"Semi-random" multichromophoric rr-P3HT analogues for solar photon harvesting

Beate Burkhart; Petr P. Khlyabich; Tuba Cakir Canak; Travis W. Lajoie; Barry C. Thompson

doi:10.1021/ma102747e

"Semi-random" multichromophoric rr-P3HT analogues for solar photon harvesting

Beate Burkhart, Petr P. Khlyabich, Tuba Cakir Canak, Travis W. Lajoie, Barry C. Thompson

University of Southern California

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

79 Citations (Scopus)

Abstract

A family of semi-random donor-acceptor copolymers based on regioregular poly(3-hexylthiophene) (P3HT) are described. A semi-random alkylthiophene-based copolymers, which absorb sunlight due to the randomized incorporation of small amounts of acceptors in the polymer backbone, are introduced. The semi-random structure is defined by a random polymerization that is based on a restricted linkage pattern of the monomers due to regiospecific placement of the reactive functional groups. Red shifts of the absorption peaks when comparing solution spectra to thin film spectra are between 50 and 100 nm, which indicates ordering and planarization of the polymer chains in the solid state. P3HTT-BTD develops semicrystalline features after annealing at 150°C and the interchain packing distance for P3HTT-BTD is calculated as 15.6 Å.

Original language	English
Pages (from-to)	1242-1246
Number of pages	5
Journal	Macromolecules
Volume	44
Issue number	6
DOIs	https://doi.org/10.1021/ma102747e
Publication status	Published - 22 Mar 2011
Externally published	Yes

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title = "{"}Semi-random{"} multichromophoric rr-P3HT analogues for solar photon harvesting",

abstract = "A family of semi-random donor-acceptor copolymers based on regioregular poly(3-hexylthiophene) (P3HT) are described. A semi-random alkylthiophene-based copolymers, which absorb sunlight due to the randomized incorporation of small amounts of acceptors in the polymer backbone, are introduced. The semi-random structure is defined by a random polymerization that is based on a restricted linkage pattern of the monomers due to regiospecific placement of the reactive functional groups. Red shifts of the absorption peaks when comparing solution spectra to thin film spectra are between 50 and 100 nm, which indicates ordering and planarization of the polymer chains in the solid state. P3HTT-BTD develops semicrystalline features after annealing at 150°C and the interchain packing distance for P3HTT-BTD is calculated as 15.6 {\AA}.",

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AU - Burkhart, Beate

AU - Khlyabich, Petr P.

AU - Cakir Canak, Tuba

AU - Lajoie, Travis W.

AU - Thompson, Barry C.

PY - 2011/3/22

Y1 - 2011/3/22

N2 - A family of semi-random donor-acceptor copolymers based on regioregular poly(3-hexylthiophene) (P3HT) are described. A semi-random alkylthiophene-based copolymers, which absorb sunlight due to the randomized incorporation of small amounts of acceptors in the polymer backbone, are introduced. The semi-random structure is defined by a random polymerization that is based on a restricted linkage pattern of the monomers due to regiospecific placement of the reactive functional groups. Red shifts of the absorption peaks when comparing solution spectra to thin film spectra are between 50 and 100 nm, which indicates ordering and planarization of the polymer chains in the solid state. P3HTT-BTD develops semicrystalline features after annealing at 150°C and the interchain packing distance for P3HTT-BTD is calculated as 15.6 Å.

AB - A family of semi-random donor-acceptor copolymers based on regioregular poly(3-hexylthiophene) (P3HT) are described. A semi-random alkylthiophene-based copolymers, which absorb sunlight due to the randomized incorporation of small amounts of acceptors in the polymer backbone, are introduced. The semi-random structure is defined by a random polymerization that is based on a restricted linkage pattern of the monomers due to regiospecific placement of the reactive functional groups. Red shifts of the absorption peaks when comparing solution spectra to thin film spectra are between 50 and 100 nm, which indicates ordering and planarization of the polymer chains in the solid state. P3HTT-BTD develops semicrystalline features after annealing at 150°C and the interchain packing distance for P3HTT-BTD is calculated as 15.6 Å.

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ER -

"Semi-random" multichromophoric rr-P3HT analogues for solar photon harvesting

Abstract

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