Article(id=1322943774980178128, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942592224211277, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200462, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1592236800000, receivedDateStr=2020-06-16, revisedDate=1595174400000, revisedDateStr=2020-07-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343975061, onlineDateStr=2026-10-30, pubDate=1621440000000, pubDateStr=2021-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343975061, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343975061, creator=13701087609, updateTime=1793343975061, updator=13701087609, issue=Issue{id=1322942592224211277, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='5', pageStart='807', pageEnd='1032', issueExtLink='null', onlineDate='null', pubDate='1621440000000', pubDateStr='2021-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343693071, creator='13701087609', updateTime=1793345545174, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322950360561754466, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942592224211277, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322950360565948771, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942592224211277, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1025, endPage=1032, ext={EN=ArticleExt(id=1322943775726764241, articleId=1322943774980178128, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Photocatalytic Reduction of U(VI) with Cu-doped Bi2WO6, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=

Cu-doped Bi2WO6 nanomaterials (Cu/Bi2WO6) were prepared by a hydrothermal method. The structures of Cu/Bi2WO6 nanomaterials were characterized by scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, UV-Vis diffuse reflectance spectroscopy and electrochemical impedance spectroscopy. The photocatalytic activities were examined through the photocatalytic reduction of U(VI) under visible light irradiation. The results show that Cu-doped Bi2WO6 samples exhibit much higher photocatalytic activity than pure Bi2WO6 for reduction of U(VI) under visible light irradiation. It is also revealed that 10% Cu/Bi2WO6 sample exhibits the optimum photocatalytic activities in the reduction of U(VI), The enhanced photocatalytic activity of Cu/Bi2WO6 materials are attributed to the increased transmission rate and reduced recombination rate of photogenerated electron-hole by Cu doping on BiWO6. Also, Cu doping reduces the Bi2WO6 band gap and expands the response range to visible light, thus improving the activity of Cu/Bi2WO6 photocatalyst. Cu doped Bi2WO6 materials have considerable potential applications in solar-driven treatment of wastewater with U(VI).

, authors=Xiaoyan LI, Yang WANG, Dengwu HE, Yujie CHEN, Xiaogang CAO, Yibao LIU, authorsList=Xiaoyan LI, Yang WANG, Dengwu HE, Yujie CHEN, Xiaogang CAO, Yibao LIU, authorCompany=null, correspAuthors=Yibao LIU, authorNote=

LI Xiaoyan(1974-), female, Ph.D., Professor. E-mail:

, correspAuthorsNote=
LIU Yibao(1967-), male, Ph.D., Professor. E-mail:
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322943776276218066, articleId=1322943774980178128, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=Cu掺杂Bi2WO6的光催化还原U(VI)特性, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

以Cu(NO3)2·3H2O为铜源,采用水热法制备了不同Cu掺杂量的Bi2WO6光催化材料,用扫描电镜、X射线衍射、X射线光电子能谱、紫外可见漫反射、电化学阻抗等表征手段对材料进行表征与分析,并以金卤灯为光源,U(VI)为目标污染物,进行光催化还原U(VI)的性能研究。结果表明:与纯Bi2WO6相比,Cu/Bi2WO6材料具有较高的活性;当Cu掺杂量为10%时,Cu/Bi2WO6纳米材料的光催化活性最好,对U(VI)的去除率可达94%左右。Cu/Bi2WO6材料光催化活性增强归因于Cu的掺杂提高了光生电子-空穴的传输速率,降低了其复合率;Cu掺杂使Bi2WO6带隙变小,扩大对可见光的响应范围,从而提高了Cu/Bi2WO6光催化剂的活性。铜掺杂的Bi2WO6纳米材料在太阳能驱动处理含U(VI)废水中具有广阔的应用前景。

, authors=李小燕, 王杨, 何登武, 陈玉洁, 曹小岗, 刘义保, authorsList=李小燕, 王杨, 何登武, 陈玉洁, 曹小岗, 刘义保, authorCompany=null, correspAuthors=刘义保, authorNote=

李小燕(1974—),女,博士,教授。

, correspAuthorsNote=
刘义保(1967—),男,博士,教授。
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Cu掺杂Bi2WO6的光催化还原U(VI)特性
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李小燕 , 王杨 , 何登武 , 陈玉洁 , 曹小岗 , 刘义保
硅酸盐学报 | 研究论文 2021,49(5): 1025-1032
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硅酸盐学报 |研究论文 2021 , 49 (5) : 1025 -1032
Cu掺杂Bi2WO6的光催化还原U(VI)特性
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李小燕 , 王杨, 何登武, 陈玉洁, 曹小岗, 刘义保
作者信息
  • 东华理工大学,核资源与环境国家重点实验室,南昌 330013
通讯作者:
刘义保(1967—),男,博士,教授。
作者简介:

李小燕(1974—),女,博士,教授。

Photocatalytic Reduction of U(VI) with Cu-doped Bi2WO6
Xiaoyan LI , Yang WANG, Dengwu HE, Yujie CHEN, Xiaogang CAO, Yibao LIU
Affiliations
  • State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
  • Corresponding Author:
    LIU Yibao(1967-), male, Ph.D., Professor. E-mail:

    LI Xiaoyan(1974-), female, Ph.D., Professor. E-mail:

出版时间: 2021-05-20 doi: 10.14062/j.issn.0454-5648.20200462
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以Cu(NO3)2·3H2O为铜源,采用水热法制备了不同Cu掺杂量的Bi2WO6光催化材料,用扫描电镜、X射线衍射、X射线光电子能谱、紫外可见漫反射、电化学阻抗等表征手段对材料进行表征与分析,并以金卤灯为光源,U(VI)为目标污染物,进行光催化还原U(VI)的性能研究。结果表明:与纯Bi2WO6相比,Cu/Bi2WO6材料具有较高的活性;当Cu掺杂量为10%时,Cu/Bi2WO6纳米材料的光催化活性最好,对U(VI)的去除率可达94%左右。Cu/Bi2WO6材料光催化活性增强归因于Cu的掺杂提高了光生电子-空穴的传输速率,降低了其复合率;Cu掺杂使Bi2WO6带隙变小,扩大对可见光的响应范围,从而提高了Cu/Bi2WO6光催化剂的活性。铜掺杂的Bi2WO6纳米材料在太阳能驱动处理含U(VI)废水中具有广阔的应用前景。

钨酸铋  /  光催化  /  还原  /  铀  /  环境材料

Cu-doped Bi2WO6 nanomaterials (Cu/Bi2WO6) were prepared by a hydrothermal method. The structures of Cu/Bi2WO6 nanomaterials were characterized by scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, UV-Vis diffuse reflectance spectroscopy and electrochemical impedance spectroscopy. The photocatalytic activities were examined through the photocatalytic reduction of U(VI) under visible light irradiation. The results show that Cu-doped Bi2WO6 samples exhibit much higher photocatalytic activity than pure Bi2WO6 for reduction of U(VI) under visible light irradiation. It is also revealed that 10% Cu/Bi2WO6 sample exhibits the optimum photocatalytic activities in the reduction of U(VI), The enhanced photocatalytic activity of Cu/Bi2WO6 materials are attributed to the increased transmission rate and reduced recombination rate of photogenerated electron-hole by Cu doping on BiWO6. Also, Cu doping reduces the Bi2WO6 band gap and expands the response range to visible light, thus improving the activity of Cu/Bi2WO6 photocatalyst. Cu doped Bi2WO6 materials have considerable potential applications in solar-driven treatment of wastewater with U(VI).

bismuth tungstate  /  photocatalytic  /  reduction  /  uranium  /  ecomaterials
李小燕, 王杨, 何登武, 陈玉洁, 曹小岗, 刘义保. Cu掺杂Bi2WO6的光催化还原U(VI)特性. 硅酸盐学报, 2021 , 49 (5) : 1025 -1032 . DOI: 10.14062/j.issn.0454-5648.20200462
Xiaoyan LI, Yang WANG, Dengwu HE, Yujie CHEN, Xiaogang CAO, Yibao LIU. Photocatalytic Reduction of U(VI) with Cu-doped Bi2WO6[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (5) : 1025 -1032 . DOI: 10.14062/j.issn.0454-5648.20200462
  • 江西省自然科学基金(20171ACB2021)
  • 国家自然科学基金(41761090; 11465002)
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2021年第49卷第5期
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doi: 10.14062/j.issn.0454-5648.20200462
  • 接收时间:2020-06-16
  • 首发时间:2026-10-30
  • 出版时间:2021-05-20
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  • 收稿日期:2020-06-16
  • 修回日期:2020-07-20
基金
江西省自然科学基金(20171ACB2021)
国家自然科学基金(41761090; 11465002)
作者信息
    东华理工大学,核资源与环境国家重点实验室,南昌 330013

通讯作者:

刘义保(1967—),男,博士,教授。
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2种不同金属材料的力学参数
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属数
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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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