AI Article Synopsis
- Photoelectrochemical (PEC) water splitting is gaining attention for producing hydrogen using solar energy, with tungsten oxide (WO) showing promise as an effective material for photoanodes due to its advantageous properties.
- The study focused on creating periodic nanostructures of WO to improve its PEC performance, achieved through reverse nanoimprint lithography and confirming multilayer stacking of the nanopatterned film.
- The newly fabricated multilayer nanopatterned WO photoanodes demonstrated double the PEC performance compared to traditional planar WO films, thanks to enhanced light absorption and reduced charge transfer resistance.
Article Abstract
Photoelectrochemical (PEC) water splitting has been studied extensively as an environmentally friendly technology for hydrogen production using solar energy. WOis considered a promising semiconducting material for photoanodes due to its high electron mobility, good hole diffusion length, and chemical stability. Periodic nanostructures of WOhave been investigated for enhancing the PEC performance of WO-based photoanodes. In this study, facile fabrication of periodic nanostructures of WOwas achieved using reverse nanoimprint lithography, and the multilayer stacking of nanopatterned WOfilm was also confirmed. The multilayer nanopatterned WOfilms were used as photoanodes for PEC water splitting. The performance of the fabricated photoanode in PEC was 2 times higher than that of planar WOfilm due to its higher light absorbance and lower charge transfer resistance.
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| http://dx.doi.org/10.1088/1361-6528/ac07ce | DOI Listing |
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