Journal
ELECTROCHIMICA ACTA
Volume 151, Issue -, Pages 531-536Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2014.11.032
Keywords
Quantum dot-sensitized solar cell; ZnO nanoflower; nanostructure; CdS/CdSe
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Funding
- BK 21 PLUS, Creative Human Resource Development Program
- National Research Foundation of Korea (NRF) - Ministry of Education [2014H1A2A1020479]
- National Research Foundation of Korea [2014H1A2A1020479] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Quantum dot-sensitized solar cells (QDSCs) have been attracting much attention due to their unique characteristics such as multiple exciton generation and a tunable band gap. Supporting materials of photoelectrodes for QDSCs like TiO2 and ZnO are some of the most important parts because they absorb sensitizers and also function as photo-injected electron pathways. Particularly, ZnO has many advantages for the photoelectrodes of QDSCs. In this study, we investigated the effect of ammonia treatment on ZnO nanoflower-based QDSCs by varying the concentration of ammonia. The influence of ammonia treatment is discussed with respect to the power conversion efficiency from the J-V curve, electrochemical impedance spectroscopy (EIS), and other analyses. (C) 2014 Elsevier Ltd. All rights reserved.
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