Studies of highly regioregular poly(3-hexylselenophene) for photovoltaic applications

Amy M. Ballantyne; Lichun Chen; Jenny Nelson; Donal D.C. Bradley; Yeni Astuti; Andrea Maurano; Christopher G. Shuttle; James R. Durrant; Martin Heeney; Warren Duffy; Iain McCulloch

doi:10.1002/adma.200701265

Studies of highly regioregular poly(3-hexylselenophene) for photovoltaic applications

Amy M. Ballantyne, Lichun Chen, Jenny Nelson, Donal D.C. Bradley, Yeni Astuti, Andrea Maurano, Christopher G. Shuttle, James R. Durrant, Martin Heeney, Warren Duffy, Iain McCulloch

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

149 Scopus citations

Abstract

The study on regioregular poly(3-hexylselenophene) (P3HS) was conducted, which showed P3HS to be a promising electron-donating polymer for photovoltaics. P3HS shows a tendency to crystallize, particularly upon annealing, like a poly(3-hexythiophene) (P3HT). The comparable HOMO levels leads to a similar V_oc for P3HS:PCBM (phenyl-C₆₁-butyric acid methyl ester) to that found for P3HT:PCBM devices, but the smaller optical gap of P3HS leads to a more pronounced absorption in the red for P3HS:PCBM. A P3HS:PCBM device with an optimized film thickness and composition, and that was annealed at an optimized temperature at 150°C produced a PCE of 2.7%, close to that of P3HT:PCBM device measured under the same conditions. There is still space for further optimization, particularly with respect to improving the morphology to enhance the charge separation efficiency, charge transport, and fill factor.

Original language	English (US)
Pages (from-to)	4544-4547
Number of pages	4
Journal	Advanced Materials
Volume	19
Issue number	24
DOIs	https://doi.org/10.1002/adma.200701265
State	Published - Dec 17 2007
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Materials Science
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.200701265

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title = "Studies of highly regioregular poly(3-hexylselenophene) for photovoltaic applications",

abstract = "The study on regioregular poly(3-hexylselenophene) (P3HS) was conducted, which showed P3HS to be a promising electron-donating polymer for photovoltaics. P3HS shows a tendency to crystallize, particularly upon annealing, like a poly(3-hexythiophene) (P3HT). The comparable HOMO levels leads to a similar Voc for P3HS:PCBM (phenyl-C61-butyric acid methyl ester) to that found for P3HT:PCBM devices, but the smaller optical gap of P3HS leads to a more pronounced absorption in the red for P3HS:PCBM. A P3HS:PCBM device with an optimized film thickness and composition, and that was annealed at an optimized temperature at 150°C produced a PCE of 2.7%, close to that of P3HT:PCBM device measured under the same conditions. There is still space for further optimization, particularly with respect to improving the morphology to enhance the charge separation efficiency, charge transport, and fill factor.",

author = "Ballantyne, {Amy M.} and Lichun Chen and Jenny Nelson and Bradley, {Donal D.C.} and Yeni Astuti and Andrea Maurano and Shuttle, {Christopher G.} and Durrant, {James R.} and Martin Heeney and Warren Duffy and Iain McCulloch",

year = "2007",

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doi = "10.1002/adma.200701265",

language = "English (US)",

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AU - Ballantyne, Amy M.

AU - Chen, Lichun

AU - Nelson, Jenny

AU - Bradley, Donal D.C.

AU - Astuti, Yeni

AU - Maurano, Andrea

AU - Shuttle, Christopher G.

AU - Durrant, James R.

AU - Heeney, Martin

AU - Duffy, Warren

AU - McCulloch, Iain

PY - 2007/12/17

Y1 - 2007/12/17

N2 - The study on regioregular poly(3-hexylselenophene) (P3HS) was conducted, which showed P3HS to be a promising electron-donating polymer for photovoltaics. P3HS shows a tendency to crystallize, particularly upon annealing, like a poly(3-hexythiophene) (P3HT). The comparable HOMO levels leads to a similar Voc for P3HS:PCBM (phenyl-C61-butyric acid methyl ester) to that found for P3HT:PCBM devices, but the smaller optical gap of P3HS leads to a more pronounced absorption in the red for P3HS:PCBM. A P3HS:PCBM device with an optimized film thickness and composition, and that was annealed at an optimized temperature at 150°C produced a PCE of 2.7%, close to that of P3HT:PCBM device measured under the same conditions. There is still space for further optimization, particularly with respect to improving the morphology to enhance the charge separation efficiency, charge transport, and fill factor.

AB - The study on regioregular poly(3-hexylselenophene) (P3HS) was conducted, which showed P3HS to be a promising electron-donating polymer for photovoltaics. P3HS shows a tendency to crystallize, particularly upon annealing, like a poly(3-hexythiophene) (P3HT). The comparable HOMO levels leads to a similar Voc for P3HS:PCBM (phenyl-C61-butyric acid methyl ester) to that found for P3HT:PCBM devices, but the smaller optical gap of P3HS leads to a more pronounced absorption in the red for P3HS:PCBM. A P3HS:PCBM device with an optimized film thickness and composition, and that was annealed at an optimized temperature at 150°C produced a PCE of 2.7%, close to that of P3HT:PCBM device measured under the same conditions. There is still space for further optimization, particularly with respect to improving the morphology to enhance the charge separation efficiency, charge transport, and fill factor.

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Studies of highly regioregular poly(3-hexylselenophene) for photovoltaic applications

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