Improved open-circuit voltage and efficiency in organic solar cells using a phosphine oxide based interlayer material

A spirobenzofluorene based phosphine oxide material (SPPO21) was used as an interlayer between the active layer and electron collecting electrode to improve the device performances of the organic solar cells (OSCs) with poly(3-hexylthiophene): [6,6]-phenyl C61-butyric acid methyl ester active layer....

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Veröffentlicht in:Solar energy materials and solar cells 2010-08, Vol.94 (8), p.1389-1392
Hauptverfasser: Jeon, Soon Ok, Yook, Kyoung Soo, Chin, Byung Doo, Park, Yong Sup, Lee, Jun Yeob
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container_end_page 1392
container_issue 8
container_start_page 1389
container_title Solar energy materials and solar cells
container_volume 94
creator Jeon, Soon Ok
Yook, Kyoung Soo
Chin, Byung Doo
Park, Yong Sup
Lee, Jun Yeob
description A spirobenzofluorene based phosphine oxide material (SPPO21) was used as an interlayer between the active layer and electron collecting electrode to improve the device performances of the organic solar cells (OSCs) with poly(3-hexylthiophene): [6,6]-phenyl C61-butyric acid methyl ester active layer. The open-circuit voltage of the OSCs was improved by more than 50% and the power conversion efficiency was improved to 4.4% at the optimal thickness of SPPO21 interlayer (reference was 2.1%). In terms of the open-circuit voltage and efficiency, SPPO21 interlayer was even more effective than LiF.
doi_str_mv 10.1016/j.solmat.2010.04.008
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source ScienceDirect Journals (5 years ago - present)
subjects Applied sciences
Efficiency
Electric potential
Electrodes
Energy
Equipments, installations and applications
Esters
Exact sciences and technology
Interlayers
Natural energy
Open-circuit voltage
Organic solar cell
Phosphine oxide
Photovoltaic cells
Photovoltaic conversion
Small molecule interlayer
Solar cells
Solar cells. Photoelectrochemical cells
Solar energy
Voltage
title Improved open-circuit voltage and efficiency in organic solar cells using a phosphine oxide based interlayer material
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