Highly selective oxidation of methane to formaldehyde on tungsten trioxide by lattice oxygen

Photocatalytic oxidation of methane into formaldehyde in high yield and selectivity remains a grand challenge due to the ineluctable intermediates. Here, we report that a {001}, {010} and {100} facets modified tungsten trioxide photocatalyst enables an intermediate-free oxidation of methane into for...

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Autores principales:	Yingying Fan, Peiyun Zhang, Rongxia Lu, Yuheng Jiang, Guoliang Pan, Wei Wang, Xianglian Zhu, Shilei Wei, Dongxue Han, Li Niu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Methane Photocatalytic Formaldehyde Tungsten trioxide Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/9de68f7caadb4a22bdb1163613a2e4e7
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spelling	oai:doaj.org-article:9de68f7caadb4a22bdb1163613a2e4e72021-11-16T04:09:18ZHighly selective oxidation of methane to formaldehyde on tungsten trioxide by lattice oxygen1873-390510.1016/j.catcom.2021.106365https://doaj.org/article/9de68f7caadb4a22bdb1163613a2e4e72021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1566736721000881https://doaj.org/toc/1873-3905Photocatalytic oxidation of methane into formaldehyde in high yield and selectivity remains a grand challenge due to the ineluctable intermediates. Here, we report that a {001}, {010} and {100} facets modified tungsten trioxide photocatalyst enables an intermediate-free oxidation of methane into formaldehyde with 99.4% selectivity. A durable formaldehyde yield of 4.61 mmol g−1 can be achieved after irradiation for 30 h. Mechanism studies disclose that surface defect and reactive lattice oxygen atom are crucial for the selectivity and productivity promotion. This work provides a valid paradigm for efficient conversion of methane to formaldehyde.Yingying FanPeiyun ZhangRongxia LuYuheng JiangGuoliang PanWei WangXianglian ZhuShilei WeiDongxue HanLi NiuElsevierarticleMethanePhotocatalyticFormaldehydeTungsten trioxideChemistryQD1-999ENCatalysis Communications, Vol 161, Iss , Pp 106365- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Methane Photocatalytic Formaldehyde Tungsten trioxide Chemistry QD1-999
spellingShingle	Methane Photocatalytic Formaldehyde Tungsten trioxide Chemistry QD1-999 Yingying Fan Peiyun Zhang Rongxia Lu Yuheng Jiang Guoliang Pan Wei Wang Xianglian Zhu Shilei Wei Dongxue Han Li Niu Highly selective oxidation of methane to formaldehyde on tungsten trioxide by lattice oxygen
description	Photocatalytic oxidation of methane into formaldehyde in high yield and selectivity remains a grand challenge due to the ineluctable intermediates. Here, we report that a {001}, {010} and {100} facets modified tungsten trioxide photocatalyst enables an intermediate-free oxidation of methane into formaldehyde with 99.4% selectivity. A durable formaldehyde yield of 4.61 mmol g−1 can be achieved after irradiation for 30 h. Mechanism studies disclose that surface defect and reactive lattice oxygen atom are crucial for the selectivity and productivity promotion. This work provides a valid paradigm for efficient conversion of methane to formaldehyde.
format	article
author	Yingying Fan Peiyun Zhang Rongxia Lu Yuheng Jiang Guoliang Pan Wei Wang Xianglian Zhu Shilei Wei Dongxue Han Li Niu
author_facet	Yingying Fan Peiyun Zhang Rongxia Lu Yuheng Jiang Guoliang Pan Wei Wang Xianglian Zhu Shilei Wei Dongxue Han Li Niu
author_sort	Yingying Fan
title	Highly selective oxidation of methane to formaldehyde on tungsten trioxide by lattice oxygen
title_short	Highly selective oxidation of methane to formaldehyde on tungsten trioxide by lattice oxygen
title_full	Highly selective oxidation of methane to formaldehyde on tungsten trioxide by lattice oxygen
title_fullStr	Highly selective oxidation of methane to formaldehyde on tungsten trioxide by lattice oxygen
title_full_unstemmed	Highly selective oxidation of methane to formaldehyde on tungsten trioxide by lattice oxygen
title_sort	highly selective oxidation of methane to formaldehyde on tungsten trioxide by lattice oxygen
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/9de68f7caadb4a22bdb1163613a2e4e7
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_version_	1718426743243538432

Highly selective oxidation of methane to formaldehyde on tungsten trioxide by lattice oxygen

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