Study of composition, heat treatment, and inorganic nanocrystal incorporation for hybrid-solar-cells performance

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• 作者：Nguyen Tam Nguyen Truong (1)
  Chinho Park (1)
  Jae Hak Jung (1)
  Vu Luan Nguyen Truong (2)
  
• 关键词：Surface roughness ; Incorporation ; Percolation ; Pathway ; Harvest
• 刊名：Journal of the Korean Physical Society
• 出版年：2014
• 出版时间：April 2014
• 年：2014
• 卷：64
• 期：7
• 页码：965-969
• 全文大小：
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• 作者单位：Nguyen Tam Nguyen Truong (1)
  Chinho Park (1)
  Jae Hak Jung (1)
  Vu Luan Nguyen Truong (2)
  
  1. School of Display and Chemical Engineering, Yeungnam University, Gyeongsan, 712-749, Korea
  2. Faculty of High Quality Training, University of Technical Education, Ho Chi Minh City, Vietnam
  
• ISSN：1976-8524

文摘

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.