A simple modification of near-infrared photon-to-electron response with fluorescence resonance energy transfer for dye-sensitized solar cells

被引：25

作者：

Li, Liang ^{[1
]}

Yang, Yulin ^{[1
]}

Fan, Ruiqing ^{[1
]}

Jiang, Yanxia ^{[1
]}

Wei, Liguo ^{[1
]}

Shi, Yan ^{[1
]}

Yu, Jia ^{[1
]}

Chen, Shuo ^{[1
]}

Wang, Ping ^{[1
]}

Yang, Bin ^{[2
]}

Cao, Wenwu ^{[2
,3
]}

机构：

[1] Harbin Inst Technol, Dept Chem, Harbin 150001, Peoples R China

[2] Harbin Inst Technol, Condensed Matter Sci & Technol Inst, Harbin 150080, Peoples R China

[3] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA

来源：

JOURNAL OF POWER SOURCES | 2014年 / 264卷

基金：

中国国家自然科学基金;

关键词：

Upconversion; Fluorescence resonance energy transfer; Electron injection; Dye-sensitized solar cells; VISIBLE UP-CONVERSION; SPECTRAL OPTICAL-PROPERTIES; ENHANCEMENT; EFFICIENCY; TIO2; PERFORMANCE; NANOCRYSTALS; LUMINESCENCE; ABSORPTION; PIGMENTS;

D O I：

10.1016/j.jpowsour.2014.04.100

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Upconversion (UC) Er, Yb-YF3 is introduced into dye-sensitized solar cells (DSSC) through a simple method to investigate the effect of UC particles in photoanode. The utilization of UC phosphor can significantly improve the photocurrent of the cells under both infrared irradiation and sunlight. Fluorescence resonance energy transfer (FRET) and luminescence-mediated energy transfer between UC-YF3 and N719 dye are explored as the main contribution that UC-YF3 made to DSSC. With the multi-efforts of UC-YF3, power conversion efficiency (PCE) of DSSC is improved from 5.18% to 6.22%. Besides, Electron transfer between UC-YF3 and TiO2 is found after sintered at 450 degrees C, and the PCE value of DSSC is improved further (5.34% -> 6.76%). In addition, we explore that UC-YF3 can serve as a scattering material to increase the light absorption capability of the cells and increase the photocurrent of the cells under simulated sunlight irradiation. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：254 / 261

页数：8

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