{"title":"使用不同的溶剂混合物裁剪纳米结构Bi2S3的形态、晶体结构和电化学性能","authors":"Adam Moyseowicz, Agata Moyseowicz","doi":"10.1007/s40243-020-00171-9","DOIUrl":null,"url":null,"abstract":"<p>Among novel nanostructured materials, transition metal chalcogenides (i.e., sulfides and selenides) emerged as promising candidates due to their unique electrochemical properties. The following study presents a facile synthesis approach of Bi<sub>2</sub>S<sub>3</sub> nanostructures using solvent mixtures of ethanol and water with different volume ratios and ammonium sulfide as a sulfur precursor. The resultant bismuth sulfides were characterized by field-emission scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and nitrogen sorption at 77?K. The adjustment of the solvent mixture revealed the possibility of customizing the crystalline structure from amorphous to fully crystalline, as well as the morphology of the Bi<sub>2</sub>S<sub>3</sub>, which subsequently influenced on their electrochemical properties. Bi<sub>2</sub>S<sub>3</sub> synthesized in a solvent mixture of ethanol-to-water volume ratio 1:2 (Bi<sub>2</sub>S<sub>3</sub>-EW12) exhibited almost fully crystalline structure and nanoplatelet-like morphology, which translated to the best electrochemical performance. Bi<sub>2</sub>S<sub>3</sub>-EW12 achieved specific capacity of 748?C?g<sup>?1</sup> in an aqueous 6?mol?L<sup>?1</sup> KOH electrolyte and maintained the highest capacity value at a large current density of 20?A?g<sup>?1</sup>.</p>","PeriodicalId":692,"journal":{"name":"Materials for Renewable and Sustainable Energy","volume":null,"pages":null},"PeriodicalIF":3.6000,"publicationDate":"2020-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/s40243-020-00171-9","citationCount":"5","resultStr":"{\"title\":\"Tailoring the morphology, crystalline structure, and electrochemical properties of nanostructured Bi2S3 using various solvent mixtures\",\"authors\":\"Adam Moyseowicz, Agata Moyseowicz\",\"doi\":\"10.1007/s40243-020-00171-9\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Among novel nanostructured materials, transition metal chalcogenides (i.e., sulfides and selenides) emerged as promising candidates due to their unique electrochemical properties. The following study presents a facile synthesis approach of Bi<sub>2</sub>S<sub>3</sub> nanostructures using solvent mixtures of ethanol and water with different volume ratios and ammonium sulfide as a sulfur precursor. The resultant bismuth sulfides were characterized by field-emission scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and nitrogen sorption at 77?K. The adjustment of the solvent mixture revealed the possibility of customizing the crystalline structure from amorphous to fully crystalline, as well as the morphology of the Bi<sub>2</sub>S<sub>3</sub>, which subsequently influenced on their electrochemical properties. Bi<sub>2</sub>S<sub>3</sub> synthesized in a solvent mixture of ethanol-to-water volume ratio 1:2 (Bi<sub>2</sub>S<sub>3</sub>-EW12) exhibited almost fully crystalline structure and nanoplatelet-like morphology, which translated to the best electrochemical performance. Bi<sub>2</sub>S<sub>3</sub>-EW12 achieved specific capacity of 748?C?g<sup>?1</sup> in an aqueous 6?mol?L<sup>?1</sup> KOH electrolyte and maintained the highest capacity value at a large current density of 20?A?g<sup>?1</sup>.</p>\",\"PeriodicalId\":692,\"journal\":{\"name\":\"Materials for Renewable and Sustainable Energy\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":3.6000,\"publicationDate\":\"2020-05-21\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1007/s40243-020-00171-9\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Materials for Renewable and Sustainable Energy\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s40243-020-00171-9\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials for Renewable and Sustainable Energy","FirstCategoryId":"1085","ListUrlMain":"https://link.springer.com/article/10.1007/s40243-020-00171-9","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 5
摘要
在新型纳米结构材料中,过渡金属硫族化合物(即硫化物和硒化物)由于其独特的电化学性质而成为有前途的候选材料。下面的研究提出了一种简单的合成Bi2S3纳米结构的方法,使用不同体积比的乙醇和水的溶剂混合物,硫化铵作为硫前驱体。用场发射扫描电子显微镜、x射线衍射、x射线光电子能谱和77 K的氮吸附对所得硫化物进行了表征。通过调整溶剂混合物,可以使Bi2S3的晶体结构从无定形变为完全结晶,并改变其形貌,从而影响其电化学性能。在乙醇与水体积比为1:2的溶剂混合物中合成的Bi2S3 (Bi2S3- ew12)具有几乎完全的晶体结构和纳米片状形貌,这意味着它具有最佳的电化学性能。Bi2S3-EW12的比容量达到748℃?1在6 mol L的水溶液中并在20 μ a μ g μ 1的大电流密度下保持最高容量值。
Tailoring the morphology, crystalline structure, and electrochemical properties of nanostructured Bi2S3 using various solvent mixtures
Among novel nanostructured materials, transition metal chalcogenides (i.e., sulfides and selenides) emerged as promising candidates due to their unique electrochemical properties. The following study presents a facile synthesis approach of Bi2S3 nanostructures using solvent mixtures of ethanol and water with different volume ratios and ammonium sulfide as a sulfur precursor. The resultant bismuth sulfides were characterized by field-emission scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and nitrogen sorption at 77?K. The adjustment of the solvent mixture revealed the possibility of customizing the crystalline structure from amorphous to fully crystalline, as well as the morphology of the Bi2S3, which subsequently influenced on their electrochemical properties. Bi2S3 synthesized in a solvent mixture of ethanol-to-water volume ratio 1:2 (Bi2S3-EW12) exhibited almost fully crystalline structure and nanoplatelet-like morphology, which translated to the best electrochemical performance. Bi2S3-EW12 achieved specific capacity of 748?C?g?1 in an aqueous 6?mol?L?1 KOH electrolyte and maintained the highest capacity value at a large current density of 20?A?g?1.
期刊介绍:
Energy is the single most valuable resource for human activity and the basis for all human progress. Materials play a key role in enabling technologies that can offer promising solutions to achieve renewable and sustainable energy pathways for the future.
Materials for Renewable and Sustainable Energy has been established to be the world''s foremost interdisciplinary forum for publication of research on all aspects of the study of materials for the deployment of renewable and sustainable energy technologies. The journal covers experimental and theoretical aspects of materials and prototype devices for sustainable energy conversion, storage, and saving, together with materials needed for renewable fuel production. It publishes reviews, original research articles, rapid communications, and perspectives. All manuscripts are peer-reviewed for scientific quality.
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