Recent progress on quantum dot solar cells: a review

DOI Web Site 4 Citations 158 References Open Access
  • Qing Shen
    University of Electro-Communications, Info-Powered Energy System Research Center, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, JapanbUniversity of Electro-Communications, Department of Engineering Science, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan
  • Koichi Yamaguchi
    University of Electro-Communications, Info-Powered Energy System Research Center, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, JapanbUniversity of Electro-Communications, Department of Engineering Science, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan
  • Tomah Sogabe
    University of Electro-Communications, Info-Powered Energy System Research Center, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, JapanbUniversity of Electro-Communications, Department of Engineering Science, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan

Bibliographic Information

Published
2016-10-06
Resource Type
journal article
DOI
  • 10.1117/1.jpe.6.040901
Publisher
SPIE-Intl Soc Optical Eng

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Description

Semiconductor quantum dots (QDs) have a potential to increase the power conversion efficiency in photovoltaic operation because of the enhancement of photoexcitation. Recent advances in self-assembled QD solar cells (QDSCs) and colloidal QDSCs are reviewed, with a focus on understanding carrier dynamics. For intermediate-band solar cells using self-assembled QDs, suppression of a reduction of open circuit voltage presents challenges for further efficiency improvement. This reduction mechanism is discussed based on recent reports. In QD sensitized cells and QD heterojunction cells using colloidal QDs well-controlled heterointerface and surface passivation are key issues for enhancement of photovoltaic performances. The improved performances of colloidal QDSCs are presented.

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