Enhancing the photocurrent in poly(3-hexylthiophene)/[6,6]-phenyl C61 butyric acid methyl ester bulk heterojunction solar cells by using poly(3-hexylthiophene) as a buffer layer

This work presents an approach for improving the unfavorable vertical composition gradients of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl C61 butyric acid methyl ester (PCBM) in the photoactive layer of bulk heterojunction solar cells. The proposed method involves simply depositing a thin layer...

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Veröffentlicht in:	Applied physics letters 2009-09, Vol.95 (13)
Hauptverfasser:	Liang, Chin-Wei, Su, Wei-Fang, Wang, Leeyih
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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