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Multicomponent heterojunction of AuAg2SePb3 (PO42 for plasmonic enhanced photoelectrochemical performance

HONGYUAN TANG1, JURUI ZHENG1, JIANPING LI1, QIN XU2, HONGCHENG PAN1,*

Affiliation

  1. Guangxi Key Laboratory of Electrochemistry and Magnetiochemistry Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, 12 Jiangan R oad, Guilin 541004, P. R.
  2. College of Chemistry and Chemical Engineering, Yangzhou Universit y, Yangzhou 225002, P. R. China

Abstract

We present a simple method to construct AuAg2SePb3 (PO42 multicomponent heterojunction. Firstly , PbSe nanoparticles were electrodeposited onto indium tin oxide coated glass electrodes Subsequently, the resulting PbSe/ITO electrode was immersed into a solution containing Ag ++, PO43 --, and surfactant at 60 °C for 24 h to form Ag2Se nanoparticles decorated Pb3 (PO42 nanorods heterojunction Finally, the electrode was immersed into a solution containing AuCl4 ions to spontaneously grow Au nanoparticles onto the heterojunction. The photocurrent of the AuAg2SePb3 (PO42/ITO photoelectrodes is about 200 fold larger than that of the Ag2SePb3 (PO42/ITO electrode. The mechanisms of the formation of the heterojunction and the enhancement of the photocurrent were discussed..

Keywords

Heterojunction, Ag2Se, Pb3 (PO42 , Au, Photocurrent.

Citation

HONGYUAN TANG, JURUI ZHENG, JIANPING LI, QIN XU, HONGCHENG PAN, Multicomponent heterojunction of AuAg2SePb3 (PO42 for plasmonic enhanced photoelectrochemical performance, Optoelectronics and Advanced Materials - Rapid Communications, 11, 11-12, November-December 2017, pp.671-676 (2017).

Submitted at: Feb. 12, 2017

Accepted at: Nov. 28, 2017