文献类型：期刊文献

英文题名：Dual modification with plasmonic Ag and Co-Pi significantly promoted photoelectrochemical performances of CdS photoanodes

作者：Yang, Cuina[1,2];Xu, Hongfa[1]

第一作者：Yang, Cuina;杨萃娜

通讯作者：Xu, HF[1]

机构：[1]Army Engn Univ PLA, State Key Lab Disaster Prevent & Mitigat Explos &, Nanjing 210007, Peoples R China;[2]Xinxiang Univ, Sch Civil Engn & Architecture, Xinxiang 453003, Henan, Peoples R China

第一机构：Army Engn Univ PLA, State Key Lab Disaster Prevent & Mitigat Explos &, Nanjing 210007, Peoples R China

通讯机构：[1]corresponding author), Army Engn Univ PLA, State Key Lab Disaster Prevent & Mitigat Explos &, Nanjing 210007, Peoples R China.

年份：2022

卷号：33

期号：13

起止页码：10551-10560

外文期刊名：JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS

收录：;EI(收录号：20221611992252);Scopus(收录号：2-s2.0-85128424186);WOS:【SCI-EXPANDED(收录号:WOS:000784954300001)】；

基金：The authors gratefully acknowledge financial support from the Key Scientific Research Projects in Colleges and Universities of Henan Province (No.21B560014) and Open Cooperation Program of Henan Science and Technology (GrantNo.182106000029).

语种：英文

外文关键词：Catalysts - Cobalt compounds - II-VI semiconductors - Photoelectrochemical cells - Photosensitizers - Plasmonics - Precious metals - Separation - Silver nanoparticles - Surface plasmon resonance - Surface waters

摘要：The photoelectrochemical (PEC) performance of CdS are restricted by severe separation and transfer of photogenerated charge and poor surface water oxidation kinetics. Herein, a CdS/Ag/Co-Pi photoanode was been fabricated, in which Ag nanoparticles acted as photosensitizers to extend absorption capacity of CdS and facilitate the efficient separation of photogenerated charge carriers due to the SPR effect (Surface Plasmon Resonance); meanwhile, Co-Pi co-catalyst serves as a hole transfer to capture h(+) through the changeable electrovalence of cobalt ions and promote effective charge separation. Consequently, the photocurrent density of CdS/Ag/Co-Pi achieved 3.47 mA cm(2) (1.23 V vs RHE), which was about 2.4 times than that of pure CdS under AM 1.5 G illumination. In this paper, the CdS photoelectrode with both co-catalyst and noble metal was researched to solve the recombination of electron-hole pair and photocorrosion of electrodes, providing a new strategy for highly efficient water splitting application.