Article(id=1297161221699032062, tenantId=1146029695717560320, journalId=1296125381406982186, issueId=1297161216049308076, articleNumber=null, orderNo=null, doi=10.13550/j.jxhg.20250294, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1745683200000, receivedDateStr=2025-04-27, revisedDate=null, revisedDateStr=null, acceptedDate=1747584000000, acceptedDateStr=2025-05-19, onlineDate=1787196935343, onlineDateStr=2026-08-20, pubDate=1778774400000, pubDateStr=2026-05-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1787196935343, onlineIssueDateStr=2026-08-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1787196935343, creator=13701087609, updateTime=1787196935343, updator=13701087609, issue=Issue{id=1297161216049308076, tenantId=1146029695717560320, journalId=1296125381406982186, year='2026', volume='43', issue='5', pageStart='929', pageEnd='1184', issueExtLink='null', onlineDate='null', pubDate='1778774400000', pubDateStr='2026-05-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1787196933996, creator='13701087609', updateTime=1787202244949, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1297183491922354645, tenantId=1146029695717560320, journalId=1296125381406982186, issueId=1297161216049308076, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1297183491922354646, tenantId=1146029695717560320, journalId=1296125381406982186, issueId=1297161216049308076, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=990, endPage=997, ext={EN=ArticleExt(id=1297161221858415615, articleId=1297161221699032062, tenantId=1146029695717560320, journalId=1296125381406982186, language=EN, title=Preparation and thermochromic behavior of palygorskite/Cr-doped BiVO4 composite materials, columnId=null, journalTitle=Fine Chemicals, columnName=null, runingTitle=null, highlight=null, articleAbstract=

A series of Cr3+ doped BiVO4 (Cr-BiVO4) and palygorskite (PGS)/Cr-BiVO4 composite materials were prepared by hydrothermal method using Bi(NO3)3•5H2O, NH4VO3, Cr2O3 and PGS as raw materials, and characterized by XRD, SEM, TEM and UV-Vis for analyses on structure, composition, morphology and optical performance. The thermochromic behavior of the composite materials was evaluated, with the color change mechanism speculated. The results indicated that the doping of Cr3+and PGS showed no effect on the monoclinic phase of BiVO4 but widened the absorption range of the material in the visible light region. The maximum absorption edge of 30% Cr-BiVO4 with a Cr3+ doping content (based on the mass of BiVO4, the same below) redshifted from 536 nm to 634 nm and the absorbance was enhanced. Both Cr-BiVO4 and PGS/Cr-BiVO4 displayed reversible thermochromic properties at 20~500 ℃. Compared with that of BiVO4 (from bright yellow to red, r.t.~300 ℃), the color changing temperature of 30% Cr-BiVO4 decreased 100 ℃ and achieved reversible change between dark orange and red at r.t.~200 ℃. 30% Cr-BiVO4 could repeat reversible thermochromic behavior more than 12 times at 20~500 ℃. Meanwhile, the water-based coating from 20% PGS/30% Cr-BiVO4 composite materials prepared with 20% mass fraction of PGS exhibited reversible thermochromic between orange yellow to red. The phase transition between the monoclinic and tetragonal phases of BiVO4 in the composite material was the fundamental cause for its reversible thermochromic property.

, authors=Danfeng YU1, Xueli SONG1, Xue'e MA1, Yue CHANG1, 2, 3, *, Fei ZHA1, authorsList=Danfeng YU, Xueli SONG, Xue'e MA, Yue CHANG, Fei ZHA, authorCompany=null, correspAuthors=Yue CHANG, authorNote=null, correspAuthorsNote=null, 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=1297161222210736128, articleId=1297161221699032062, tenantId=1146029695717560320, journalId=1296125381406982186, language=CN, title=坡缕石/Cr掺杂BiVO4复合材料的制备及热致变色行为, columnId=1297161221933913088, journalTitle=精细化工, columnName=功能材料, runingTitle=null, highlight=null, articleAbstract=

以Bi(NO3)3•5H2O、NH4VO3、Cr2O3和坡缕石(PGS)为原料,通过水热法制备了一系列Cr3+掺杂BiVO4(Cr-BiVO4)和PGS/Cr-BiVO4复合材料。采用XRD、SEM、TEM、UV-Vis对样品结构组成、微观形貌、光学性能进行了表征,考察了复合材料的热致变色行为,并推测了其机理。结果表明,Cr3+、PGS的掺杂对BiVO4的单斜晶相无影响,拓宽了其在可见光区的吸收区域,Cr3+掺杂量(以BiVO4质量计,下同)30%的Cr-BiVO4(30% Cr-BiVO4)最大吸收边缘从水热法BiVO4的536 nm移至634 nm,并且吸光度增强。在20~500 ℃,Cr-BiVO4、PGS/Cr-BiVO4均具有可逆热致变色性能,相比BiVO4在室温~300 ℃的亮黄色与红色的可逆变化,30% Cr-BiVO4热致变红色的温度降低了100 ℃,在室温~200 ℃实现了深橙色与红色的可逆变化,20~500 ℃可重复12次以上可逆热致变色行为。PGS质量分数20%的20% PGS/30% Cr-BiVO4复合材料的水性涂层在浅橙黄色与红色可逆变色。复合材料中BiVO4单斜相与四方相间的相变是引起其可逆热致变色的根本原因。

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余丹凤(2000—),女,硕士生,E-mail:

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常玥(1970—),女,教授,E-mail:
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坡缕石/Cr掺杂BiVO4复合材料的制备及热致变色行为
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余丹凤 1 , 宋雪丽 1 , 马雪娥 1 , 常玥 1, 2, 3, * , 查飞 1
精细化工 | 功能材料 2026,43(5): 990-997
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精细化工 |功能材料 2026 , 43 (5) : 990 -997
坡缕石/Cr掺杂BiVO4复合材料的制备及热致变色行为
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2.生态功能高分子材料教育部重点实验室,甘肃 兰州 730070
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余丹凤1 , 宋雪丽1, 马雪娥1, 常玥1, 2, 3, * , 查飞1
作者信息
  • 1.西北师范大学 化学化工学院,甘肃 兰州 730070
  • 2.生态功能高分子材料教育部重点实验室,甘肃 兰州 730070
  • 3.甘肃省高分子材料重点实验室,甘肃 兰州 730070
通讯作者:
常玥(1970—),女,教授,E-mail:
作者简介:

余丹凤(2000—),女,硕士生,E-mail:

Preparation and thermochromic behavior of palygorskite/Cr-doped BiVO4 composite materials
Danfeng YU1 , Xueli SONG1, Xue'e MA1, Yue CHANG1, 2, 3, * , Fei ZHA1
Affiliations
  • 1.College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou 730070, Gansu, China
  • 2.Key Laboratory of Eco-functional Polymer Materials of the Ministry of Education, Lanzhou 730070, Gansu, China
  • 3.Key Laboratory of Polymer Materials of Gansu Province, Lanzhou 730070, Gansu, China
出版时间: 2026-05-15 doi: 10.13550/j.jxhg.20250294
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以Bi(NO3)3•5H2O、NH4VO3、Cr2O3和坡缕石(PGS)为原料,通过水热法制备了一系列Cr3+掺杂BiVO4(Cr-BiVO4)和PGS/Cr-BiVO4复合材料。采用XRD、SEM、TEM、UV-Vis对样品结构组成、微观形貌、光学性能进行了表征,考察了复合材料的热致变色行为,并推测了其机理。结果表明,Cr3+、PGS的掺杂对BiVO4的单斜晶相无影响,拓宽了其在可见光区的吸收区域,Cr3+掺杂量(以BiVO4质量计,下同)30%的Cr-BiVO4(30% Cr-BiVO4)最大吸收边缘从水热法BiVO4的536 nm移至634 nm,并且吸光度增强。在20~500 ℃,Cr-BiVO4、PGS/Cr-BiVO4均具有可逆热致变色性能,相比BiVO4在室温~300 ℃的亮黄色与红色的可逆变化,30% Cr-BiVO4热致变红色的温度降低了100 ℃,在室温~200 ℃实现了深橙色与红色的可逆变化,20~500 ℃可重复12次以上可逆热致变色行为。PGS质量分数20%的20% PGS/30% Cr-BiVO4复合材料的水性涂层在浅橙黄色与红色可逆变色。复合材料中BiVO4单斜相与四方相间的相变是引起其可逆热致变色的根本原因。

BiVO4  /  Cr3+掺杂  /  可逆热致变色  /  坡缕石  /  复合材料  /  功能材料

A series of Cr3+ doped BiVO4 (Cr-BiVO4) and palygorskite (PGS)/Cr-BiVO4 composite materials were prepared by hydrothermal method using Bi(NO3)3•5H2O, NH4VO3, Cr2O3 and PGS as raw materials, and characterized by XRD, SEM, TEM and UV-Vis for analyses on structure, composition, morphology and optical performance. The thermochromic behavior of the composite materials was evaluated, with the color change mechanism speculated. The results indicated that the doping of Cr3+and PGS showed no effect on the monoclinic phase of BiVO4 but widened the absorption range of the material in the visible light region. The maximum absorption edge of 30% Cr-BiVO4 with a Cr3+ doping content (based on the mass of BiVO4, the same below) redshifted from 536 nm to 634 nm and the absorbance was enhanced. Both Cr-BiVO4 and PGS/Cr-BiVO4 displayed reversible thermochromic properties at 20~500 ℃. Compared with that of BiVO4 (from bright yellow to red, r.t.~300 ℃), the color changing temperature of 30% Cr-BiVO4 decreased 100 ℃ and achieved reversible change between dark orange and red at r.t.~200 ℃. 30% Cr-BiVO4 could repeat reversible thermochromic behavior more than 12 times at 20~500 ℃. Meanwhile, the water-based coating from 20% PGS/30% Cr-BiVO4 composite materials prepared with 20% mass fraction of PGS exhibited reversible thermochromic between orange yellow to red. The phase transition between the monoclinic and tetragonal phases of BiVO4 in the composite material was the fundamental cause for its reversible thermochromic property.

BiVO4  /  Cr3+ doping  /  reversible thermochromism  /  palygorskite  /  composite materials  /  functional materials
余丹凤, 宋雪丽, 马雪娥, 常玥, 查飞. 坡缕石/Cr掺杂BiVO4复合材料的制备及热致变色行为. 精细化工, 2026 , 43 (5) : 990 -997 . DOI: 10.13550/j.jxhg.20250294
Danfeng YU, Xueli SONG, Xue'e MA, Yue CHANG, Fei ZHA. Preparation and thermochromic behavior of palygorskite/Cr-doped BiVO4 composite materials[J]. Fine Chemicals, 2026 , 43 (5) : 990 -997 . DOI: 10.13550/j.jxhg.20250294
  • 国家自然科学基金项目(21865031)
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doi: 10.13550/j.jxhg.20250294
  • 接收时间:2025-04-27
  • 首发时间:2026-08-20
  • 出版时间:2026-05-15
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  • 收稿日期:2025-04-27
  • 录用日期:2025-05-19
基金
国家自然科学基金项目(21865031)
作者信息
    1.西北师范大学 化学化工学院,甘肃 兰州 730070
    2.生态功能高分子材料教育部重点实验室,甘肃 兰州 730070
    3.甘肃省高分子材料重点实验室,甘肃 兰州 730070

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常玥(1970—),女,教授,E-mail:
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2种不同金属材料的力学参数

Family
属数
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genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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