Article(id=1319239206161986454, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236892848148894, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220402, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1652716800000, receivedDateStr=2022-05-17, revisedDate=1654704000000, revisedDateStr=2022-06-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1792460737027, onlineDateStr=2026-10-20, pubDate=1668873600000, pubDateStr=2022-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792460737027, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792460737027, creator=13701087609, updateTime=1792460737027, updator=13701087609, issue=Issue{id=1319236892848148894, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='11', pageStart='2809', pageEnd='3090', issueExtLink='null', onlineDate='null', pubDate='1668873600000', pubDateStr='2022-11-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792460185491, creator='13701087609', updateTime=1792460700564, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319239053275411177, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236892848148894, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319239053275411178, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236892848148894, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2951, endPage=2958, ext={EN=ArticleExt(id=1319239206417838999, articleId=1319239206161986454, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Monoethanolamine-Intensified Dissociation of WO3·H2O Microplates to Fabricate Flexible WOx Electrochromic Devices, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

WO3 electrochromic devices (ECDs) with the short response time and high optical contrast show great application potentials in car rearview mirrors and smart windows. With the rapid development of wearable electronics, the fabrication of flexible WO3 films for bendable ECDs has attracted much attention. However, the fabrication of flexible crystalline WO3 films generally requires a sophisticated vacuum vapor deposition technique, including magnetron sputtering and electron-beam deposition due to the high crystallization temperature of WO3 and the limited endurable temperature of polymer substrates. The dense WO3 layers on polymer substrates affect the facile access of electrolyte and fast intercalation/deintercalation of electrolyte ions. In this paper, well-crystallized WO3·H2O microplate powders were pre-synthesized by a chemical reflux method. Monoethanolamine was utilized to intensively dissociate WO3·H2O microplates into a well-dispersed colloidal solution. The flexible nanocrystalline WOx/polyethylene terephthalate films were fabricated via spin coating deposition and assembled into the flexible ECDs. The accumulated charge repulsion provided by the intense interfacial interaction between amine group and WO3·H2O microplates results in their fast dissociation. The fabricated flexible crystalline WOx electrochromic devices have short coloring and bleaching time of 5.9 s and 5.4 s, respectively, and a coloring efficiency of 146.7 cm2/C, and still exhibit the superior performance after 200 bending cycles.

, authors=Juxuan DING, Shicheng CAO, Afei LI, Can WANG, Chengzhi HU, Zhangxian CHEN, authorsList=Juxuan DING, Shicheng CAO, Afei LI, Can WANG, Chengzhi HU, Zhangxian CHEN, authorCompany=null, correspAuthors=Zhangxian CHEN, authorNote=

DING Juxuan (1995-), male, Master candidate. E-mail:

, correspAuthorsNote=
CHEN Zhangxian (1981-), male, Ph.D., Associate 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=1319239206665302936, articleId=1319239206161986454, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=乙醇胺强化解离WO3·H2O微米片制备柔性WOx电致变色器件, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

WO3电致变色器件具有变色响应时间短、光学对比度高等优点,在汽车后视镜、智能窗等领域具有重要应用。近年来,随着可穿戴电子设备的迅速发展,柔性WO3薄膜的制备成为柔性电致变色器件领域的研究热点。但WO3结晶温度较高,而受聚合物衬底可耐受温度的限制,通常需要采用磁控溅射、电子束蒸镀等真空气相沉积技术制备晶态柔性WO3薄膜。此技术对设备要求高,且所制备的薄膜结构较致密,不利于电解液的渗透和电解质离子的快速脱嵌。采用液相回流化学法预合成了结晶态WO3·H2O微米片粉体,首次采用乙醇胺等胺类分子使WO3·H2O强化解离为高度分散的纳米粒子胶体溶液,经旋转涂覆液相成膜技术制备成柔性晶态WOx薄膜并应用于柔性电致变色器件。机理研究表明,胺基官能团与WO3·H2O微米片的强界面相互作用产生的电荷斥力使其迅速解离。所制备的柔性WOx电致变色器件的着色和褪色时间分别为5.9 s和5.4 s,着色效率最高可达146.7 cm2/C,经200次弯折后仍具有较好的性能。

, authors=丁举宣, 曹世丞, 李阿飞, 王璨, 胡成志, 陈章贤, authorsList=丁举宣, 曹世丞, 李阿飞, 王璨, 胡成志, 陈章贤, authorCompany=null, correspAuthors=陈章贤, authorNote=

丁举宣(1995—),男,硕士研究生。

, correspAuthorsNote=
陈章贤(1981—),男,博士,副教授。
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乙醇胺强化解离WO3·H2O微米片制备柔性WOx电致变色器件
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丁举宣 , 曹世丞 , 李阿飞 , 王璨 , 胡成志 , 陈章贤
硅酸盐学报 | 研究论文 2022,50(11): 2951-2958
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硅酸盐学报 |研究论文 2022 , 50 (11) : 2951 -2958
乙醇胺强化解离WO3·H2O微米片制备柔性WOx电致变色器件
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丁举宣 , 曹世丞, 李阿飞, 王璨, 胡成志, 陈章贤
作者信息
  • 合肥工业大学化学与化工学院,合肥 230009
通讯作者:
陈章贤(1981—),男,博士,副教授。
作者简介:

丁举宣(1995—),男,硕士研究生。

Monoethanolamine-Intensified Dissociation of WO3·H2O Microplates to Fabricate Flexible WOx Electrochromic Devices
Juxuan DING , Shicheng CAO, Afei LI, Can WANG, Chengzhi HU, Zhangxian CHEN
Affiliations
  • School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
  • Corresponding Author:
    CHEN Zhangxian (1981-), male, Ph.D., Associate Professor. E-mail:

    DING Juxuan (1995-), male, Master candidate. E-mail:

出版时间: 2022-11-20 doi: 10.14062/j.issn.0454-5648.20220402
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WO3电致变色器件具有变色响应时间短、光学对比度高等优点,在汽车后视镜、智能窗等领域具有重要应用。近年来,随着可穿戴电子设备的迅速发展,柔性WO3薄膜的制备成为柔性电致变色器件领域的研究热点。但WO3结晶温度较高,而受聚合物衬底可耐受温度的限制,通常需要采用磁控溅射、电子束蒸镀等真空气相沉积技术制备晶态柔性WO3薄膜。此技术对设备要求高,且所制备的薄膜结构较致密,不利于电解液的渗透和电解质离子的快速脱嵌。采用液相回流化学法预合成了结晶态WO3·H2O微米片粉体,首次采用乙醇胺等胺类分子使WO3·H2O强化解离为高度分散的纳米粒子胶体溶液,经旋转涂覆液相成膜技术制备成柔性晶态WOx薄膜并应用于柔性电致变色器件。机理研究表明,胺基官能团与WO3·H2O微米片的强界面相互作用产生的电荷斥力使其迅速解离。所制备的柔性WOx电致变色器件的着色和褪色时间分别为5.9 s和5.4 s,着色效率最高可达146.7 cm2/C,经200次弯折后仍具有较好的性能。

柔性  /  电致变色  /  氧化钨  /  强化解离

WO3 electrochromic devices (ECDs) with the short response time and high optical contrast show great application potentials in car rearview mirrors and smart windows. With the rapid development of wearable electronics, the fabrication of flexible WO3 films for bendable ECDs has attracted much attention. However, the fabrication of flexible crystalline WO3 films generally requires a sophisticated vacuum vapor deposition technique, including magnetron sputtering and electron-beam deposition due to the high crystallization temperature of WO3 and the limited endurable temperature of polymer substrates. The dense WO3 layers on polymer substrates affect the facile access of electrolyte and fast intercalation/deintercalation of electrolyte ions. In this paper, well-crystallized WO3·H2O microplate powders were pre-synthesized by a chemical reflux method. Monoethanolamine was utilized to intensively dissociate WO3·H2O microplates into a well-dispersed colloidal solution. The flexible nanocrystalline WOx/polyethylene terephthalate films were fabricated via spin coating deposition and assembled into the flexible ECDs. The accumulated charge repulsion provided by the intense interfacial interaction between amine group and WO3·H2O microplates results in their fast dissociation. The fabricated flexible crystalline WOx electrochromic devices have short coloring and bleaching time of 5.9 s and 5.4 s, respectively, and a coloring efficiency of 146.7 cm2/C, and still exhibit the superior performance after 200 bending cycles.

flexible  /  electrochromism  /  tungsten oxide  /  intensified dissociation
丁举宣, 曹世丞, 李阿飞, 王璨, 胡成志, 陈章贤. 乙醇胺强化解离WO3·H2O微米片制备柔性WOx电致变色器件. 硅酸盐学报, 2022 , 50 (11) : 2951 -2958 . DOI: 10.14062/j.issn.0454-5648.20220402
Juxuan DING, Shicheng CAO, Afei LI, Can WANG, Chengzhi HU, Zhangxian CHEN. Monoethanolamine-Intensified Dissociation of WO3·H2O Microplates to Fabricate Flexible WOx Electrochromic Devices[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (11) : 2951 -2958 . DOI: 10.14062/j.issn.0454-5648.20220402
  • 安徽省科技重大专项(202003a05020046)
  • 合肥市留学回国人员创新创业计划项目(106-411206)
  • 中央高校基本科研业务费项目(JZ2018YYPY0299)
  • 安徽省自然科学基金(1708085 ME111)
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doi: 10.14062/j.issn.0454-5648.20220402
  • 接收时间:2022-05-17
  • 首发时间:2026-10-20
  • 出版时间:2022-11-20
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  • 收稿日期:2022-05-17
  • 修回日期:2022-06-09
基金
安徽省科技重大专项(202003a05020046)
合肥市留学回国人员创新创业计划项目(106-411206)
中央高校基本科研业务费项目(JZ2018YYPY0299)
安徽省自然科学基金(1708085 ME111)
作者信息
    合肥工业大学化学与化工学院,合肥 230009

通讯作者:

陈章贤(1981—),男,博士,副教授。
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2种不同金属材料的力学参数
科
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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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