Synthesis of co-doped Yb3+- Er3+:ZrO2 upconversion nanoparticles and their applications in enhanced photovoltaic properties of quantum dot sensitized solar cells

被引：42
|
作者：
Ramachari, D. [1 ]
Esparza, D. [1 ]
Lopez-Luke, T. [1 ]
Romero, V. H. [2 ]
Perez-Mayen, L. [1 ]
De la Rosa, E. [1 ]
Jayasankar, C. K. [3 ]
机构：
[1] Ctr Invest Opt, Nanophoton & Adv Mat Grp, Leon 37150, Gto, Mexico
[2] Univ Guadalajara, Ctr Univ Tonala, Div Ciencias, Tonala Jalisco 48525, Mex, Mexico
[3] Sri Venkateswara Univ, Dept Phys, Tirupati 517502, Andhra Pradesh, India
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 698卷
关键词：
Yb3+-Er3+:ZrO2 phosphor; Co-precipitation; Quantum-dots; SILAR process; Solar cells; Suppressed charge recombination; SEMICONDUCTOR NANOCRYSTALS; COLLOIDAL PBS; EFFICIENCY; CDS; HYSTERESIS; ENERGY; LAYER; GREEN; PASSIVATION; ORIGIN;
D O I：
10.1016/j.jallcom.2016.12.026
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：
In this work, we explore the development of Yb3+-Er3+ co-doped ZrO2 nanoparticles to coat on TiO2/CdS/ ZnS configuration to boost the photoconversion efficiency of quantum dot sensitized solar cells. Photovoltaic measurement results indicate that the Yb3+-Er3+:ZrO2 layer on TiO2/CdS/ZnS configuration offer a remarkable enhancement in open circuit voltage (593 mV) and fill factor (68.7%). This results proves that it is possible to increase the 55% of photoconversion efficiency (3.0%) in the CdS-based QDSSCs effectively by incorporating the Yb3+-Er3+:ZrO2 layer. Electrochemical impedance spectroscopy measurements confirm further the suppressed charge recombination process after coating with the Yb3+-Er3+:ZrO2 layer. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：433 / 441
页数：9
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