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A full-sunlight-driven photocatalyst with super long-persistent energy storage ability
Last edited Tue Aug 13, 2013, 05:11 PM - Edit history (2)
http://dx.doi.org/10.1038/srep02409[font face=Serif][font size=5]A full-sunlight-driven photocatalyst with super long-persistent energy storage ability[/font]
Jie Li, Yuan Liu, Zhijian Zhu, Guozhu Zhang, Tao Zou, Zhijun Zou, Shunping Zhang, Dawen Zeng & Changsheng Xie
…
Scientific Reports 3, Article number: 2409 | doi:10.1038/srep02409
Received 08 April 2013 | Accepted 22 July 2013 | Published 12 August 2013
[font size=4]A major drawback of traditional photocatalysts like TiO[font size="1"]2[/font] is that they can only work under illumination, and the light has to be UV. As a solution for this limitation, visible-light-driven energy storage photocatalysts have been developed in recent years. However, energy storage photocatalysts that are full-sunlight-driven (UV-visible-NIR) and possess long-lasting energy storage ability are lacking. Here we report, a Pt-loaded and hydrogen-treated WO[font size="1"]3[/font] that exhibits a strong absorption at full-sunlight spectrum (300–1,000 nm), and with a super-long energy storage time of more than 300 h to have formaldehyde degraded in dark. In this new material system, the hydrogen treated WO[font size="1"]3[/font] functions as the light harvesting material and energy storage material simultaneously, while Pt mainly acts as the cocatalyst to have the energy storage effect displayed. The extraordinary full-spectrum absorption effect and long persistent energy storage ability make the material a potential solar-energy storage and an effective photocatalyst in practice.[/font]
[font size=3]…[/font][/font]
Jie Li, Yuan Liu, Zhijian Zhu, Guozhu Zhang, Tao Zou, Zhijun Zou, Shunping Zhang, Dawen Zeng & Changsheng Xie
…
Scientific Reports 3, Article number: 2409 | doi:10.1038/srep02409
Received 08 April 2013 | Accepted 22 July 2013 | Published 12 August 2013
[font size=4]A major drawback of traditional photocatalysts like TiO[font size="1"]2[/font] is that they can only work under illumination, and the light has to be UV. As a solution for this limitation, visible-light-driven energy storage photocatalysts have been developed in recent years. However, energy storage photocatalysts that are full-sunlight-driven (UV-visible-NIR) and possess long-lasting energy storage ability are lacking. Here we report, a Pt-loaded and hydrogen-treated WO[font size="1"]3[/font] that exhibits a strong absorption at full-sunlight spectrum (300–1,000 nm), and with a super-long energy storage time of more than 300 h to have formaldehyde degraded in dark. In this new material system, the hydrogen treated WO[font size="1"]3[/font] functions as the light harvesting material and energy storage material simultaneously, while Pt mainly acts as the cocatalyst to have the energy storage effect displayed. The extraordinary full-spectrum absorption effect and long persistent energy storage ability make the material a potential solar-energy storage and an effective photocatalyst in practice.[/font]
[font size=3]…[/font][/font]