Design of transparent anodes for resonant cavity enhanced light harvesting in organic solar cells

Nicholas P. Sergeant; Afshin Hadipour; Bjoern Niesen; David Cheyns; Paul Heremans; Peter Peumans; Barry P. Rand

doi:10.1002/adma.201104273

Design of transparent anodes for resonant cavity enhanced light harvesting in organic solar cells

Nicholas P. Sergeant, Afshin Hadipour, Bjoern Niesen, David Cheyns, Paul Heremans, Peter Peumans, Barry P. Rand

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

224 Scopus citations

Abstract

The use of an ITO-free MoO ₃/Ag/MoO ₃ anode to control the photon harvesting in PCDTBT:PC ₇₀BM solar cells is proposed. At first sight, the fact that these anodes possess reduced far-field transmission compared to ITO may seem to be a disadvantage. But, despite this, we show that by carefully tuning the resonant optical cavity we can enhance the external quantum efficiency close to the band edge of PCDTBT, resulting in high photocurrent and power conversion efficiency on par with ITO.

Original language	English (US)
Pages (from-to)	728-732
Number of pages	5
Journal	Advanced Materials
Volume	24
Issue number	6
DOIs	https://doi.org/10.1002/adma.201104273
State	Published - Feb 7 2012
Externally published	Yes

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
General Materials Science

Keywords

light-trapping
organic solar cells
photonics
silver
transparent conductors

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10.1002/adma.201104273

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title = "Design of transparent anodes for resonant cavity enhanced light harvesting in organic solar cells",

abstract = "The use of an ITO-free MoO 3/Ag/MoO 3 anode to control the photon harvesting in PCDTBT:PC 70BM solar cells is proposed. At first sight, the fact that these anodes possess reduced far-field transmission compared to ITO may seem to be a disadvantage. But, despite this, we show that by carefully tuning the resonant optical cavity we can enhance the external quantum efficiency close to the band edge of PCDTBT, resulting in high photocurrent and power conversion efficiency on par with ITO.",

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AU - Sergeant, Nicholas P.

AU - Hadipour, Afshin

AU - Niesen, Bjoern

AU - Cheyns, David

AU - Heremans, Paul

AU - Peumans, Peter

AU - Rand, Barry P.

PY - 2012/2/7

Y1 - 2012/2/7

N2 - The use of an ITO-free MoO 3/Ag/MoO 3 anode to control the photon harvesting in PCDTBT:PC 70BM solar cells is proposed. At first sight, the fact that these anodes possess reduced far-field transmission compared to ITO may seem to be a disadvantage. But, despite this, we show that by carefully tuning the resonant optical cavity we can enhance the external quantum efficiency close to the band edge of PCDTBT, resulting in high photocurrent and power conversion efficiency on par with ITO.

AB - The use of an ITO-free MoO 3/Ag/MoO 3 anode to control the photon harvesting in PCDTBT:PC 70BM solar cells is proposed. At first sight, the fact that these anodes possess reduced far-field transmission compared to ITO may seem to be a disadvantage. But, despite this, we show that by carefully tuning the resonant optical cavity we can enhance the external quantum efficiency close to the band edge of PCDTBT, resulting in high photocurrent and power conversion efficiency on par with ITO.

KW - light-trapping

KW - organic solar cells

KW - photonics

KW - silver

KW - transparent conductors

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Design of transparent anodes for resonant cavity enhanced light harvesting in organic solar cells

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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