NDLI: Assessment of TiO<sub>2</sub> Blocking Layers for Cu<sup>II/I</sup>-Electrolyte Dye-Sensitized Solar Cells by Electrochemical Impedance Spectroscopy.

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Assessment of TiO₂ Blocking Layers for Cu^II/I-Electrolyte Dye-Sensitized Solar Cells by Electrochemical Impedance Spectroscopy.

Content Provider	Europe PMC
Author	Michaels, Hannes Freitag, Marina
Copyright Year	2022
Abstract	TheTiO2 blocking layer in dye-sensitized solar cellsis the most difficult component to evaluate at thicknessesbelow 50 nm, but it is crucial for the power conversion efficiency.Here, the electrode capacitance of TiO2 blocking layersis tested in aqueous [Fe(CN)6]3–/4– and correlated to the performance of photoanodes in devices basedon a [Cu(tmby)2]2+/+ electrolyte. The effectsof the blocking layer on electronic recombination in the devices areillustrated with transient photovoltage methods and electrochemicalimpedance analysis. We have thus demonstrated a feasible and facilemethod to assess TiO2 blocking layers for the fabricationof dye-sensitized solar cells.
Related Links	https://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC9096799&blobtype=pdf
Journal	ACS Applied Energy Materials [ACS Appl Energy Mater]
Volume Number	5
DOI	10.1021/acsaem.1c03433
PubMed Central reference number	PMC9096799
Issue Number	2
PubMed reference number	35572067
e-ISSN	25740962
Language	English
Publisher	American Chemical Society
Publisher Date	2022-02-11
Access Restriction	Open
Rights License	Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/). © 2022 American Chemical Society
Subject Keyword	dye-sensitized solar cells impedance spectroscopy blocking layer solar cells spray pyrolysis electrochemical double layer electrode capacitance recombination
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Chemical Engineering Materials Chemistry Electrical and Electronic Engineering Electrochemistry

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