Study of Composition, Heat Treatment, and Inorganic Nanocrystal Incorporation for Hybrid-solar-cells Performance

Title
Study of Composition, Heat Treatment, and Inorganic Nanocrystal Incorporation for Hybrid-solar-cells Performance
Author(s)
정재학박진호트롱윈탐윈
Keywords
CONJUGATED POLYMER; PHOTOVOLTAIC CELLS; MORPHOLOGY; DEVICE
Issue Date
201404
Publisher
KOREAN PHYSICAL SOC
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.64, no.7, pp.965 - 969
Abstract
Hybrid solar cells were fabricated by blending [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) and conjugate polymers, such as poly(3-hexyl thiophene) (P3HT) and poly[2,6-(4,4-bis(2-ethylhexyl)-4H-cyclopenta[2,1-b; 3,4-b'] -dithiophene)-alt -4,7-(2,1,3-benzothiadiazole)] (PCPDTBT). The effects of solution composition, annealing, and the incorporation of inorganic semiconductor nanocrystals (NCs) on the performance of the device were investigated. The composite solution of a (PCBM: PCPDTBT) blend was optimized to control the surface morphology of the active layer. The composite films constructed with (PCBM: PCPDTBT) ratios of 1:1, 2:1, and 3: 1 were studied, and results showed that the surface of the active layers were quite smooth. Heat treatment on the fabricated cell structure was also studied and was optimized to improve the device's performance. To enhancement of the device's efficiency, we added of semiconducting nanocrystals into the composite solution, which resulted in a maximum power conversion efficiency of 4.56% under AM1.5G simulated solar irradiation.
URI
http://hdl.handle.net/YU.REPOSITORY/32521http://dx.doi.org/10.3938/jkps.64.965
ISSN
0374-4884
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공과대학 > 화학공학부 > Articles
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