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• W3003046355 abstract "Abstract Cupric oxide (CuO) is a promising candidate as a photocathode for visible‐light‐driven photo‐electrochemical (PEC) water splitting. However, the stability of the CuO photocathode against photo‐corrosion is crucial for developing CuO‐based PEC cells. This study demonstrates a stable and efficient photocathode through the introduction of graphene into CuO film (CuO:G). The CuO:G composite electrodes are prepared using graphene‐incorporated CuO sol–gel solution via spin‐coating techniques. The graphene is modified with two different types of functional groups, such as amine (NH 2 ) and carboxylic acid (COOH). The COOH‐functionalized graphene incorporation into CuO photocathode exhibits better stability and also improves the photocurrent generation compare to control CuO electrode. In addition, COOH‐functionalized graphene reduces the conversion of CuO phase into cuprous oxide (Cu 2 O) during photo‐electrochemical reaction due to effective charge transfer and leads to a more stable photocathode. The reduction of CuO to Cu 2 O phase is significantly lesser in CuO:G‐COOH as compared to CuO and CuO:G‐NH 2 photocathodes. The photocatalytic degradation of methylene blue (MB) by CuO, CuO:G‐NH 2 and CuO:G‐COOH is also investigated. By integrating CuO:G‐COOH photocathode with a sol–gel‐deposited TiO 2 protecting layer and Au–Pd nanostructure, stable and efficient photocathode are developed for solar hydrogen generation." @default.
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• W3003046355 date "2020-01-24" @default.
• W3003046355 modified "2023-10-04" @default.
• W3003046355 title "Nanoengineered Advanced Materials for Enabling Hydrogen Economy: Functionalized Graphene–Incorporated Cupric Oxide Catalyst for Efficient Solar Hydrogen Production" @default.
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• W3003046355 doi "https://doi.org/10.1002/gch2.201900087" @default.
• W3003046355 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7050082" @default.
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