Publications by authors named "Yan-Syun Huang"
Photoelectrochemical Enhancement of CuO by a CuTe Hole Transmission Interlayer.
ACS Appl Mater Interfaces
November 2022
Article Synopsis
- Cuprous oxide (CuO) films are created on fluorinated tin oxide (FTO) substrates with specific crystal orientations, achieving a transformation in morphology from pyramid to cuboidal shapes with higher current densities.
- The cuboidal crystallites, featuring (100) and (111) surfaces, show enhanced photoelectrochemical properties compared to the original pyramid shape.
- Introducing a copper(I) telluride (CuTe) layer boosts photocurrent density by 70% in certain conditions, primarily by improving the separation and flow of charge carriers in the CuO film.
Cuprous oxide (CuO) that has a direct bandgap corresponding to visible-light absorption exhibits versatile functionalities, which are appealing to solar cell, photocatalyst, bio-sensing and water splitting applications. However, photolysis stability has long been a problem for CuO under light exposure and a humid environment. Here, we found that the CuO layer grown on Cu nanowires (CuNWs) with high-density nanoscale twin boundaries can maintain the integrity of Cu/CuO core-shell structure under ambient air conditions for more than one year.
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