Article(id=1319969664004899279, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319969627665445134, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20230336, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1684166400000, receivedDateStr=2023-05-16, revisedDate=1686412800000, revisedDateStr=2023-06-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1792634891749, onlineDateStr=2026-10-22, pubDate=1705680000000, pubDateStr=2024-01-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792634891749, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792634891749, creator=13701087609, updateTime=1792634891749, updator=13701087609, issue=Issue{id=1319969627665445134, tenantId=1146029695717560320, journalId=1263187385517883426, year='2024', volume='52', issue='1', pageStart='1', pageEnd='370', issueExtLink='null', onlineDate='null', pubDate='1705680000000', pubDateStr='2024-01-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792634883085, creator='13701087609', updateTime=1792641944622, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319999245965443838, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319969627665445134, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319999245965443839, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319969627665445134, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=322, endPage=332, ext={EN=ArticleExt(id=1319969664193642960, articleId=1319969664004899279, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Modification Strategy for WO3-Based Photocatalysts, columnId=1263922772401635899, journalTitle=Journal of the Chinese Ceramic Society, columnName=Review, runingTitle=null, highlight=null, articleAbstract=

WO3, a typical transition metal oxide, has attracted great attentions in photocatalysis due to its abundant reserves, environmentally friendly, good physicochemical stability, visible-light response and proper band edge positions, etc.. Nevertheless, several drawbacks such as the low utilization of solar energy, high charge carrier recombination rate, weak reduction ability and limited reactive sites lead to a poor photoactivity, thus restricting the industrial application. Various modification strategies are explored and utilized to promote the photocatalytic activity. It is thus necessary to review recent development on WO3-based photocatalysts that might provide a general guidance for designing high-efficient WO3 catalyst systems.

Morphology control can tailor WO3 nanomaterials to expose a highly active crystal plane, which is beneficial for reactivity. Low-dimensional nanomaterials possess the larger surface area and large quantity of unsaturated coordination sites, then accelerates the surface reaction. The charge carrier migration efficiency can be increased in a small size of catalysts due to the limited transportation distance. However, the preparation of low-dimensional WO3 with a precise structure and a stable crystal plane is an obstacle.

Oxygen vacancy in WO3 materials can capture the photoinduced electrons and hence suppress the recombination of electron-hole pairs. Moreover, the creation of oxygen affects the band structure that can broaden the light absorption and enhance the redox ability. Nevertheless, excessive oxygen vacancy may induce the structural instability. Thus, the precise control of oxygen vacancy in WO3 is the key point.

Metal or non-metal doping can induce the lattice distortion and then affect the physicochemical properties of semiconductor. Doping element acts as an electron acceptor that contributes to the ultrafast charge separation. Also, the introduction of impurity energy level favors the reduction of energy band. The more comprehensive understanding of the reactive sites in doping catalysts still needs further exploitation.

Loading co-catalyst in WO3 benefits for charge carrier separation and migration. Metal co-catalyst can increase the solar energy utilization resulting from its localized surface plasmon resonance effect. The current common co-catalysts focus on noble metal that is high cost. The pursuit of abundant reserves materials is highly desired for commercial application.

The construction of II-type, Z-type and S-type WO3-based heterojunctions is an effective strategy for solving the problems of single materials. The charge carriers in II-type heterojunction tend to transfer from agreatability of positions to the low positions, which are beneficial for spatial separation of electron-hole pairs, but the redox ability weakens. The unique merit in Z-scheme and S-scheme heterojunction is an intense redox ability maintained in separate components, thus triggering the unique photoreaction.

Summary and prospects

WO3, as a typical oxidation photocatalysts, had some advantages such as visible light harnessing, suitable band edge position, good physicochemical stability, cost benefit and environmental friendliness. It was widely utilized in various photocatalytic areas like pollutant removal, water splitting, CO2 photoreduction and nitrogen fixation. This review summarized the developed modification strategy for improving the photocatalytic performance of WO3 nanomaterials in recent years, i.e., morphology regulation, oxygen vacancy regulation, element doping, cocatalyst loading, and construction of heterojunctions. Through these modification approaches, the band structure could be modulated and then increase the solar energy utilization. The spatial separation of electron-hole pairs could be thus accelerated. And electrons and holes with an intense redox ability could participate into the catalytic reactions. Besides, the surface structure and interfacial structure could be regulated, exposing themore unsaturated coordination sites and thereby accelerating the surface reaction. Despite the tremendous progress, further improvements are still urgently required to satisfy the industrial application.

The cost-effective and large-scale preparation of WO3 nanomaterials with uniform size and unique structure is always a challenge. The understanding of the actual reactive sites in WO3 is important for getting insights into the structure-reactivity correlations. The synchrotron radiation and in-situ spectroscopy, the structural configurations for catalysts and the formation of intermediates during photoreaction could be monitored by some advanced characterizations like environmental transmission electron microscope, and aberration scanning transmission electron microscope. Combining the simulation with the related experiments could favor the in-depth understanding the mechanism during photocatalysis including reactant adsorption, diffusion and surface reaction, along with the charge carrier kinetics composed of light excitation, carrier migration and reaction barrier. These key points are crucial for designing high-efficient photocatalytic systems.

, authors=Wanying LEI, Liang ZHAO, Tong ZHOU, Shixiang XUE, Pan WU, Xinxin YANG, Ziqiang TAN, authorsList=Wanying LEI, Liang ZHAO, Tong ZHOU, Shixiang XUE, Pan WU, Xinxin YANG, Ziqiang TAN, authorCompany=null, correspAuthors=null, authorNote=

LEI Wanying (1991-), female, Ph.D., Associate Professor. E-mail:

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WO3是一种典型的过渡金属氧化物,具有储量丰富、绿色环保、稳定性好、可见光响应和合适的能带结构等特性,在光催化领域有广阔的应用前景,但是较低的太阳能利用率、较高的载流子复合率、弱的还原能力和活性位点密度低等缺点导致其性能较低,从而极大限制了其实际应用。本文综述了近年来WO3光催化材料的改性策略,包括形貌调控、氧空位调控、元素掺杂、助催化剂负载、构建异质结等。最后讨论了WO3材料现阶段的制约点和其在未来能源转化领域的发展方向。

, authors=雷琬莹, 赵亮, 周彤, 薛世翔, 吴攀, 杨鑫鑫, 谭自强, authorsList=雷琬莹, 赵亮, 周彤, 薛世翔, 吴攀, 杨鑫鑫, 谭自强, authorCompany=null, correspAuthors=null, authorNote=

雷琬莹(1991—),女,博士,副教授。

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WO3基光催化剂的改性策略现状与展望
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雷琬莹 , 赵亮 , 周彤 , 薛世翔 , 吴攀 , 杨鑫鑫 , 谭自强
硅酸盐学报 | 综合评述 2024,52(1): 322-332
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硅酸盐学报 |综合评述 2024 , 52 (1) : 322 -332
WO3基光催化剂的改性策略现状与展望
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雷琬莹 , 赵亮, 周彤, 薛世翔, 吴攀, 杨鑫鑫, 谭自强
作者信息
  • 西安建筑科技大学材料科学与工程学院,西安 710055
作者简介:

雷琬莹(1991—),女,博士,副教授。

Modification Strategy for WO3-Based Photocatalysts
Wanying LEI , Liang ZHAO, Tong ZHOU, Shixiang XUE, Pan WU, Xinxin YANG, Ziqiang TAN
Affiliations
  • College of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
  • LEI Wanying (1991-), female, Ph.D., Associate Professor. E-mail:

出版时间: 2024-01-20 doi: 10.14062/j.issn.0454-5648.20230336
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WO3是一种典型的过渡金属氧化物,具有储量丰富、绿色环保、稳定性好、可见光响应和合适的能带结构等特性,在光催化领域有广阔的应用前景,但是较低的太阳能利用率、较高的载流子复合率、弱的还原能力和活性位点密度低等缺点导致其性能较低,从而极大限制了其实际应用。本文综述了近年来WO3光催化材料的改性策略,包括形貌调控、氧空位调控、元素掺杂、助催化剂负载、构建异质结等。最后讨论了WO3材料现阶段的制约点和其在未来能源转化领域的发展方向。

三氧化钨  /  纳米材料  /  光催化性能  /  改性策略

WO3, a typical transition metal oxide, has attracted great attentions in photocatalysis due to its abundant reserves, environmentally friendly, good physicochemical stability, visible-light response and proper band edge positions, etc.. Nevertheless, several drawbacks such as the low utilization of solar energy, high charge carrier recombination rate, weak reduction ability and limited reactive sites lead to a poor photoactivity, thus restricting the industrial application. Various modification strategies are explored and utilized to promote the photocatalytic activity. It is thus necessary to review recent development on WO3-based photocatalysts that might provide a general guidance for designing high-efficient WO3 catalyst systems.

Morphology control can tailor WO3 nanomaterials to expose a highly active crystal plane, which is beneficial for reactivity. Low-dimensional nanomaterials possess the larger surface area and large quantity of unsaturated coordination sites, then accelerates the surface reaction. The charge carrier migration efficiency can be increased in a small size of catalysts due to the limited transportation distance. However, the preparation of low-dimensional WO3 with a precise structure and a stable crystal plane is an obstacle.

Oxygen vacancy in WO3 materials can capture the photoinduced electrons and hence suppress the recombination of electron-hole pairs. Moreover, the creation of oxygen affects the band structure that can broaden the light absorption and enhance the redox ability. Nevertheless, excessive oxygen vacancy may induce the structural instability. Thus, the precise control of oxygen vacancy in WO3 is the key point.

Metal or non-metal doping can induce the lattice distortion and then affect the physicochemical properties of semiconductor. Doping element acts as an electron acceptor that contributes to the ultrafast charge separation. Also, the introduction of impurity energy level favors the reduction of energy band. The more comprehensive understanding of the reactive sites in doping catalysts still needs further exploitation.

Loading co-catalyst in WO3 benefits for charge carrier separation and migration. Metal co-catalyst can increase the solar energy utilization resulting from its localized surface plasmon resonance effect. The current common co-catalysts focus on noble metal that is high cost. The pursuit of abundant reserves materials is highly desired for commercial application.

The construction of II-type, Z-type and S-type WO3-based heterojunctions is an effective strategy for solving the problems of single materials. The charge carriers in II-type heterojunction tend to transfer from agreatability of positions to the low positions, which are beneficial for spatial separation of electron-hole pairs, but the redox ability weakens. The unique merit in Z-scheme and S-scheme heterojunction is an intense redox ability maintained in separate components, thus triggering the unique photoreaction.

Summary and prospects

WO3, as a typical oxidation photocatalysts, had some advantages such as visible light harnessing, suitable band edge position, good physicochemical stability, cost benefit and environmental friendliness. It was widely utilized in various photocatalytic areas like pollutant removal, water splitting, CO2 photoreduction and nitrogen fixation. This review summarized the developed modification strategy for improving the photocatalytic performance of WO3 nanomaterials in recent years, i.e., morphology regulation, oxygen vacancy regulation, element doping, cocatalyst loading, and construction of heterojunctions. Through these modification approaches, the band structure could be modulated and then increase the solar energy utilization. The spatial separation of electron-hole pairs could be thus accelerated. And electrons and holes with an intense redox ability could participate into the catalytic reactions. Besides, the surface structure and interfacial structure could be regulated, exposing themore unsaturated coordination sites and thereby accelerating the surface reaction. Despite the tremendous progress, further improvements are still urgently required to satisfy the industrial application.

The cost-effective and large-scale preparation of WO3 nanomaterials with uniform size and unique structure is always a challenge. The understanding of the actual reactive sites in WO3 is important for getting insights into the structure-reactivity correlations. The synchrotron radiation and in-situ spectroscopy, the structural configurations for catalysts and the formation of intermediates during photoreaction could be monitored by some advanced characterizations like environmental transmission electron microscope, and aberration scanning transmission electron microscope. Combining the simulation with the related experiments could favor the in-depth understanding the mechanism during photocatalysis including reactant adsorption, diffusion and surface reaction, along with the charge carrier kinetics composed of light excitation, carrier migration and reaction barrier. These key points are crucial for designing high-efficient photocatalytic systems.

tungsten oxide  /  nanostructures  /  photoreactivity  /  modification strategy
雷琬莹, 赵亮, 周彤, 薛世翔, 吴攀, 杨鑫鑫, 谭自强. WO3基光催化剂的改性策略现状与展望. 硅酸盐学报, 2024 , 52 (1) : 322 -332 . DOI: 10.14062/j.issn.0454-5648.20230336
Wanying LEI, Liang ZHAO, Tong ZHOU, Shixiang XUE, Pan WU, Xinxin YANG, Ziqiang TAN. Modification Strategy for WO3-Based Photocatalysts[J]. Journal of the Chinese Ceramic Society, 2024 , 52 (1) : 322 -332 . DOI: 10.14062/j.issn.0454-5648.20230336
  • 国家自然科学基金项目(51902443)
  • 陕西省教育厅重点科研计划项目(22JY039)
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doi: 10.14062/j.issn.0454-5648.20230336
  • 接收时间:2023-05-16
  • 首发时间:2026-10-22
  • 出版时间:2024-01-20
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  • 收稿日期:2023-05-16
  • 修回日期:2023-06-11
基金
国家自然科学基金项目(51902443)
陕西省教育厅重点科研计划项目(22JY039)
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    西安建筑科技大学材料科学与工程学院,西安 710055
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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