Enhancing the photocurrent in high-photovoltage organic solar cells by doping

Enhancing the photocurrent in high-photovoltage organic solar cells by doping

We obtained a 50% improvement in photocurrent with a photovoltage of 1.0 V by impurity doping organic photoactive codeposited films consisting of fullerene and a novel organic semiconductor. A reduced cell resistance and the formation of band bending were revealed to be the main reasons for the dopi...

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Veröffentlicht in:Japanese Journal of Applied Physics 2015-11, Vol.54 (11), p.111601
Hauptverfasser: Kikuchi, Mitsuru, Shinmura, Yusuke, Kaji, Toshihiko, Kono, Takahiro, Yoshida, Yuji, Hiramoto, Masahiro
Format: Artikel
Sprache:eng
Schlagworte:
Bending
Codeposition
Conversion
Doping
Photocurrent
Photoelectric effect
Photovoltages
Solar cells
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Zusammenfassung:We obtained a 50% improvement in photocurrent with a photovoltage of 1.0 V by impurity doping organic photoactive codeposited films consisting of fullerene and a novel organic semiconductor. A reduced cell resistance and the formation of band bending were revealed to be the main reasons for the doping-induced improvement in photocurrent. A conversion efficiency of 3.8% was observed.
ISSN:0021-4922
1347-4065
DOI:10.7567/JJAP.54.111601