Efficient Hybrid Infrared Solar Cells Based on P3HT and PbSe Nanocrystal Quantum Dots

Zha Nao Tan; Wen Qing Zhang; De Ping Qian; Hua Zheng; Sheng Qiang Xiao; Yong Ping Yang; Ting Zhu; Jian Xu

doi:10.4028/www.scientific.net/MSF.685.38

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HomeMaterials Science ForumMaterials Science Forum Vol. 685Efficient Hybrid Infrared Solar Cells Based on...

Efficient Hybrid Infrared Solar Cells Based on P3HT and PbSe Nanocrystal Quantum Dots

Abstract:

The effects of composition on the performance of hybrid photovoltaic cells based on PbSe nanocrystal quantum dot(NQD)/ poly(3-hexylthiophene) nanocomposites were studied. The device performance and the absorption property strongly depended on the loading of PbSe. To improve the device performance, a pure light-absorbing P3HT film was inserted underneath the blended layer of P3HT and PbSe nanocrystal quantum dots in the active region. Such a design allowed for the employment of a thinner bulk heterojunction for more efficient carrier collection without an excessive reduction of the overall light absorption by the photovoltaic cell. The measured device performance showed a significant improvement over previously reported hybrid cells containing bulk heterojunctions of P3HT and Pb(S,Se) nanocrystal quantum dots.

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Periodical:

Materials Science Forum (Volume 685)

Pages:

38-43

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.685.38

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Online since:

June 2011

Authors:

Zha Nao Tan, Wen Qing Zhang, De Ping Qian, Hua Zheng, Sheng Qiang Xiao, Yong Ping Yang, Ting Zhu, Jian Xu

Keywords:

PbSe, Poly(3-hexylthiophene), Quantum Dot (QD), Solar Cell

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