NDLI: Influence of highly efficient PbS counter electrode on photovoltaic performance of CdSe quantum dots-sensitized solar cells

Content Provider	Springer Nature Link
Author	Zhang, Jing Bo Zhao, Fei Yan Tang, Guang Shi Lin, Yuan
Copyright Year	2013
Abstract	PbS electrode with high catalytic activity to Sn 2− reduction certificated by the measurements of electrochemical impedance spectroscopy and cyclic voltammetry was prepared by a simple method. The high catalytic activity makes it be a low-cost alternative counter electrode to platinum (Pt) to be used in quantum dots-sensitized solar cells (QDSSCs) based on polysulfide electrolyte. The photovoltaic performance enhancement of the quantum dots (QDs)-sensitized semiconductor thin films due to the PbS counter electrode was evaluated by fabricating QDSSCs based on CdSe QDs-sensitized ZnO (SnO2) thin film. CdSe QDs-sensitized ZnO thin film has the lower internal total series resistance and electron transmission time, the higher electron lifetime and electron collection efficiency than the CdSe QDs-sensitized SnO2 thin film. Replacing the Pt counter electrode with the PbS counter electrode leads to more improvement on the short circuit photocurrent density for QDSSC based on the ZnO thin film than the SnO2 thin film. Therefore, the process to limit the photovoltaic performance of CdSe QDs-sensitized solar cell and the possible way to improve the photovoltaic performance were analyzed.
Starting Page	2909
Ending Page	2915
Page Count	7
File Format	PDF
ISSN	14328488
Journal	Journal of Solid State Electrochemistry
Volume Number	17
Issue Number	11
e-ISSN	14330768
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-08-14
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	PbS counter electrode CdSe QDs-sensitized solar cell Polysulfide electrolyte Catalytic activity Photoelectric conversion efficiency Physical Chemistry Electrochemistry Energy Storage Characterization and Evaluation of Materials Analytical Chemistry Condensed Matter Physics
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Materials Science Electrical and Electronic Engineering Electrochemistry

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