Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/97568
Title: Solution-processed nanocrystalline TiO2 buffer layer used for improving the performance of organic photovoltaics
Authors: Salim, Teddy
Yin, Zongyou
Sun, Shuangyong
Huang, Xiao
Zhang, Hua
Lam, Yeng Ming
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics
Issue Date: 2011
Source: Salim, T., Yin, Z., Sun, S., Huang, X., Zhang, H., & Lam, Y. M. (2011). Solution-Processed Nanocrystalline TiO . ACS Applied Materials & Interfaces, 3(4), 1063-1067.
Series/Report no.: ACS applied materials & interfaces
Abstract: In this study, we use solution-processable crystalline TiO2 nanoparticles as a buffer layer between the active layer and aluminum cathode to fabricate the P3HT:PCBM-based bulk heterojunction (BHJ) organic photovoltaic (OPV) devices. The employment of the presynthesized TiO2 nanoparticles simplifies the fabrication of OPV devices because of the elimination of an additional hydrolysis step of precursors in air. The fabricated OPV devices with the thermally stable TiO2 buffer layer are subjected to the further postdeposition thermal annealing, resulting in a power conversion efficiency (PCE) as high as 3.94%. The improved device performance could be attributed to the electron transporting and hole blocking capabilities due to the introduced TiO2 buffer layer.
URI: https://hdl.handle.net/10356/97568
http://hdl.handle.net/10220/10512
ISSN: 1944-8244
DOI: 10.1021/am101202k
Rights: © 2011 American Chemical Society.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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