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January 1, 2026RSC AdvancesOpen Access

WO ₃ electrodes by spray pyrolysis for photoelectrochemical applications: impact of W precursor and Cl incorporation

Mohammed M. Gomaa Hana Krýsová M. Sayed T. Imrich M. Boshta Michael Neumann‐Spallart Josef Krýsa

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Key Points

This study aims to investigate the effects of W precursor and Cl incorporation on the performance of WO3 electrodes in photoelectrochemical applications.
Conducted long-term chronoamperometry under AM 1.5 irradiation
Evaluated WO3 films at 1.4 V vs. Ag/AgCl
Performed EDS analysis to examine composition and impurities
Photocurrent decreases over time under irradiation
Decrease attributed to oxidative exhaustion of Cl-rich areas in WO3 films
EDS analysis confirmed the presence of chlorine in the films

Implication

Findings demonstrate the influence of chlorine incorporation on photocurrent in WO3 films, suggesting optimization strategies.

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Cite This Study

Gomaa et al. (2026) studied this question.

synapsesocial.com/papers/696c789ceb60fb80d1396c52 https://doi.org/10.1039/d5ra07105d

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