The effect of transition metal ions (M2+=Mn2+, Ni2+, Co2+, Cu2+) on the chemical synthesis polyaniline as counter electrodes in dye-sensitized solar cells

Kezhong Wu; Lei Chen; Weizhen Cui; Bei Ruan; Mingxing Wu

doi:10.1016/j.cjche.2016.10.018

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The effect of transition metal ions (M²⁺=Mn²⁺, Ni²⁺, Co²⁺, Cu²⁺) on the chemical synthesis polyaniline as counter electrodes in dye-sensitized solar cells

Energy, Resources and Environmental Technology | Updated：2026-01-06

- The effect of transition metal ions (M²⁺=Mn²⁺, Ni²⁺, Co²⁺, Cu²⁺) on the chemical synthesis polyaniline as counter electrodes in dye-sensitized solar cells
- Chinese Journal of Chemical Engineering Vol. 25, Issue 5, Pages: 671-675(2017)
- Affiliations：
  
  Key Laboratory of Inorganic Nano-materials of Hebei Province, Department of Chemistry and Material Science, Hebei Normal University,Shijiazhuang,China,050024
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.10.018
  CLC：
- Published：2017
- Accepted：
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DOI：

=Mn DOI： 10.1016/j.cjche.2016.10.018.

摘要

Abstract

The effect of transition metal ions (M

=Mn

) on the chemical synthesis of polyaniline (PANI) used as a platinum-free counter electrode (CE) in dye-sensitized solar cells (DSSCs) was investigated. PANI was synthesized by co-polymerization of aniline in the presence of different transition metal ions by using potassium dichromate in acidic medium. It was found that the ion doping of PANI showed a certain catalytic activity for the regeneration of traditional iodide/triiodide (I

) redox couples. The power conversion efficiency (

) of PANI CEs doped with Mn

(4.41%

2.36% and 2.10%

respectively) were higher than 1.94%

the value measured for PANI CE without doping. Doping with Ca

decreased the power conversion efficiency of PANI CE (PANI-Ca

=1.41%). The electrical properties of the PANI

PANI-Ni

PANI-Co

PANI-Mn

+ and PANI-Ca

were studied by cyclic voltammetry (CV)

impedance (EIS)

and Tafel polarization curve. The experimental results confirmed that PANI was affected by the doping of different transition metal ions (M

=Mn

). These results indicate a potential application of ion doped PANI as counter electrode in cost-effective DSSCs.

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