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Interfacial Engineering of CdO-CdSe 3D Microarchitectures with insitu Photopolymerized PEDOT for an Enhanced Photovoltaic Performance

Title
Interfacial Engineering of CdO-CdSe 3D Microarchitectures with insitu Photopolymerized PEDOT for an Enhanced Photovoltaic Performance
Author
한성환
Keywords
SENSITIZED SOLAR-CELLS; TICL4 TREATMENT
Issue Date
2015-05
Publisher
WILEY-BLACKWELL
Citation
PHOTOCHEMISTRY AND PHOTOBIOLOGY, v. 91, NO 4, Page. 780-785
Abstract
In the present work, porous 3D CdO-microstructured electrode obtained by pyrolysis of 3D CdCO3 microstructures is self-sensitized with CdSe using an ion exchange reaction. After sensitization, an interfacial treatment of the CdO-CdSe interface is performed by depositing a thin film of PEDOT using a photoinduce polymerization route. The microstructured electrode before and after interfacial treatment is characterized using field-emission scanning microscope, energy dispersive X-ray analyzer, contact angle measurement, UV-Visible absorption spectrophotometer and X-ray photoelectron spectrometer. After constructing a liquid junction solar cell with a Pt counter electrode, the photovoltaic performance and interfacial charge transfer kinetics across the CdO-CdSe interface before and after PEDOT treatment are investigated. The results exhibit an improved interfacial charge-transfer resistance after the PEDOT treatment, which leads to enhance the short-circuit current by 15.81% and the power conversion efficiency by 19.82%.
URI
http://onlinelibrary.wiley.com/doi/10.1111/php.12429/abstracthttp://hdl.handle.net/20.500.11754/24415
ISSN
0031-8655; 1751-1097
DOI
10.1111/php.12429
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > CHEMISTRY(화학과) > Articles
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