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Issue 26, 2019
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A hydrophobic polymer stabilized p-Cu2O nanocrystal photocathode for highly efficient solar water splitting

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Abstract

For the first time, a compact hydrophobic layer composed of a macromolecular polymer was applied to inhibit the inactivation of cuprous oxide. In addition, 50 nm thick silver was sputtered on an FTO substrate as a reflective layer to enhance photon utilization efficiency, while n-TiO2 forms a semiconductor heterojunction to effectively separate photo-generated carriers. After depositing Pt as a hydrogen evolution catalyst, a photocurrent density of −5.5 mA cm−2 was finally obtained, and retained 98% photo-stability after 6 hours, and the IPCE summit reached 68.3% at 415 nm.

Graphical abstract: A hydrophobic polymer stabilized p-Cu2O nanocrystal photocathode for highly efficient solar water splitting

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Publication details

The article was received on 08 May 2019, accepted on 12 Jun 2019 and first published on 12 Jun 2019


Article type: Communication
DOI: 10.1039/C9TA04822G
J. Mater. Chem. A, 2019,7, 15593-15598

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    A hydrophobic polymer stabilized p-Cu2O nanocrystal photocathode for highly efficient solar water splitting

    Y. Li, X. Zhong, K. Luo and Z. Shao, J. Mater. Chem. A, 2019, 7, 15593
    DOI: 10.1039/C9TA04822G

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