One‐Step Hydrothermal Synthesis of a Porous Cu 2 O Film and Its Photoelectrochemical Properties | Zendy

Ji Ran | Zendy; Sun Wendong | Zendy; Chu Ying | Zendy

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One‐Step Hydrothermal Synthesis of a Porous Cu 2 O Film and Its Photoelectrochemical Properties

Author(s) -

Ji Ran,

Sun Wendong,

Chu Ying

Publication year - 2013

Publication title -

chemphyschem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.016

H-Index - 140

eISSN - 1439-7641

pISSN - 1439-4235

DOI - 10.1002/cphc.201300735

Subject(s) - hydrothermal circulation , porosity , hydrothermal synthesis , materials science , chemical engineering , porous medium , photoelectrochemistry , nanotechnology , chemistry , electrochemistry , electrode , composite material , engineering

A cuprous oxide (Cu 2 O) film with a novel porous structure is successfully synthesized on Cu foil by using a simple hydrothermal method. A redox reaction occurs between Cu and Cu 2+ in aqueous solution to form the Cu 2 O film. The porous structures are formed as a result of the Ostwald ripening mechanism. In addition, photoluminescence measurements indicate that the porous Cu 2 O film may reduce the recombination of photogenerated electrons and holes. The UV/Vis absorption property of the porous Cu 2 O film is better than that of the granular Cu 2 O film, and its high photocurrent is expected to make the porous Cu 2 O film more suitable for solar energy applications.

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