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AgI Nanoparticles Evenly Dispersed on 2D Porous Bi5O7I Sheets: Simple Synthesis and Excellent Photocatalytic Performance
Ma, Jinying; Shi, Lei; Yao, Lizhu; Wang, Zhimeng; Lu, Caiyun; Qi, Wei; Su, Dangsheng; Shi, L (reprint author), Liaoning Shihua Univ, Coll Chem Chem Engn & Environm Engn, Fushun 113001, Peoples R China.; Qi, W (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
2017-09-21
发表期刊WILEY-V C H VERLAG GMBH
ISSN2365-6549
卷号2期号:27页码:8535-8540
摘要A series of Bi5O7I/AgI composites were successfully prepared by the co-precipitation method. Their feature and chemical structure were well characterized. The photocatalytic activity was evaluated by the degradation of Rhodamine B (RhB) under visible light. Experimental results indicated that the sizes of AgI exhibited obviously decrease through dispersing on the surface of Bi5O7I, and the as-prepared Bi5O7I/AgI composites revealed better photocatalytic activities for the degradation of RhB than separate Bi5O7I and AgI. When the mass rate of Bi5O7I in Bi5O7I/AgI composites was 40%, the as-prepared Bi5O7I/AgI (40 wt%) composites exhibited the optimum photocatalytic activity for degrading RhB, which was approximately 13 and 2.7 times higher than pure Bi5O7I and AgI, respectively. The enhanced photocatalytic performance could be attributed to complementary potentials of conduction band and valence band of Bi5O7I and AgI, which promoted the separation of the photogenerated electrons and holes. Finally, the possible mechanism for the photodegradation reaction over Bi5O7I/AgI composites was proposed.; A series of Bi5O7I/AgI composites were successfully prepared by the co-precipitation method. Their feature and chemical structure were well characterized. The photocatalytic activity was evaluated by the degradation of Rhodamine B (RhB) under visible light. Experimental results indicated that the sizes of AgI exhibited obviously decrease through dispersing on the surface of Bi5O7I, and the as-prepared Bi5O7I/AgI composites revealed better photocatalytic activities for the degradation of RhB than separate Bi5O7I and AgI. When the mass rate of Bi5O7I in Bi5O7I/AgI composites was 40%, the as-prepared Bi5O7I/AgI (40 wt%) composites exhibited the optimum photocatalytic activity for degrading RhB, which was approximately 13 and 2.7 times higher than pure Bi5O7I and AgI, respectively. The enhanced photocatalytic performance could be attributed to complementary potentials of conduction band and valence band of Bi5O7I and AgI, which promoted the separation of the photogenerated electrons and holes. Finally, the possible mechanism for the photodegradation reaction over Bi5O7I/AgI composites was proposed.
部门归属[ma, jinying ; shi, lei ; yao, lizhu ; wang, zhimeng ; lu, caiyun] liaoning shihua univ, coll chem chem engn & environm engn, fushun 113001, peoples r china ; [qi, wei ; su, dangsheng] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, liaoning, peoples r china
关键词Bi5o7i Agi Photocatalyst Visible Light Dyes
学科领域Chemistry, Multidisciplinary
资助者talent scientific research fund of LSHU [2016XJJ-080]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79088
专题中国科学院金属研究所
通讯作者Shi, L (reprint author), Liaoning Shihua Univ, Coll Chem Chem Engn & Environm Engn, Fushun 113001, Peoples R China.; Qi, W (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Ma, Jinying,Shi, Lei,Yao, Lizhu,et al. AgI Nanoparticles Evenly Dispersed on 2D Porous Bi5O7I Sheets: Simple Synthesis and Excellent Photocatalytic Performance[J]. WILEY-V C H VERLAG GMBH,2017,2(27):8535-8540.
APA Ma, Jinying.,Shi, Lei.,Yao, Lizhu.,Wang, Zhimeng.,Lu, Caiyun.,...&Qi, W .(2017).AgI Nanoparticles Evenly Dispersed on 2D Porous Bi5O7I Sheets: Simple Synthesis and Excellent Photocatalytic Performance.WILEY-V C H VERLAG GMBH,2(27),8535-8540.
MLA Ma, Jinying,et al."AgI Nanoparticles Evenly Dispersed on 2D Porous Bi5O7I Sheets: Simple Synthesis and Excellent Photocatalytic Performance".WILEY-V C H VERLAG GMBH 2.27(2017):8535-8540.
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