Influence of Au plasmons and their synergistic effects with ZnO nanorods for photoelectrochemical water splitting applications

被引:5
作者
Saboor, Sayed Abdul [1 ]
Sharma, Vidhika [1 ]
Darboe, Ebrima L. [1 ]
Doiphode, Vidya [1 ]
Punde, Ashvini [1 ]
Shinde, Pratibha [1 ]
Jadkar, Vijaya [1 ]
Hase, Yogesh [1 ]
Waghmare, Ashish [1 ]
Prasad, Mohit [1 ]
Jadkar, Sandesh [2 ]
机构
[1] Savitribai Phule Pune Univ, Sch Energy Studies, Pune 411007, Maharashtra, India
[2] Savitribai Phule Pune Univ, Dept Phys, Pune 411007, Maharashtra, India
关键词
NANOWIRE ARRAYS; VISIBLE-LIGHT; THIN-FILMS; PERFORMANCE; CARBON; NANOSTRUCTURES; PHOTOANODES;
D O I
10.1007/s10854-021-06564-4
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Herein, Au plasmons and their synergistic effects with ZnO nanorods (ZNs) have been investigated for photoelectrochemical (PEC) water splitting application. Au plasmons and ZNs are deposited electrochemically. Au-modified nanostructures have absorption in the visible region as plasmons enhance charge transfer and inhibit charge recombination. ZNs modified with Au (deposition duration similar to 60 s) have a photo-current density of similar to 660 mu A cm(-2), at a bias of 1.0 V/SCE. X-ray diffraction (XRD) and scanning electron microscopy were used to study the structure and surface morphology of fabricated photoanodes. In addition, UV-Visible absorption and Photoluminescence spectroscopy were used for optical characterization. We have recorded current-voltage measurements and photo-conversion efficiency measurements to substantiate our observations of the synthesized photoanodes for future application in PEC splitting of water. We have also carried out Mott-Schottky and electrochemical impedance spectroscopy analysis. The analysis reveals that Au-modified ZNs-based photoanodes are a better proposition than their bare counterparts for PEC water splitting application.
引用
收藏
页码:20525 / 20538
页数:14
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