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Updated: Jun 11, 2026

Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids
Published on: August 23, 2012
Effect of ZnCdTe-Alloyed Nanocrystals on Polymer-Fullerene Bulk Heterojunction Solar Cells
Yan Wang1, Yanbing Hou, Aiwei Tang
1Key Laboratory of Luminescence and Optical Information, Ministry of Education Institute of Optoelectronic Technology, Beijing Jiaotong University, Beijing, 100044, China. ybhou@bjtu.edu.cn.
Abstract:
The photovoltaic properties of solar cell based on the blends of poly[2-methoxy-5-(2-ethylhexoxy-1,4-phenylenevinylene) (MEH-PPV), fullerene (C60), and ZnCdTe-alloyed nanocrystals were investigated. Comparing the spectral response of photocurrent of the MEH-PPV:C60(+ZnCdTe) nanocomposite device with that of the devices based on MEH-PPV:C60and pristine MEH-PPV, one can find that the nanocomposite device exhibits an enhanced photocurrent. In comparing the composite devices with different ZnCdTe:[MEH-PPV + C60] weight ratios of 10 wt% (D1-1), 20 wt% (D1-2), 40 wt% (D1-3), and 70 wt% (D1-4), it was found that the device D1-3exhibits the best performance. The power conversion efficiency (η) is improved doubly compared with that of the MEH-PPV:C60device.
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