Photovoltaic properties of DSSC with composite counter electrodes based on Pt and SLGO

Abstract

Langmuir-Blodgett (LB) films based on graphene oxide were synthesized and studied. Structure and optical properties of the films are studied. At using of the films as counter electrodes in DSSC cells, it is shown that pure LB graphene oxide films, despite the advantages in electrotransport properties, have a rather high resistance. This is lead to the decreasing in the number of charge carriers injected into the semiconductor layer from the dye molecules, and in a complex decrease in the efficiency of solar cells. However, when LB films are deposited over the Pt layer, the electron transport characteristics of the counter electrodes are improved, which is manifested in an increase in the efficiency of solar cells compared to cells with a conventional Pt electrode.

Original language	English
Article number	012009
Journal	IOP Conference Series: Materials Science and Engineering
Volume	289
Issue number	1
DOIs	https://doi.org/10.1088/1757-899X/289/1/012009
Publication status	Published - 12 Jan 2018
Externally published	Yes
Event	6th International Conference on Modern Technologies for Non-Destructive Testing - Tomsk, Russian Federation Duration: 9 Oct 2017 → 14 Oct 2017

ASJC Scopus subject areas

Materials Science(all)
Engineering(all)

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10.1088/1757-899X/289/1/012009

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Ibrayev, N., Seliverstova, E., Dzhanabekova, R., & Serikov, T. (2018). Photovoltaic properties of DSSC with composite counter electrodes based on Pt and SLGO. IOP Conference Series: Materials Science and Engineering, 289(1), [012009]. https://doi.org/10.1088/1757-899X/289/1/012009

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title = "Photovoltaic properties of DSSC with composite counter electrodes based on Pt and SLGO",

abstract = "Langmuir-Blodgett (LB) films based on graphene oxide were synthesized and studied. Structure and optical properties of the films are studied. At using of the films as counter electrodes in DSSC cells, it is shown that pure LB graphene oxide films, despite the advantages in electrotransport properties, have a rather high resistance. This is lead to the decreasing in the number of charge carriers injected into the semiconductor layer from the dye molecules, and in a complex decrease in the efficiency of solar cells. However, when LB films are deposited over the Pt layer, the electron transport characteristics of the counter electrodes are improved, which is manifested in an increase in the efficiency of solar cells compared to cells with a conventional Pt electrode.",

author = "N. Ibrayev and E. Seliverstova and R. Dzhanabekova and T. Serikov",

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AU - Ibrayev, N.

AU - Seliverstova, E.

AU - Dzhanabekova, R.

AU - Serikov, T.

PY - 2018/1/12

Y1 - 2018/1/12

N2 - Langmuir-Blodgett (LB) films based on graphene oxide were synthesized and studied. Structure and optical properties of the films are studied. At using of the films as counter electrodes in DSSC cells, it is shown that pure LB graphene oxide films, despite the advantages in electrotransport properties, have a rather high resistance. This is lead to the decreasing in the number of charge carriers injected into the semiconductor layer from the dye molecules, and in a complex decrease in the efficiency of solar cells. However, when LB films are deposited over the Pt layer, the electron transport characteristics of the counter electrodes are improved, which is manifested in an increase in the efficiency of solar cells compared to cells with a conventional Pt electrode.

AB - Langmuir-Blodgett (LB) films based on graphene oxide were synthesized and studied. Structure and optical properties of the films are studied. At using of the films as counter electrodes in DSSC cells, it is shown that pure LB graphene oxide films, despite the advantages in electrotransport properties, have a rather high resistance. This is lead to the decreasing in the number of charge carriers injected into the semiconductor layer from the dye molecules, and in a complex decrease in the efficiency of solar cells. However, when LB films are deposited over the Pt layer, the electron transport characteristics of the counter electrodes are improved, which is manifested in an increase in the efficiency of solar cells compared to cells with a conventional Pt electrode.

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