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{"title":"在镍银铝三金属层状双氢氧化物中原位制备用于二氧化碳捕集材料的新型三元纳米/微复合材料 LDH/Ag2O/Bayerite","authors":"Muh. Nur Khoiru Wihadi","doi":"10.1002/ghg.2282","DOIUrl":null,"url":null,"abstract":"<p>We reported new in-situ ternary nano/microcomposite layered double hydroxides/Ag<sub>2</sub>O/bayerite in trimetallic NiAg/Al layered double hydroxides (LDH) via hydrothermal technique; and characterization by powder X-ray diffraction (XRD), Fourier transforms infrared spectroscopy (FT-IR), field emission scanning electron microscopy (FE-SEM), energy dispersive spectroscopy (EDS), and N<sub>2</sub> adsorption-desorption. The formation of bayerite and silver oxide species on the LDH nanosheet depended on the excess of Al<sup>3+</sup> and Ag<sup>+</sup> in the solution under alkaline and hydrothermal conditions. The nitrogen isotherm adsorption profile for all ternary composites exhibited uniformity with mesoporous and lamellar characteristics. The surface area of all the composites ranged from 81.17 to 150.23 m<sup>2</sup>. g<sup>−1</sup>, the Barret-Joyner-Halenda (BJH) pore volume from 0.22 to 0.27 cm<sup>3</sup>. g<sup>−1,</sup> and the average pore diameter ranged from 3.47 to 5.78 nm. All composites show a laminar plate-like structure covered with elongated pieces. The particle size of the composites ranged from 54.86 to 115.96 nm, indicating the size changed from nano to microcomposite because of the different molar ratios of Ag and Ni in the solid. The ternary composite reveals CO<sub>2</sub> capture activity with adsorption capacity ranging from 13.93 to 19.61 mmol g<sup>−1</sup>. © 2024 Society of Chemical Industry and John Wiley & Sons, Ltd.</p>","PeriodicalId":12796,"journal":{"name":"Greenhouse Gases: Science and Technology","volume":"14 3","pages":"561-571"},"PeriodicalIF":2.7000,"publicationDate":"2024-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Fabrication of new in-situ ternary nano/microcomposite LDH/Ag2O/Bayerite in trimetallic NiAg/Al layered double hydroxides for CO2 capture material\",\"authors\":\"Muh. Nur Khoiru Wihadi\",\"doi\":\"10.1002/ghg.2282\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>We reported new in-situ ternary nano/microcomposite layered double hydroxides/Ag<sub>2</sub>O/bayerite in trimetallic NiAg/Al layered double hydroxides (LDH) via hydrothermal technique; and characterization by powder X-ray diffraction (XRD), Fourier transforms infrared spectroscopy (FT-IR), field emission scanning electron microscopy (FE-SEM), energy dispersive spectroscopy (EDS), and N<sub>2</sub> adsorption-desorption. The formation of bayerite and silver oxide species on the LDH nanosheet depended on the excess of Al<sup>3+</sup> and Ag<sup>+</sup> in the solution under alkaline and hydrothermal conditions. The nitrogen isotherm adsorption profile for all ternary composites exhibited uniformity with mesoporous and lamellar characteristics. The surface area of all the composites ranged from 81.17 to 150.23 m<sup>2</sup>. g<sup>−1</sup>, the Barret-Joyner-Halenda (BJH) pore volume from 0.22 to 0.27 cm<sup>3</sup>. g<sup>−1,</sup> and the average pore diameter ranged from 3.47 to 5.78 nm. All composites show a laminar plate-like structure covered with elongated pieces. The particle size of the composites ranged from 54.86 to 115.96 nm, indicating the size changed from nano to microcomposite because of the different molar ratios of Ag and Ni in the solid. The ternary composite reveals CO<sub>2</sub> capture activity with adsorption capacity ranging from 13.93 to 19.61 mmol g<sup>−1</sup>. © 2024 Society of Chemical Industry and John Wiley & Sons, Ltd.</p>\",\"PeriodicalId\":12796,\"journal\":{\"name\":\"Greenhouse Gases: Science and Technology\",\"volume\":\"14 3\",\"pages\":\"561-571\"},\"PeriodicalIF\":2.7000,\"publicationDate\":\"2024-05-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Greenhouse Gases: Science and Technology\",\"FirstCategoryId\":\"93\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/ghg.2282\",\"RegionNum\":4,\"RegionCategory\":\"环境科学与生态学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"ENERGY & FUELS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Greenhouse Gases: Science and Technology","FirstCategoryId":"93","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/ghg.2282","RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ENERGY & FUELS","Score":null,"Total":0}
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