Journal
SUSTAINABLE ENERGY & FUELS
Volume 5, Issue 2, Pages 367-383Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0se00596g
Keywords
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Funding
- Jane and Aatos Erkko Foundation [243035481]
- Technology Industries of Finland [243035481]
- Department of Applied Physics at Aalto University [164/2018]
- German Free State of Thuringia (TAB)
- European Social Fund (ESF)
- European Regional Development Fund (ERDF) within the project ESTI [2019 FGR 0080]
- European Regional Development Fund (ERDF) within the project FEST [2016 FE 9028]
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This paper discusses issues related to the current direction of DSSC research, focusing on the transition from iodide-containing electrolyte to alternative CTMs, introducing new dyes and counter electrodes in the process. The recent developments of CTMs based on Cu coordination complexes and their associated novel dyes are discussed in detail.
The present perspective presents a number of issues related to the current direction of DSSC research, with emphasis on the transition from iodide-containing electrolyte to charge-transport media (CTMs), electrolytes or solid-state conductors based on inorganic coordination complexes, aiming to attain a better light-to-electricity conversion efficiency, associated with larger photovoltage, and long-term stability. Such a change necessitates the concomitant introduction of novel dyes and counter electrodes. The first part of the perspective introduces an overview of the DSSC field and a number of considerations related to the transition from the triiodide/iodide-based CTM to CTMs based on alternative systems. Subsequently, the recent developments of CTM based on Cu coordination complexes are discussed, from the inorganic physical chemistry point of view, including some highlights about novel dyes associated to these CTMs. Finally, several preparation methods and applications of different types of novel carbonaceous counter electrode substrates, related to the application of the aforementioned novel CTMs, are presented.
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