Upconversion effects on the performance of near-infrared laser-driven polymer photovoltaic devices

Jyh Lih Wu, Fang-Chung Chen*, Shu Hao Chang, Kim Shih Tan, Hsing Yu Tuan

*Corresponding author for this work

研究成果: Article

28 引文 斯高帕斯(Scopus)

摘要

We have explored the upconversion (UC) effects resulting from the presence of NaYF4:Yb/Er nanocrystals in near-infrared laser-driven organic photovoltaic devices (OPVs). Illumination of these UC nanomaterials with monochromatic light (980 nm) led to emission of visible light, which was subsequently absorbed by the polymer photoactive layer. We infer that both the long-wavelength charge-transfer absorption of the polymer blend and the UC effect contributed to the obvious near-infrared photovoltaic response. The resulting UC effects led to noticeable enhancements in the photocurrent and the efficiencies of the OPV devices under illumination at 980 nm.

原文English
頁(從 - 到)2104-2108
頁數5
期刊Organic Electronics
13
發行號10
DOIs
出版狀態Published - 1 一月 2012

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