Photo-directed growth of Au nanowires on ZnO arrays for enhancing photoelectrochemical performances | |
Department | ERC国家工程研究中心 |
Wang T(王腾)1; Jin BJ(靳柄军)1; Jiao ZB(焦正波)1; Lu GX(吕功煊)1; Ye JH(叶金花)2; Bi YP(毕迎普)1; Bi YP(毕迎普) | |
The second department | osso国家重点实验室 |
2014 | |
Source Publication | Journal of Materials Chemistry A |
ISSN | 2050-7488 |
Volume | 2Issue:37Pages:15553-15559 |
Abstract | Herein, we demonstrate that ZnO nanowire arrays could be rationally connected with each other by thin Au nanowires to construct a novel cross-linked hetero-structure by a simple photo-directed growth strategy. Moreover, a possible formation mechanism of this Au/ZnO hierarchical nanostructure has been proposed. In the case of light irradiation, the rapid electron enrichment on the top (002) facets of ZnO nanowires will result in a high concentration of holes on the side facets, which could generate a positive electric field. As a result of the electronegativity, [Au(OH)xCl4_x]_ (where x =0–4) anions could be pulled in by this electric field and reduced on the side facets of ZnO nanowires, and the Au nanowires could be gradually formed through an exact opposite point growth route. Furthermore, the photoelectrochemical performance studies clearly reveal that these novel cross-linked hetero-arrays exhibit much higher visible light photocurrent density than both pure ZnO nanowire arrays and traditional Au nanoparticle/ZnO nanowire heterostructures, which may be primarily ascribed to the efficient electron transfer from Au nanostructures to ZnO nanowires. |
Subject Area | 物理化学与绿色催化 |
DOI | 10.1039/c4ta02960g |
Funding Organization | the “Hundred Talents Program” of the Chinese Academy of Science;the National Natural Science Foundation of China (21273255;21303232) |
Indexed By | SCI |
If | 7.443 |
Language | 英语 |
Funding Project | 能源与环境纳米催化材料组;环境催化与氢能源研究组;环境催化与清洁能源研究组 |
compositor | 第一作者单位 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.licp.cn/handle/362003/6911 |
Collection | 羰基合成与选择氧化国家重点实验室(OSSO) 精细石油化工中间体国家工程研究中心(ERC) |
Corresponding Author | Bi YP(毕迎普) |
Affiliation | 1.Chinese Acad Sci, Lanzhou Inst Chem Phys, Natl Engn Res Ctr Fine Petrochem Intermediates, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Peoples R China 2.Natl Inst Mat Sci, Res Unit Environm Remediat Mat, Internat Ctr Mat Nanoarchitecton MANA, Tsukuba, Ibaraki 3050047, Japan |
Recommended Citation GB/T 7714 | Wang T,Jin BJ,Jiao ZB,et al. Photo-directed growth of Au nanowires on ZnO arrays for enhancing photoelectrochemical performances[J]. Journal of Materials Chemistry A,2014,2(37):15553-15559. |
APA | Wang T.,Jin BJ.,Jiao ZB.,Lu GX.,Ye JH.,...&毕迎普.(2014).Photo-directed growth of Au nanowires on ZnO arrays for enhancing photoelectrochemical performances.Journal of Materials Chemistry A,2(37),15553-15559. |
MLA | Wang T,et al."Photo-directed growth of Au nanowires on ZnO arrays for enhancing photoelectrochemical performances".Journal of Materials Chemistry A 2.37(2014):15553-15559. |
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