Block copolymer morphologies in dye-sensitized solar cells: Probing the photovoltaic structure-function relation

Edward J W Crossland; Mihaela Nedelcu; Caterina Ducati; Sabine Ludwigs; Marc A. Hillmyer; Ullrich Steiner; Henry J. Snaith

doi:10.1021/nl800942c

Block copolymer morphologies in dye-sensitized solar cells: Probing the photovoltaic structure-function relation

Edward J W Crossland, Mihaela Nedelcu, Caterina Ducati, Sabine Ludwigs, Marc A. Hillmyer, Ullrich Steiner, Henry J. Snaith

Chemistry (Twin Cities)

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

159 Scopus citations

Abstract

We integrate mesostructured titania arrays into dye-sensitized solar cells by replicating ordered, oriented one-dimensional (1D) columnar and three-dimensional (3D) bicontinuous gyroid block copolymer phases. The solar cell performance, charge transport, and recombination are investigated. We observe faster charge transport in 1D "wires" than through 3D gyroid arrays. However, owing to their structural instability, the surface area of the wire arrays is low, inhibiting the solar cell performance. The gyroid morphology, on the other hand, outperforms the current state-of-the-art mesoporous nanoparticle films.

Original language	English (US)
Pages (from-to)	2813-2819
Number of pages	7
Journal	Nano letters
Volume	9
Issue number	8
DOIs	https://doi.org/10.1021/nl800942c
State	Published - Aug 12 2009

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abstract = "We integrate mesostructured titania arrays into dye-sensitized solar cells by replicating ordered, oriented one-dimensional (1D) columnar and three-dimensional (3D) bicontinuous gyroid block copolymer phases. The solar cell performance, charge transport, and recombination are investigated. We observe faster charge transport in 1D {"}wires{"} than through 3D gyroid arrays. However, owing to their structural instability, the surface area of the wire arrays is low, inhibiting the solar cell performance. The gyroid morphology, on the other hand, outperforms the current state-of-the-art mesoporous nanoparticle films.",

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T1 - Block copolymer morphologies in dye-sensitized solar cells

T2 - Probing the photovoltaic structure-function relation

AU - Crossland, Edward J W

AU - Nedelcu, Mihaela

AU - Ducati, Caterina

AU - Ludwigs, Sabine

AU - Hillmyer, Marc A.

AU - Steiner, Ullrich

AU - Snaith, Henry J.

PY - 2009/8/12

Y1 - 2009/8/12

N2 - We integrate mesostructured titania arrays into dye-sensitized solar cells by replicating ordered, oriented one-dimensional (1D) columnar and three-dimensional (3D) bicontinuous gyroid block copolymer phases. The solar cell performance, charge transport, and recombination are investigated. We observe faster charge transport in 1D "wires" than through 3D gyroid arrays. However, owing to their structural instability, the surface area of the wire arrays is low, inhibiting the solar cell performance. The gyroid morphology, on the other hand, outperforms the current state-of-the-art mesoporous nanoparticle films.

AB - We integrate mesostructured titania arrays into dye-sensitized solar cells by replicating ordered, oriented one-dimensional (1D) columnar and three-dimensional (3D) bicontinuous gyroid block copolymer phases. The solar cell performance, charge transport, and recombination are investigated. We observe faster charge transport in 1D "wires" than through 3D gyroid arrays. However, owing to their structural instability, the surface area of the wire arrays is low, inhibiting the solar cell performance. The gyroid morphology, on the other hand, outperforms the current state-of-the-art mesoporous nanoparticle films.

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Block copolymer morphologies in dye-sensitized solar cells: Probing the photovoltaic structure-function relation

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