The enhancement of 21.2%-power conversion efficiency in polymer photovoltaic cells by using mixed Au nanoparticles with a wide absorption spectrum of 400 nm–1000 nm<xref ref-type="fn" rid="cpb142275fn1">*</xref>

The enhancement of 21.2%-power conversion efficiency in polymer photovoltaic cells by using mixed Au nanoparticles with a wide absorption spectrum of 400 nm–1000 nm*

Hao Jing-Yu^a)†, Xu Ying^a)†, Zhang Yu-Pei^a), Chen Shu-Fen^a)‡, Li Xing-Ao^a), Wang Lian-Hui^a), Huang Wei^a),^b)

Measured absorption (a) and PL spectra (b) of the PEDOT:PSS/P3HT:PCBM film with 3, 4.5, and 6 vol% Au NPs or without Au NPs incorporation. Measured absorption spectra of (c) PEDOT:PSS:NPs (3, 4.5, and 6 vol%) or without Au NPs incorporation. (d) The time-resolved photoluminescence spectra of PEDOT:PSS:NPs (4.5 vol%)/P3HT and the control film without NPs.