Solution-processed MoO 3 thin films as a hole-injection layer for organic solar cells

Claudio Girotto; Eszter Voroshazi; David Cheyns; Paul Heremans; Barry P. Rand

doi:10.1021/am200729k

Solution-processed MoO ₃ thin films as a hole-injection layer for organic solar cells

Claudio Girotto, Eszter Voroshazi, David Cheyns, Paul Heremans, Barry P. Rand

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

296 Scopus citations

Abstract

We report on a sol-gel-based technique to fabricate MoO ₃ thin films as a hole-injection layer for solution-processed or thermally evaporated organic solar cells. The solution-processed MoO ₃ (sMoO ₃) films are demonstrated to have equal performance to hole-injection layers composed of either PEDOT:PSS or thermally evaporated MoO ₃ (eMoO ₃), and the annealing temperature at which the sol-gel layer begins to work is consistent with the thermodynamic analysis of the process. Finally, the shelf lifetime of devices made with the sMoO ₃ is similar to equivalent devices prepared with a eMoO ₃ hole-injection layer.

Original language	English (US)
Pages (from-to)	3244-3247
Number of pages	4
Journal	ACS Applied Materials and Interfaces
Volume	3
Issue number	9
DOIs	https://doi.org/10.1021/am200729k
State	Published - Sep 28 2011
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Materials Science

Keywords

hole-injection layer
molybdenum oxide
organic solar cells
sol-gel technique
solution processing

Access to Document

10.1021/am200729k

Cite this

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title = "Solution-processed MoO 3 thin films as a hole-injection layer for organic solar cells",

abstract = "We report on a sol-gel-based technique to fabricate MoO 3 thin films as a hole-injection layer for solution-processed or thermally evaporated organic solar cells. The solution-processed MoO 3 (sMoO 3) films are demonstrated to have equal performance to hole-injection layers composed of either PEDOT:PSS or thermally evaporated MoO 3 (eMoO 3), and the annealing temperature at which the sol-gel layer begins to work is consistent with the thermodynamic analysis of the process. Finally, the shelf lifetime of devices made with the sMoO 3 is similar to equivalent devices prepared with a eMoO 3 hole-injection layer.",

keywords = "hole-injection layer, molybdenum oxide, organic solar cells, sol-gel technique, solution processing",

author = "Claudio Girotto and Eszter Voroshazi and David Cheyns and Paul Heremans and Rand, \{Barry P.\}",

year = "2011",

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T1 - Solution-processed MoO 3 thin films as a hole-injection layer for organic solar cells

AU - Girotto, Claudio

AU - Voroshazi, Eszter

AU - Cheyns, David

AU - Heremans, Paul

AU - Rand, Barry P.

PY - 2011/9/28

Y1 - 2011/9/28

N2 - We report on a sol-gel-based technique to fabricate MoO 3 thin films as a hole-injection layer for solution-processed or thermally evaporated organic solar cells. The solution-processed MoO 3 (sMoO 3) films are demonstrated to have equal performance to hole-injection layers composed of either PEDOT:PSS or thermally evaporated MoO 3 (eMoO 3), and the annealing temperature at which the sol-gel layer begins to work is consistent with the thermodynamic analysis of the process. Finally, the shelf lifetime of devices made with the sMoO 3 is similar to equivalent devices prepared with a eMoO 3 hole-injection layer.

AB - We report on a sol-gel-based technique to fabricate MoO 3 thin films as a hole-injection layer for solution-processed or thermally evaporated organic solar cells. The solution-processed MoO 3 (sMoO 3) films are demonstrated to have equal performance to hole-injection layers composed of either PEDOT:PSS or thermally evaporated MoO 3 (eMoO 3), and the annealing temperature at which the sol-gel layer begins to work is consistent with the thermodynamic analysis of the process. Finally, the shelf lifetime of devices made with the sMoO 3 is similar to equivalent devices prepared with a eMoO 3 hole-injection layer.

KW - hole-injection layer

KW - molybdenum oxide

KW - organic solar cells

KW - sol-gel technique

KW - solution processing

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