Enhanced light-harvesting by plasmonic hollow gold nanospheres for photovoltaic performance

被引：2
作者：
Ding, Hao [1 ]
Lv, Jindian [2 ]
Wu, Huaping [1 ]
Chai, Guozhong [1 ]
Liu, Aiping [2 ,3 ]
机构：
[1] Zhejiang Univ Technol, Minist Educ, Key Lab E&M, Hangzhou 310014, Zhejiang, Peoples R China
[2] Zhejiang Sci Tech Univ, Ctr Optoelect Mat & Devices, Hangzhou 310018, Zhejiang, Peoples R China
[3] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
来源：
ROYAL SOCIETY OPEN SCIENCE | 2018年 / 5卷 / 01期
基金：
中国国家自然科学基金;
关键词：
hollow gold nanospheres; TiO2; nanorod; surface plasmon resonance; photochemical performance; solar cell; IONIC LAYER ADSORPTION; QUANTUM DOTS; SOLAR-CELLS; OPTICAL-PROPERTIES; TIO2; PHOTOANODES; RAMAN-SCATTERING; NANOTUBE ARRAYS; CDSE; NANOPARTICLES; AU;
D O I：
10.1098/rsos.171350
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
A 'sandwich'-structured TiO2NR/HGN/CdS photoanode was successfully fabricated by the electrophoretic deposition of hollow gold nanospheres (HGNs) on the surface of TiO2 nanorods (NRs). The HGNs presented a wide surface plasmon resonance character in the visible region from 540 to 630 nm, and further acted as the scatter elements and light energy 'antennas' to trap the local-field light near the TiO2NR/CdS layer, resulting in the increase of the light harvesting. An outstanding enhancement in the photochemical behaviour of TiO2NR/HGN/CdS photoanodes was attained by the contribution of HGNs in increasing the light absorption and the number of electron-hole pairs of photosensitive semiconductors. The optimized photochemical performance of TiO2NR/HGN/CdS photoanodes by using plasmonic HGNs demonstrated their potential application in energy conversion devices.
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页数：10
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