Carbazole functionalized isocyanide brushes in heterojunction photovoltaic devices

Eunhee Lim; Feng Gao; Erik Schwartz; Jeroen J.L.M. Cornelissen; Roeland J.M. Nolte; Alan E. Rowan; Neil C. Greenham; Lee Mi Do

doi:10.1166/jnn.2012.5334

Carbazole functionalized isocyanide brushes in heterojunction photovoltaic devices

Eunhee Lim, Feng Gao, Erik Schwartz, Jeroen J.L.M. Cornelissen, Roeland J.M. Nolte, Alan E. Rowan, Neil C. Greenham, Lee Mi Do

Department of Applied Chemistry

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

2 Scopus citations

Abstract

In this work, carbazole-containing polyisocyanide (PIACz) brushes were used for photovoltaic devices. A photovoltaic device was fabricated on top of the brushes by spin-coating a suitable acceptor and evaporating an Al cathode. Devices with a poly(N-vinylcarbazole) (PVK) bulk polymer were also prepared for comparison. Interestingly, the brushes showed better photovoltaic characteristics as compared to the blended PVK system. This is attributed to the specific morphologies of the polyisocyanide brushes, which provide a large interfacial area between the donor and acceptor for efficient photogeneration. It was found that the device performance varied according to the molecular size of the incorporated acceptors.

Original language	English
Pages (from-to)	503-507
Number of pages	5
Journal	Journal of Nanoscience and Nanotechnology
Volume	12
Issue number	1
DOIs	https://doi.org/10.1166/jnn.2012.5334
State	Published - 2012

Keywords

Organic photovoltaic cell (OPV)
Polycarbazole
Polymer brush
Polymer morphology

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1166/jnn.2012.5334

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title = "Carbazole functionalized isocyanide brushes in heterojunction photovoltaic devices",

abstract = "In this work, carbazole-containing polyisocyanide (PIACz) brushes were used for photovoltaic devices. A photovoltaic device was fabricated on top of the brushes by spin-coating a suitable acceptor and evaporating an Al cathode. Devices with a poly(N-vinylcarbazole) (PVK) bulk polymer were also prepared for comparison. Interestingly, the brushes showed better photovoltaic characteristics as compared to the blended PVK system. This is attributed to the specific morphologies of the polyisocyanide brushes, which provide a large interfacial area between the donor and acceptor for efficient photogeneration. It was found that the device performance varied according to the molecular size of the incorporated acceptors.",

keywords = "Organic photovoltaic cell (OPV), Polycarbazole, Polymer brush, Polymer morphology",

author = "Eunhee Lim and Feng Gao and Erik Schwartz and Cornelissen, {Jeroen J.L.M.} and Nolte, {Roeland J.M.} and Rowan, {Alan E.} and Greenham, {Neil C.} and Do, {Lee Mi}",

year = "2012",

doi = "10.1166/jnn.2012.5334",

language = "English",

volume = "12",

pages = "503--507",

journal = "Journal of Nanoscience and Nanotechnology",

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publisher = "American Scientific Publishers",

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TY - JOUR

T1 - Carbazole functionalized isocyanide brushes in heterojunction photovoltaic devices

AU - Lim, Eunhee

AU - Gao, Feng

AU - Schwartz, Erik

AU - Cornelissen, Jeroen J.L.M.

AU - Nolte, Roeland J.M.

AU - Rowan, Alan E.

AU - Greenham, Neil C.

AU - Do, Lee Mi

PY - 2012

Y1 - 2012

N2 - In this work, carbazole-containing polyisocyanide (PIACz) brushes were used for photovoltaic devices. A photovoltaic device was fabricated on top of the brushes by spin-coating a suitable acceptor and evaporating an Al cathode. Devices with a poly(N-vinylcarbazole) (PVK) bulk polymer were also prepared for comparison. Interestingly, the brushes showed better photovoltaic characteristics as compared to the blended PVK system. This is attributed to the specific morphologies of the polyisocyanide brushes, which provide a large interfacial area between the donor and acceptor for efficient photogeneration. It was found that the device performance varied according to the molecular size of the incorporated acceptors.

AB - In this work, carbazole-containing polyisocyanide (PIACz) brushes were used for photovoltaic devices. A photovoltaic device was fabricated on top of the brushes by spin-coating a suitable acceptor and evaporating an Al cathode. Devices with a poly(N-vinylcarbazole) (PVK) bulk polymer were also prepared for comparison. Interestingly, the brushes showed better photovoltaic characteristics as compared to the blended PVK system. This is attributed to the specific morphologies of the polyisocyanide brushes, which provide a large interfacial area between the donor and acceptor for efficient photogeneration. It was found that the device performance varied according to the molecular size of the incorporated acceptors.

KW - Organic photovoltaic cell (OPV)

KW - Polycarbazole

KW - Polymer brush

KW - Polymer morphology

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DO - 10.1166/jnn.2012.5334

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SN - 1533-4880

VL - 12

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JO - Journal of Nanoscience and Nanotechnology

JF - Journal of Nanoscience and Nanotechnology

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ER -

Carbazole functionalized isocyanide brushes in heterojunction photovoltaic devices

Abstract

Keywords

UN SDGs

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