Matrix-assisted laser desorption/ionization mass spectrometric analysis of poly(3,4-ethylenedioxythiophene) in solid-state dye-sensitized solar cells: comparison of in situ photoelectrochemical polymerization in aqueous micellar and organic media

Analytical Chemistry
Jinbao ZhangDenys Shevchenko

Abstract

Solid-state dye-sensitized solar cells (sDSCs) are devoid of such issues as electrolyte evaporation or leakage and electrode corrosion, which are typical for traditional liquid electrolyte-based DSCs. Poly(3,4-ethylenedioxythiophene) (PEDOT) is one of the most popular and efficient p-type conducting polymers that are used in sDSCs as a solid-state hole-transporting material. The most convenient way to deposit this insoluble polymer into the dye-sensitized mesoporous working electrode is in situ photoelectrochemical polymerization. Apparently, the structure and the physicochemical properties of the generated conducting polymer, which determine the photovoltaic performance of the corresponding solar cell, can be significantly affected by the preparation conditions. Therefore, a simple and fast analytical method that can reveal information on polymer chain length, possible chemical modifications, and impurities is strongly required for the rapid development of efficient solar energy-converting devices. In this contribution, we applied matrix-assisted laser desorption/ionization mass spectrometry (MALDI MS) for the analysis of PEDOT directly on sDSCs. It was found that the PEDOT generated in aqueous micellar medium possesses relati...Continue Reading

References

Dec 5, 2006·Journal of Mass Spectrometry : JMS·Zhun MaWei Huang
Sep 14, 2010·Chemical Reviews·Anders HagfeldtHenrik Pettersson
Mar 7, 2014·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Jinbao ZhangAnders Hagfeldt
Aug 15, 2014·Physical Chemistry Chemical Physics : PCCP·V LeandriA Hagfeldt

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Citations

Feb 27, 2016·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Jinbao ZhangAnders Hagfeldt
Jun 18, 2020·Sensors·Somayeh TajikMohammadreza Shokouhimehr

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