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Role of Polyaniline on the Photocatalytic Degradation and Stability Performance of the Polyaniline/Silver/Silver Phosphate Composite under Visible Light | |
Bu, Yuyu; Chen, Zhuoyuan; Chen, ZY (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China. | |
2014-10-22 | |
发表期刊 | ACS APPLIED MATERIALS & INTERFACES |
卷号 | 6期号:20页码:17589-17598 |
文章类型 | Article |
摘要 | Polyaniline/silver/silver phosphate (PANI/Ag/Ag3PO4) composite was prepared by in situ depositing silver phosphate (Ag3PO4) nanoparticles on the surface of polyaniline (PANI). The best photocatalytic Rhodamine B degradation performance is obtained by the 20 wt % PANI/Ag/Ag3PO4 composite, which is approximately 4 times higher than that of pure Ag3PO4. Meanwhile, the photocatalytic stability of Ag3PO4 is significantly improved by introducing PANI into the PANI/Ag/Ag3PO4 composite. The dramatic promotion of the photocatalytic degradation performance and the photocatalytic stability can be attributed to the formation of a heterojunction electric field between PANI and Ag3PO4, which is approximately 90 mV and points from Ag3PO4 to PANI. The existence of this electric field can dramatically enhance the separation efficiency of the photogenerated electron-hole pairs, accelerate the transfer of photogenerated holes from Ag3PO4 to PANI and therefore inhibit the self-oxidation of Ag3PO4. |
关键词 | Silver Phosphate Polyaniline Heterojunction Photocatalytic Stability Visible Light |
学科领域 | Science & Technology - Other Topics ; Materials Science |
DOI | 10.1021/am503578s |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000343684200032 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.qdio.ac.cn/handle/337002/23886 |
专题 | 海洋环境腐蚀与生物污损重点实验室 |
通讯作者 | Chen, ZY (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China. |
作者单位 | Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China |
第一作者单位 | 中国科学院海洋研究所 |
推荐引用方式 GB/T 7714 | Bu, Yuyu,Chen, Zhuoyuan,Chen, ZY . Role of Polyaniline on the Photocatalytic Degradation and Stability Performance of the Polyaniline/Silver/Silver Phosphate Composite under Visible Light[J]. ACS APPLIED MATERIALS & INTERFACES,2014,6(20):17589-17598. |
APA | Bu, Yuyu,Chen, Zhuoyuan,&Chen, ZY .(2014).Role of Polyaniline on the Photocatalytic Degradation and Stability Performance of the Polyaniline/Silver/Silver Phosphate Composite under Visible Light.ACS APPLIED MATERIALS & INTERFACES,6(20),17589-17598. |
MLA | Bu, Yuyu,et al."Role of Polyaniline on the Photocatalytic Degradation and Stability Performance of the Polyaniline/Silver/Silver Phosphate Composite under Visible Light".ACS APPLIED MATERIALS & INTERFACES 6.20(2014):17589-17598. |
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