Incorporation of potassium at CuPc/ C60 interface for photovoltaic application

Chuan Feng Shih; Kuang Teng Hung; Hui Ju Chen; Chu Yun Hsiao; Kuan Ta Huang; Szu Hung Chen

doi:10.1063/1.3568884

Incorporation of potassium at CuPc/ C60 interface for photovoltaic application

Chuan Feng Shih, Kuang Teng Hung, Hui Ju Chen, Chu Yun Hsiao, Kuan Ta Huang, Szu Hung Chen

Doctoral Degree Program on Nano-Integrated-Circuit Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

This letter demonstrates the effect of potassium (K) doping at the donor-acceptor interface of CuPc/ C60 -based organic solar cells. Power conversion efficient (PCE) doubled when a little K was doped into the CuPc/ C60 interface and the device was postannealed (75 °C, 10 min). Changes in binding energies, depletion capacitance, and mobilities of electrons and holes were investigated. The marked improvement of PCE arose mostly from the increase in short-circuit current, owing to the modified charge transfer process.

Original language	English
Article number	113307
Journal	Applied Physics Letters
Volume	98
Issue number	11
DOIs	https://doi.org/10.1063/1.3568884
Publication status	Published - 2011 Mar 14

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3568884

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title = "Incorporation of potassium at CuPc/ C60 interface for photovoltaic application",

abstract = "This letter demonstrates the effect of potassium (K) doping at the donor-acceptor interface of CuPc/ C60 -based organic solar cells. Power conversion efficient (PCE) doubled when a little K was doped into the CuPc/ C60 interface and the device was postannealed (75 °C, 10 min). Changes in binding energies, depletion capacitance, and mobilities of electrons and holes were investigated. The marked improvement of PCE arose mostly from the increase in short-circuit current, owing to the modified charge transfer process.",

author = "Shih, {Chuan Feng} and Hung, {Kuang Teng} and Chen, {Hui Ju} and Hsiao, {Chu Yun} and Huang, {Kuan Ta} and Chen, {Szu Hung}",

note = "Funding Information: This work was supported by the National Science Council under Contract No. 99-2221-E-006-215.",

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T1 - Incorporation of potassium at CuPc/ C60 interface for photovoltaic application

AU - Shih, Chuan Feng

AU - Hung, Kuang Teng

AU - Chen, Hui Ju

AU - Hsiao, Chu Yun

AU - Huang, Kuan Ta

AU - Chen, Szu Hung

N1 - Funding Information: This work was supported by the National Science Council under Contract No. 99-2221-E-006-215.

PY - 2011/3/14

Y1 - 2011/3/14

N2 - This letter demonstrates the effect of potassium (K) doping at the donor-acceptor interface of CuPc/ C60 -based organic solar cells. Power conversion efficient (PCE) doubled when a little K was doped into the CuPc/ C60 interface and the device was postannealed (75 °C, 10 min). Changes in binding energies, depletion capacitance, and mobilities of electrons and holes were investigated. The marked improvement of PCE arose mostly from the increase in short-circuit current, owing to the modified charge transfer process.

AB - This letter demonstrates the effect of potassium (K) doping at the donor-acceptor interface of CuPc/ C60 -based organic solar cells. Power conversion efficient (PCE) doubled when a little K was doped into the CuPc/ C60 interface and the device was postannealed (75 °C, 10 min). Changes in binding energies, depletion capacitance, and mobilities of electrons and holes were investigated. The marked improvement of PCE arose mostly from the increase in short-circuit current, owing to the modified charge transfer process.

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Incorporation of potassium at CuPc/ C60 interface for photovoltaic application

Abstract

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