期刊
NANOMATERIALS AND NANOTECHNOLOGY
卷 5, 期 -, 页码 -出版社
SAGE PUBLICATIONS LTD
DOI: 10.5772/60910
关键词
Nanostructure; Silver halide; Photocatalyst; Nanoparticle
资金
- National Natural Science Foundation of China [21473153, 21207112]
- Natural Science Foundation of Hebei Province [B2013203108]
- Science Foundation for the Excellent Youth Scholars from Universities and Colleges of Hebei Province [Y2011113, YQ2013026]
- Support Program for the Top Young Talents of Hebei Province
- Open Foundation of National Key Laboratory of Biochemical Engineering (Institute of Process Engineering of Chinese Academy of Sciences)
In this study, highly efficient silver halide (AgX)-based photocatalysts were successfully fabricated using a facile and template-free direct-precipitation method. AgX nanoparticles, which included silver chloride (AgCl), silver bromide (AgBr) and silver iodide (AgI), were synthesized using different potassium halides and silver acetate as reactive sources. The size distribution of the AgX nanoparticles was determined by the reaction time and ratio of the reagents, which were monitored by UV-vis spectra. The as-prepared AgX nanoparticles exhibited different photocatalytic properties. This shows the differences for the photodegradation of methyl orange and Congo red dyes. In addition, the AgCl nanoparticle-based photocatalyst exhibited the best photocatalytic property among all three types of AgX nanoparticles that are discussed in this study. Therefore, it is a good candidate for removing organic pollutants.
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