Pub Date : 2021-06-30DOI: 10.31613/ceramist.2021.24.2.05
Jong-Chan Lim, Hyun-Sik Kim
s Semiconducting Metal Oxide (SMO) gas sensors have attracted considerable attention to analyze gases in exhaled breath and monitor air quality. This paper reports a recent research trend for enhancing sensing properties of WO3 (tungsten oxide), a representative n-type gas sensing material. Firstly, the operating principle of WO3 based gas sensors is explained. Secondly, various nanostructures of WO3 from zerodimensional to three-dimensional are reviewed. Thirdly, doping and decoration as effective strategies to enhance gas sensing properties are introduced. We summarize recent progress and provide an insight for enhancing gas sensing properties of WO3 based gas sensors.
{"title":"Recent Research Trend in WO3-based Gas Sensors for Enhancing Sensing Properties","authors":"Jong-Chan Lim, Hyun-Sik Kim","doi":"10.31613/ceramist.2021.24.2.05","DOIUrl":"https://doi.org/10.31613/ceramist.2021.24.2.05","url":null,"abstract":"s Semiconducting Metal Oxide (SMO) gas sensors have attracted considerable attention to analyze gases in exhaled breath and monitor air quality. This paper reports a recent research trend for enhancing sensing properties of WO3 (tungsten oxide), a representative n-type gas sensing material. Firstly, the operating principle of WO3 based gas sensors is explained. Secondly, various nanostructures of WO3 from zerodimensional to three-dimensional are reviewed. Thirdly, doping and decoration as effective strategies to enhance gas sensing properties are introduced. We summarize recent progress and provide an insight for enhancing gas sensing properties of WO3 based gas sensors.","PeriodicalId":9738,"journal":{"name":"Ceramist","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80831420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-30DOI: 10.31613/ceramist.2021.24.2.04
J. Won, Shin Joon Kang, Hyung Mo Jeong
s Lithium-ion batteries are currently widely used secondary batteries, but as the use environment becomes harsher and larger, there is a problem in stability, and it is believed that the possibility of developing energy density is limited. Therefore, there is a need for an all-solid-state battery that can solve this problem by replacing the conventional liquid electrolyte to the solid-state electrolyte. In particular, the polymer-based solid electrolyte has been treated as the promising candidate for all-solid-state batteries due to the excellent mechanical properties and inexpensive fabrication process. However, overcoming low ion conductivity is an inevitable issue for enabling the practical application of polymer-based electrolyte. To compensate the limitation of ion conduction in polymer layers, the strategies of introducing the additives in polymers have been suggested through the hybridization and functionalization of polymers for enhancing the ion transportation. In this review, the recent research progress of various type of additives for polymer electrolyte is presented and the active/passive/polymer type additives are studied to obtain the design principle dealing with the improvement of ionic conductivity and properties of polymer solid electrolytes.
{"title":"A study on the use of various additives to polymer-based solid electrolytes for all-solid-state batteries","authors":"J. Won, Shin Joon Kang, Hyung Mo Jeong","doi":"10.31613/ceramist.2021.24.2.04","DOIUrl":"https://doi.org/10.31613/ceramist.2021.24.2.04","url":null,"abstract":"s Lithium-ion batteries are currently widely used secondary batteries, but as the use environment becomes harsher and larger, there is a problem in stability, and it is believed that the possibility of developing energy density is limited. Therefore, there is a need for an all-solid-state battery that can solve this problem by replacing the conventional liquid electrolyte to the solid-state electrolyte. In particular, the polymer-based solid electrolyte has been treated as the promising candidate for all-solid-state batteries due to the excellent mechanical properties and inexpensive fabrication process. However, overcoming low ion conductivity is an inevitable issue for enabling the practical application of polymer-based electrolyte. To compensate the limitation of ion conduction in polymer layers, the strategies of introducing the additives in polymers have been suggested through the hybridization and functionalization of polymers for enhancing the ion transportation. In this review, the recent research progress of various type of additives for polymer electrolyte is presented and the active/passive/polymer type additives are studied to obtain the design principle dealing with the improvement of ionic conductivity and properties of polymer solid electrolytes.","PeriodicalId":9738,"journal":{"name":"Ceramist","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81692331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-31DOI: 10.31613/ceramist.2020.23.4.04
D. Heo, S. Y. Kim
Soo Young Kim E-mail: sooyoungkim@korea.ac.kr Abstracts Metal-organic frameworks (MOFs) and MOF-derived materials have been used for several applications, such as hydrogen storage and separation, catalysis, and drug delivery, owing to have a significantly large surface area and open pore structure. In recent years, MOFs have also been applied to thin-film solar cells, and attractive results have been obtained. In perovskite solar cells (PSCs), the MOF materials are used in the form of an additive for electron and hole transport layers, interlayer, and hybrid perovskite/MOF. MOFs have the potential to be used as a material for obtaining PSCs with high efficiency and stability. In this study, we briefly explain the synthesis of MOFs and the performance of organic and dye-sensitized solar cells with MOFs. Furthermore, we provide a detailed overview on the performance of the most recently reported PSCs using MOFs.
{"title":"Review of Perovskite Solar Cells Using Metal-Organic Framework Materials","authors":"D. Heo, S. Y. Kim","doi":"10.31613/ceramist.2020.23.4.04","DOIUrl":"https://doi.org/10.31613/ceramist.2020.23.4.04","url":null,"abstract":"Soo Young Kim E-mail: sooyoungkim@korea.ac.kr Abstracts Metal-organic frameworks (MOFs) and MOF-derived materials have been used for several applications, such as hydrogen storage and separation, catalysis, and drug delivery, owing to have a significantly large surface area and open pore structure. In recent years, MOFs have also been applied to thin-film solar cells, and attractive results have been obtained. In perovskite solar cells (PSCs), the MOF materials are used in the form of an additive for electron and hole transport layers, interlayer, and hybrid perovskite/MOF. MOFs have the potential to be used as a material for obtaining PSCs with high efficiency and stability. In this study, we briefly explain the synthesis of MOFs and the performance of organic and dye-sensitized solar cells with MOFs. Furthermore, we provide a detailed overview on the performance of the most recently reported PSCs using MOFs.","PeriodicalId":9738,"journal":{"name":"Ceramist","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75601711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-31DOI: 10.31613/ceramist.2020.23.4.06
Dongwook Jung, Eunjin Jang, Sangwoo Ryu
s In the crystalline silicon-based photovoltaic system, Si solar cells are connected in series and high voltage larger than 1000 V is applied between module frames and cells during the operation. This can generate a leakage current through the modules and the loss of efficiency and output power called potential-induced degradation (PID) occurs. When the c-Si solar cell module is exposed to a high-temperature, high-humidity environment, water molecules penetrates through the back sheet of the module and EVA is corroded, which accelerates PID. Various methods to prevent the permeation of water molecules have been widely investigated. Here we propose organic/inorganic hybrid coatings that can provide high mechanical flexibility as well as low water vapor transmission rate (WVTR). Silamer, a Silane-based inorganic / organic hybrid polymer, flattens the surface of the commercial back sheet and Al2O3 grown on top of it suppresses the moisture permeation. Additional coating of the organic layer on Al2O3 shows the lowest WVTR of 0.36.
{"title":"Organic/Inorganic Hybrid Moisture Permeation Barrier Films for Back-sheet of Silicon Photovoltaic Modules","authors":"Dongwook Jung, Eunjin Jang, Sangwoo Ryu","doi":"10.31613/ceramist.2020.23.4.06","DOIUrl":"https://doi.org/10.31613/ceramist.2020.23.4.06","url":null,"abstract":"s In the crystalline silicon-based photovoltaic system, Si solar cells are connected in series and high voltage larger than 1000 V is applied between module frames and cells during the operation. This can generate a leakage current through the modules and the loss of efficiency and output power called potential-induced degradation (PID) occurs. When the c-Si solar cell module is exposed to a high-temperature, high-humidity environment, water molecules penetrates through the back sheet of the module and EVA is corroded, which accelerates PID. Various methods to prevent the permeation of water molecules have been widely investigated. Here we propose organic/inorganic hybrid coatings that can provide high mechanical flexibility as well as low water vapor transmission rate (WVTR). Silamer, a Silane-based inorganic / organic hybrid polymer, flattens the surface of the commercial back sheet and Al2O3 grown on top of it suppresses the moisture permeation. Additional coating of the organic layer on Al2O3 shows the lowest WVTR of 0.36.","PeriodicalId":9738,"journal":{"name":"Ceramist","volume":"243 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83488017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-31DOI: 10.31613/ceramist.2020.23.4.03
G. Thamizharasan, Eithiraj R.D, Enhbayar Enhtuwshin, So Jung Kim, N. K. Sahu, A. Nayak, Hyuksu Han
s Electronic band structure of bismuth ferrite (BFO) is studied by computational and experimental methods. Bandgap of BFO is precisely determined using optical absorption spectra as well as density functional calculation (DFT). Both methods give a comparable result that BFO can have both of direct or indirect (very close to direct) bandgap of about 2.0~2.2 eV. Furthermore, electronic transition in BFO occurs via the unoccupied O 2p to the occupied Fe 3d states or the d-d transition in Fe 3d states. Intriguing electronic structure of BFO, a narrow bandgap and a multiple electronic transition route, render it as a promising candidate for a visible light photocatalyst.
{"title":"Computational and Experimental Study on Electronic Band Structure of Bismuth Ferrite: A Promising Visible Light Photocatalyst","authors":"G. Thamizharasan, Eithiraj R.D, Enhbayar Enhtuwshin, So Jung Kim, N. K. Sahu, A. Nayak, Hyuksu Han","doi":"10.31613/ceramist.2020.23.4.03","DOIUrl":"https://doi.org/10.31613/ceramist.2020.23.4.03","url":null,"abstract":"s Electronic band structure of bismuth ferrite (BFO) is studied by computational and experimental methods. Bandgap of BFO is precisely determined using optical absorption spectra as well as density functional calculation (DFT). Both methods give a comparable result that BFO can have both of direct or indirect (very close to direct) bandgap of about 2.0~2.2 eV. Furthermore, electronic transition in BFO occurs via the unoccupied O 2p to the occupied Fe 3d states or the d-d transition in Fe 3d states. Intriguing electronic structure of BFO, a narrow bandgap and a multiple electronic transition route, render it as a promising candidate for a visible light photocatalyst.","PeriodicalId":9738,"journal":{"name":"Ceramist","volume":"41 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82353453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-31DOI: 10.31613/ceramist.2020.23.4.07
Sungho Lee, Qin Lusha, O. Li
s Recently, the need for next-generation energy sources to replace fossil energy is increasing rapidly due to various problems such as depletion of oil and generation of carbon dioxide. One alternative to this is coffee grounds, one of the substances being studied. Coffee is consumed a lot around the world, but the disposal of the grounds is a big problem. However, this coffee grounds can be used as a raw material for biodiesel because it is made of various organic compounds such as cellulose and hemicellulose. The most common process to make biodiesel is the process using concentrated sulfuric acid as homogeneous catalysts to break down coffee into monosaccharides. However, the corrosive nature and disposal problem create environmental concerns in this process. Recently, heterogeneous silica acid catalyst, attracts many attention due to its environmental friendly nature, low cost and recyclability. In this experiment, instead of the sol-gel method for preparing a conventional silica acid catalyst, we prepared silica acid catalyst using a plasma method that can improve the catalytic performance. In the case of using the plasma method, the specific surface area increased and the catalyst performance increased, which led to an increase in xylose conversion and selectivity of 6% and 4%, respectively.
{"title":"Plasma-Engineered Silica Acid Catalysts for Coffee Waste Conversion to Xylose","authors":"Sungho Lee, Qin Lusha, O. Li","doi":"10.31613/ceramist.2020.23.4.07","DOIUrl":"https://doi.org/10.31613/ceramist.2020.23.4.07","url":null,"abstract":"s Recently, the need for next-generation energy sources to replace fossil energy is increasing rapidly due to various problems such as depletion of oil and generation of carbon dioxide. One alternative to this is coffee grounds, one of the substances being studied. Coffee is consumed a lot around the world, but the disposal of the grounds is a big problem. However, this coffee grounds can be used as a raw material for biodiesel because it is made of various organic compounds such as cellulose and hemicellulose. The most common process to make biodiesel is the process using concentrated sulfuric acid as homogeneous catalysts to break down coffee into monosaccharides. However, the corrosive nature and disposal problem create environmental concerns in this process. Recently, heterogeneous silica acid catalyst, attracts many attention due to its environmental friendly nature, low cost and recyclability. In this experiment, instead of the sol-gel method for preparing a conventional silica acid catalyst, we prepared silica acid catalyst using a plasma method that can improve the catalytic performance. In the case of using the plasma method, the specific surface area increased and the catalyst performance increased, which led to an increase in xylose conversion and selectivity of 6% and 4%, respectively.","PeriodicalId":9738,"journal":{"name":"Ceramist","volume":"43 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80865714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-06-30DOI: 10.31613/ceramist.2020.23.2.05
Rui Huang, H. J. Kim, J. Han
Perovskite-type oxides with the nominal composition of ABO3 can exsolve the B-site transition metal upon the controlled reduction. In this exsolution process, the transition metal emerges from the oxide lattice and migrates to the surface at which it forms catalytically active nanoparticles. The exsolved nanoparticles can recover back to the bulk lattice under oxidation treatment. This unique regeneration character by the redox treatment provides uniformly dispersed noble metal nanoparticles. Therefore, the conventional problem of traditional impregnated metal/support, i.e., sintering during reaction, can be effectively avoided by using the exsolution phenomenon. In this regard, the catalysts using the exsolution strategy have been well studied for a wide range of applications in energy conversion and storage devices such as solid oxide fuel cells and electrolysis cells (SOFCs and SOECs) because of its high thermal and chemical stability. On the other hand, although this exsolution strategy can also be applied to gas phase reaction catalysts, it has seldomly been reviewed. Here, we thus review recent applications of the exsolution catalysts to the gas phase reactions from the aspects of experimental measurements, where various functions of the exsolved particles were utilized. We also review non-perovskite type metal oxides that might have exolution phenomenon to provide more possibilities to develop higher efficient catalysts.
{"title":"A review of smart exsolution catalysts for the application of gas phase reactions","authors":"Rui Huang, H. J. Kim, J. Han","doi":"10.31613/ceramist.2020.23.2.05","DOIUrl":"https://doi.org/10.31613/ceramist.2020.23.2.05","url":null,"abstract":"Perovskite-type oxides with the nominal composition of ABO3 can exsolve the B-site transition metal upon the controlled reduction. In this exsolution process, the transition metal emerges from the oxide lattice and migrates to the surface at which it forms catalytically active nanoparticles. The exsolved nanoparticles can recover back to the bulk lattice under oxidation treatment. This unique regeneration character by the redox treatment provides uniformly dispersed noble metal nanoparticles. Therefore, the conventional problem of traditional impregnated metal/support, i.e., sintering during reaction, can be effectively avoided by using the exsolution phenomenon. In this regard, the catalysts using the exsolution strategy have been well studied for a wide range of applications in energy conversion and storage devices such as solid oxide fuel cells and electrolysis cells (SOFCs and SOECs) because of its high thermal and chemical stability. On the other hand, although this exsolution strategy can also be applied to gas phase reaction catalysts, it has seldomly been reviewed. Here, we thus review recent applications of the exsolution catalysts to the gas phase reactions from the aspects of experimental measurements, where various functions of the exsolved particles were utilized. We also review non-perovskite type metal oxides that might have exolution phenomenon to provide more possibilities to develop higher efficient catalysts.","PeriodicalId":9738,"journal":{"name":"Ceramist","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84545075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-12-31DOI: 10.31613/ceramist.2019.22.4.02
S. Noh, N. Kang, Heuikeun Yun, Hyeongjun Kim
s A quartz glass crucible is the essential material for manufacturing silicon ingots such as semiconductors and solar cells. Quartz glass crucibles for semiconductors and solar cells are made similar, but differ in surface purity, structure and durability. Recently, ultra high purity synthetic glass crucibles for semiconductors have become more important due to foreign problems. In Korea, it has succeeded in producing 28-inch quartz glass crucibles through the past 10 years. However, 32-inch synthetic quartz glass for the production of silicon ingots for semiconductors is not up to the level of advanced technology, and the technology gap is expected to be 2 to 3 years. In order to overcome these technological gaps and localize synthetic quartz glass ware, close cooperation between production companies and demand companies and localization of synthetic quartz glass powder must also be made. In addition, if government support can be added, faster results can be expected.
{"title":"Status of Quartz Glass Crucible","authors":"S. Noh, N. Kang, Heuikeun Yun, Hyeongjun Kim","doi":"10.31613/ceramist.2019.22.4.02","DOIUrl":"https://doi.org/10.31613/ceramist.2019.22.4.02","url":null,"abstract":"s A quartz glass crucible is the essential material for manufacturing silicon ingots such as semiconductors and solar cells. Quartz glass crucibles for semiconductors and solar cells are made similar, but differ in surface purity, structure and durability. Recently, ultra high purity synthetic glass crucibles for semiconductors have become more important due to foreign problems. In Korea, it has succeeded in producing 28-inch quartz glass crucibles through the past 10 years. However, 32-inch synthetic quartz glass for the production of silicon ingots for semiconductors is not up to the level of advanced technology, and the technology gap is expected to be 2 to 3 years. In order to overcome these technological gaps and localize synthetic quartz glass ware, close cooperation between production companies and demand companies and localization of synthetic quartz glass powder must also be made. In addition, if government support can be added, faster results can be expected.","PeriodicalId":9738,"journal":{"name":"Ceramist","volume":"21 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82457751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-30DOI: 10.31613/ceramist.2019.22.3.07
Hyoung-Jun Kim, Do-Gak Jeung, Jae-Min Oh
We prepared hybrids between layered double hydroxide (LDH) and natural plant extract such as Peaonia suffruticosa Andrews (PS) and Peaonia Japonica (PJ) which was confirmed anti-bacterial activity through paper disc diffusion assay. According to X-ray diffractometer, scanning electron microscope, zeta-potential measurement and quantification of extract loading amount in hybrids, we confirmed that similar amount of PS and PJ loaded on interparticle pore of LDH with partial adsorption on surface of LDH through reconstruction process. We also evaluated the bacterial colony forming inhibition of PS extract, PJ extract, PS-LDH and PJ-LDH hybrids against Escherichia coli as gram negative bacterium and Bacillus subtilis as gram positive bacterium, suggesting that both hybrids have enhanced anti-bacterial activity compared with extract itself. Keyword : Layered double hydroxide, reconstruction, hybrid, natural plant extract, anti-bacterial activity
{"title":"Incorporation of Antibacterial Natural Extract into Layered Double Hydroxide through Memory Effect for Antibacterial Materials","authors":"Hyoung-Jun Kim, Do-Gak Jeung, Jae-Min Oh","doi":"10.31613/ceramist.2019.22.3.07","DOIUrl":"https://doi.org/10.31613/ceramist.2019.22.3.07","url":null,"abstract":"We prepared hybrids between layered double hydroxide (LDH) and natural plant extract such as Peaonia suffruticosa Andrews (PS) and Peaonia Japonica (PJ) which was confirmed anti-bacterial activity through paper disc diffusion assay. According to X-ray diffractometer, scanning electron microscope, zeta-potential measurement and quantification of extract loading amount in hybrids, we confirmed that similar amount of PS and PJ loaded on interparticle pore of LDH with partial adsorption on surface of LDH through reconstruction process. We also evaluated the bacterial colony forming inhibition of PS extract, PJ extract, PS-LDH and PJ-LDH hybrids against Escherichia coli as gram negative bacterium and Bacillus subtilis as gram positive bacterium, suggesting that both hybrids have enhanced anti-bacterial activity compared with extract itself. Keyword : Layered double hydroxide, reconstruction, hybrid, natural plant extract, anti-bacterial activity","PeriodicalId":9738,"journal":{"name":"Ceramist","volume":"52 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77253192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-30DOI: 10.31613/ceramist.2019.22.3.06
Eue-Soon Jang
Surface enhanced Raman scattering (SERS) was first discovered in 1974 by an unexpected Raman signal increase from Pyridine adsorbed on rough Ag electrode surfaces by the M. Fleishmann group. M. Moskovits group suggested that this phenomenon could be caused by surface plasmon resonance (SPR), which is a collective oscillation of free electrons at the surface of metal nanostructures by an external light source. After about 40 years, the SERS study has attracted great attention as a biomolecule analysis technology, and more than 2500 new papers and 500 review papers related to SERS topic have been published each year in recently. The advantages of biomaterials analysis using SERS are as follows; 1 Molecular level analysis is possible based on unique fingerprint information of biomolecule, 2 There is no photo-bleaching effect of the Raman reporters, allowing long-term monitoring of biomaterials compared to fluorescence microscopy, 3 SERS peak bandwidth is approximately 10 to 100 times narrower than fluorescence emission from organic phosphor or quantum dot, resulting in higher analysis accuracy, 22) 4 Single excitation wavelength allows analysis of various biomaterials, 5 By utilizing near-infrared (NIR) SERSactivated nanostructures and NIR excitation lasers, auto-fluorescence noise in the visible wavelength range can be avoided from in vivo experiment and light damage in living cells can be minimized compared to visible lasers, 6 The weak Raman signal of the water molecule makes it easy to analyze biomaterials in aqueous solutions. For this reason, SERS is attracting attention as a next-generation non-invasive medical diagnostic device as well as substance analysis. In this review, the principles of SERS and various biomaterial analysis principles using SERS analysis will be introduced through recent research papers.
{"title":"A Review of SERS for Biomaterials Analysis Using Metal Nanoparticles","authors":"Eue-Soon Jang","doi":"10.31613/ceramist.2019.22.3.06","DOIUrl":"https://doi.org/10.31613/ceramist.2019.22.3.06","url":null,"abstract":"Surface enhanced Raman scattering (SERS) was first discovered in 1974 by an unexpected Raman signal increase from Pyridine adsorbed on rough Ag electrode surfaces by the M. Fleishmann group. M. Moskovits group suggested that this phenomenon could be caused by surface plasmon resonance (SPR), which is a collective oscillation of free electrons at the surface of metal nanostructures by an external light source. After about 40 years, the SERS study has attracted great attention as a biomolecule analysis technology, and more than 2500 new papers and 500 review papers related to SERS topic have been published each year in recently. The advantages of biomaterials analysis using SERS are as follows; 1 Molecular level analysis is possible based on unique fingerprint information of biomolecule, 2 There is no photo-bleaching effect of the Raman reporters, allowing long-term monitoring of biomaterials compared to fluorescence microscopy, 3 SERS peak bandwidth is approximately 10 to 100 times narrower than fluorescence emission from organic phosphor or quantum dot, resulting in higher analysis accuracy, 22) 4 Single excitation wavelength allows analysis of various biomaterials, 5 By utilizing near-infrared (NIR) SERSactivated nanostructures and NIR excitation lasers, auto-fluorescence noise in the visible wavelength range can be avoided from in vivo experiment and light damage in living cells can be minimized compared to visible lasers, 6 The weak Raman signal of the water molecule makes it easy to analyze biomaterials in aqueous solutions. For this reason, SERS is attracting attention as a next-generation non-invasive medical diagnostic device as well as substance analysis. In this review, the principles of SERS and various biomaterial analysis principles using SERS analysis will be introduced through recent research papers.","PeriodicalId":9738,"journal":{"name":"Ceramist","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85316998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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