Exploring the effect of manganese in lead sulfide quantum dot sensitized solar cell to enhance the photovoltaic performance

被引：23

作者：

Punnoose, Dinah ^{[1
]}

Rao, S. Srinivasa ^{[1
]}

Kim, Soo-Kyoung ^{[1
]}

Kim, Hee-Je ^{[1
]}

机构：

[1] Pusan Natl Univ, Dept Elect & Comp Engn, Busan 609735, South Korea

来源：

RSC ADVANCES | 2015年 / 5卷 / 42期

基金：

新加坡国家研究基金会;

关键词：

COUNTER ELECTRODE; THIN-FILM; EFFICIENCY; CDSE; PBS; STRATEGY;

D O I：

10.1039/c4ra16999a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Herein we demonstrate for the first time, the combination of PbS with CdSe/CdS/TiO2 and exploring the impact of manganese (Mn) on PbS (lead sulfide) quantum dot-sensitized solar cells (QDSSCs). Photo-anodes were sensitized with different percentages of Mn content (5, 10 and 15%) on PbS/CdS/CdSe using a simple successive ion layer adsorption and reaction (SILAR) technique. The performance of the QDSSCs is examined in detail using polysulfide electrolyte and a copper sulfide (CuS) counter electrode. The optimized percentage of Mn content on PbS/CdS/CdSe electrode results in higher efficiency compared to bare PbS/CdS/CdSe-sensitized QDs. This is confirmed with photovoltaic studies and electrochemical impedance spectroscopy. The 10% Mn-doped PbS/CdS/CdSe electrode exhibits short circuit current density of 17.34 mA cm(2) with an enhanced power to conversion efficiency (h) of 4.25% under 1 sun illumination (AM 1.5 G, 100 mW cm(-2)).

引用

页码：33136 / 33145

页数：10

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