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- W2051201786 abstract "• Primary processes in dye-sensitized solar cells are discussed. • A reliable method to evaluate electron injection efficiency is proposed. • Electron injection efficiency values obtained are summarized. • Factors limiting electron injection efficiency are discussed. Electron injection processes in dye-sensitized solar cells (DSCs), which involve electron transfer from an excited dye to a semiconductor nanoparticle, have been discussed in many previously reported studies. In this review we discuss the working principles and primary processes of DSCs, as well as these processes’ influence on basic properties of solar cells such as open-circuit voltage, short-circuit current, and incident photon-to-current conversion efficiency (IPCE). We focus our attention on the electron injection process, and we introduce methods to determine electron injection efficiency ( Φ inj ) using time-resolved fluorescence and absorption spectroscopy techniques. We present difficulties associated with obtaining Φ inj by means of such techniques, and we propose nanosecond time-resolved transient absorption spectroscopy as a reliable method. Then, Φ inj values obtained are summarized. Factors limiting Φ inj are discussed from the perspective of free energy changes for electron injection, the molecular structure of sensitizer dyes on the surface, and the presence of fast charge recombination pathways." @default.
- W2051201786 created "2016-06-24" @default.
- W2051201786 creator A5024201372 @default.
- W2051201786 creator A5084025265 @default.
- W2051201786 date "2014-09-01" @default.
- W2051201786 modified "2023-10-10" @default.
- W2051201786 title "Electron injection efficiency in dye-sensitized solar cells" @default.
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