A promising heat-induced supramolecular metallogel electrolyte for quasi-solid-state dye-sensitized solar cells

  • Wei Zhang
  • Zhiyuan Wang
  • Li TaoEmail author
  • Keyu Duan
  • Hao WangEmail author
  • Jun Zhang
  • Xu Pan
  • Zhipeng HuoEmail author
Original Paper


A series of Fe(III)-based coordination-driven metallogel (MOG) electrolytes are obtained by absorbing liquid electrolytes with MOGs and applied to quasi-solid-state dye-sensitized solar cells (DSSCs). The MOG, prepared by Fe3+ and trimesic acid, presents a porous and flower-like structure, which can ensure the effective diffusion of I/I3 ions and excellent infiltration to the TiO2 photoanode. Moreover, the mechanical property of MOG is stable enough to guarantee the photovoltaic performances of DSSCs in the operating environment. In the MOG electrolyte, trimesic acid acts as the gelator to coordinate with Fe3+ to form MOG. Furthermore, the condition of TiO2 conduction band edge of quasi-solid-state DSSC shifts with the liquid electrolyte concentration increasing in MOG, which results in both Voc and Jsc increasing firstly and then decreasing, and the process of electron kinetics is investigated to illustrate these differences. Finally, an excellent photoelectric conversion efficiency of 5.31% is obtained for MOG electrolyte–based quasi-solid-state DSSC.


Quasi-solid-state Dye-sensitized solar cell Metallogel Electron kinetics 


Funding information

This work was supported by the National Natural Science Foundation of China (No. 51602095) and Anhui Provincial Natural Science Foundation (No. 1708085MB31).

Supplementary material

10008_2019_4258_MOESM1_ESM.docx (403 kb)
ESM 1 (DOCX 402 kb)


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Hubei Key Laboratory of Ferro & Piezoelectric Materials and Devices, Faculty of Physics & Electronic SciencesHubei UniversityWuhanPeople’s Republic of China
  2. 2.Key Laboratory of Photovoltaic and Energy Conservation Materials, Institute of Applied Technology, Hefei Institutes of Physical ScienceChinese Academy of SciencesHefeiPeople’s Republic of China
  3. 3.Institute of Plasma Physics, Hefei Institutes of Physical ScienceChinese Academy of SciencesHefeiPeople’s Republic of China

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