Effects of surface modification of MoS2:TiO2:Pt counter electrodes by argon plasma treatment on photovoltaic performance of dye-sensitized solar cells

Zun Yuan Ke; Hao Che Hung; Yow Jon Lin

doi:10.1007/s10854-016-6139-0

Effects of surface modification of MoS₂:TiO₂:Pt counter electrodes by argon plasma treatment on photovoltaic performance of dye-sensitized solar cells

Zun Yuan Ke, Hao Che Hung, Yow Jon Lin

Graduate Institute of Photonics

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

The MoS₂:TiO₂:Pt counter electrode (CE) treated using argon plasma provides possibilities to improve photovoltaic performance of dye-sensitized solar cells (DSSCs). The experimental results revealed that the argon plasma-treated MoS₂:TiO₂:Pt composite influences on the power conversion efficiency by enhancing electrocatalytic activity that serves to increase the short circuit current. The findings show the importance of plasma treatment time in achieving optimization of DSSCs. The induced conversion of chloroplatinic acid into metallic Pt on the CE surfaces by argon plasma treatment promotes the overpotential modification at the MoS₂:TiO₂:Pt CE/electrolyte interfaces, resulting in the increased probability of the reduction of triiodide to iodide.

Original language	English
Pages (from-to)	4908-4913
Number of pages	6
Journal	Journal of Materials Science: Materials in Electronics
Volume	28
Issue number	6
DOIs	https://doi.org/10.1007/s10854-016-6139-0
Publication status	Published - 2017 Mar 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1007/s10854-016-6139-0

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title = "Effects of surface modification of MoS2:TiO2:Pt counter electrodes by argon plasma treatment on photovoltaic performance of dye-sensitized solar cells",

abstract = "The MoS2:TiO2:Pt counter electrode (CE) treated using argon plasma provides possibilities to improve photovoltaic performance of dye-sensitized solar cells (DSSCs). The experimental results revealed that the argon plasma-treated MoS2:TiO2:Pt composite influences on the power conversion efficiency by enhancing electrocatalytic activity that serves to increase the short circuit current. The findings show the importance of plasma treatment time in achieving optimization of DSSCs. The induced conversion of chloroplatinic acid into metallic Pt on the CE surfaces by argon plasma treatment promotes the overpotential modification at the MoS2:TiO2:Pt CE/electrolyte interfaces, resulting in the increased probability of the reduction of triiodide to iodide.",

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