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Ionic liquid-assisted synthesis of highly branched Ag:AgCl hybrids and their photocatalytic activity
- Authors
- Lee, Ho Seok; Kim, Jong Eun; Kim, TaeYoung; Suh, Kwang S.
- Issue Date
- 5-Feb-2015
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Silver; Silver chloride; Photocatalyst; Ionic liquid; Shape control
- Citation
- JOURNAL OF ALLOYS AND COMPOUNDS, v.621, pp.378 - 382
- Journal Title
- JOURNAL OF ALLOYS AND COMPOUNDS
- Volume
- 621
- Start Page
- 378
- End Page
- 382
- ISSN
- 0925-8388
- Abstract
- We report on a polyol synthesis of highly branched hybrid crystals of Ag and AgCl (Ag:AgCl) using ionic liquid of 1-butyl-3-imidazolium chloride as a precursor and an efficient shape controlling agent. By rationally varying the concentration of ionic liquid, we achieved the control over structure and morphology of Ag:AgCl hybrid crystals in a way to have multi-arms grown from the corners of cubic seed particles. The formation of Ag:AgCl octapods relies on the preferential overgrowth on {1 1 1} facets of cubic seeds, enabled by the selective adsorption of imidazolium-based ionic liquids on {1 1 0} facets. The obtained Ag:AgCl octapods exhibited enhanced photocatalytic activity for degradation of methylene blue under visible light irradiation, compared with those with cubic morphologies. (C) 2014 Elsevier B.V. All rights reserved.
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Related Researcher
- Kim, Tae Young
- Engineering (Department of Materials Science & Engineering)