Charge separation and transport in ZnO nanostructures/polymer:TiO2 hybrid solar cell

Yun-Yue Lin; Tsung Hung Chu; Chun-Wei Chen; Wei-Fang Su; Chih-Cheng Lin; Chen-Hao Ku; Jih-Jen Wu; Cheng-Hsuan Chen

doi:10.1117/12.733378

14 November 2007 Charge separation and transport in ZnO nanostructures/polymer:TiO₂ hybrid solar cell

Yun-Yue Lin, Tsung Hung Chu, Chun-Wei Chen, Wei-Fang Su, Chih-Cheng Lin, Chen-Hao Ku, Jih-Jen Wu, Cheng-Hsuan Chen

Proceedings Volume 6656, Organic Photovoltaics VIII; 66560B (2007) https://doi.org/10.1117/12.733378
Event: Photonic Devices + Applications, 2007, San Diego, California, United States

Abstract

This paper aims to propose a 3D nanostructured organic-inorganic hybrid photovoltaic device based on the ZnO nanostructures/poly(3-hexylthiophene)(P3HT):TiO₂ nanorods hybrids by solution processes at low temperature. An array of ZnO nanorods with a larger size of ~50 nm in diameter and ~180 nm in length are grown to provide direct pathways for efficient charge collection. TiO₂ nanorods with a size of ~5 nm in diameter and ~20-30 nm in length are incorporated into polymer to facilitate charge separation and transport by providing increased interfacial area and more effective transport pathway. The device performance with the inclusion of TiO₂ nanorods exhibits a seven times increase in the short circuit current with respect to that without TiO₂ nanorods.

Citation Download Citation

Yun-Yue Lin, Tsung Hung Chu, Chun-Wei Chen, Wei-Fang Su, Chih-Cheng Lin, Chen-Hao Ku, Jih-Jen Wu, and Cheng-Hsuan Chen "Charge separation and transport in ZnO nanostructures/polymer:TiO₂ hybrid solar cell", Proc. SPIE 6656, Organic Photovoltaics VIII, 66560B (14 November 2007); https://doi.org/10.1117/12.733378

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