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3 September 2008 Improved performance of polymer/TiO2 nanorods bulk heterojunction photovoltaic devices by interface modification
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Abstract
In this article, the polymer photovoltaic devices based on the poly(3-hexylthiophene)/TiO2 nanorods hybrid material is present. An enhancement in the device performance can be achieved by removing or replacing the insulating surfactant on the TiO2 nanorods surface with a more conductive ligand, which can play the role to assist charge separation efficiency or also to prevent from back recombination, giving a large improvement in the short circuit current and fill factor. The relatively high power conversion efficiency of 2.2 % under simulated A.M. 1.5 illumination (100mW/cm2) can be achieved, providing a route for fabricating low-cost, environmentally friendly polymer photovoltaic devices by all-solution processes.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yun-Yue Lin, S. S. Lee, Tsung-Hung Chu, Wei-Fang Su, and Chun-Wei Chen "Improved performance of polymer/TiO2 nanorods bulk heterojunction photovoltaic devices by interface modification", Proc. SPIE 7052, Organic Photovoltaics IX, 70520S (3 September 2008); https://doi.org/10.1117/12.792071
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