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Hybrid solar cells with prescribed nanoscale morphologies based on hyperbranched semiconductor nanocrystals

Hybrid solar cells with prescribed nanoscale morphologies based on hyperbranched semiconductor nanocrystals
Hybrid solar cells with prescribed nanoscale morphologies based on hyperbranched semiconductor nanocrystals
In recent years, the search to develop large-area solar cells at low cost has led to research on photovoltaic (PV) systems based on nanocomposites containing conjugated polymers. These composite films can be synthesized and processed at lower costs and with greater versatility than the solid state inorganic semiconductors that comprise today's solar cells. However, the best nanocomposite solar cells are based on a complex architecture, consisting of a fine blend of interpenetrating and percolating donor and acceptor materials. Cell performance is strongly dependent on blend morphology, and solution-based fabrication techniques often result in uncontrolled and irreproducible blends, whose composite morphologies are difficult to characterize accurately. Here we incorporate three-dimensional hyperbranched colloidal semiconductor nanocrystals in solution-processed hybrid organic-inorganic solar cells, yielding reproducible and controlled nanoscale morphology.
solar cells, semiconductor, hyperbranched, nanocrystals
1530-6984
409-414
Gur, I.
caa0c139-1c21-491f-8cf8-831010436bbd
Fromer, N.A.
1159aeef-3932-4214-ba9d-b804e4077064
Chen, C-P.
db0c699f-d41e-4fe8-a8a8-b6424318b896
Kanaras, A.G.
667ecfdc-7647-4bd8-be03-a47bf32504c7
Alivisatos, A.P.
536b83d6-fef4-4fb2-81d9-196929a315f8
Gur, I.
caa0c139-1c21-491f-8cf8-831010436bbd
Fromer, N.A.
1159aeef-3932-4214-ba9d-b804e4077064
Chen, C-P.
db0c699f-d41e-4fe8-a8a8-b6424318b896
Kanaras, A.G.
667ecfdc-7647-4bd8-be03-a47bf32504c7
Alivisatos, A.P.
536b83d6-fef4-4fb2-81d9-196929a315f8

Gur, I., Fromer, N.A., Chen, C-P., Kanaras, A.G. and Alivisatos, A.P. (2007) Hybrid solar cells with prescribed nanoscale morphologies based on hyperbranched semiconductor nanocrystals. Nano Letters, 7 (2), 409-414. (doi:10.1021/nl062660t).

Record type: Article

Abstract

In recent years, the search to develop large-area solar cells at low cost has led to research on photovoltaic (PV) systems based on nanocomposites containing conjugated polymers. These composite films can be synthesized and processed at lower costs and with greater versatility than the solid state inorganic semiconductors that comprise today's solar cells. However, the best nanocomposite solar cells are based on a complex architecture, consisting of a fine blend of interpenetrating and percolating donor and acceptor materials. Cell performance is strongly dependent on blend morphology, and solution-based fabrication techniques often result in uncontrolled and irreproducible blends, whose composite morphologies are difficult to characterize accurately. Here we incorporate three-dimensional hyperbranched colloidal semiconductor nanocrystals in solution-processed hybrid organic-inorganic solar cells, yielding reproducible and controlled nanoscale morphology.

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More information

Published date: February 2007
Keywords: solar cells, semiconductor, hyperbranched, nanocrystals

Identifiers

Local EPrints ID: 48382
URI: https://eprints.soton.ac.uk/id/eprint/48382
ISSN: 1530-6984
PURE UUID: 69e2c444-e88b-4196-bde7-6ef3f11813b6
ORCID for A.G. Kanaras: ORCID iD orcid.org/0000-0002-9847-6706

Catalogue record

Date deposited: 18 Sep 2007
Last modified: 14 Mar 2019 01:39

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Contributors

Author: I. Gur
Author: N.A. Fromer
Author: C-P. Chen
Author: A.G. Kanaras ORCID iD
Author: A.P. Alivisatos

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