[1]戚燕俐,张新超,任玉荣.具有近红外屏蔽特性的聚乙烯醇-钨酸铯功能薄膜的制备及性能[J].常州大学学报(自然科学版),2023,35(03):8-16.[doi:10.3969/j.issn.2095-0411.2023.03.002 ]
　QI Yanli,ZHANG Xinchao,REN Yurong.Preparation and investigation of polyvinyl alcohol-cesium tungstate functional films with near infrared light shielding character[J].Journal of Changzhou University(Natural Science Edition),2023,35(03):8-16.[doi:10.3969/j.issn.2095-0411.2023.03.002 ]
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具有近红外屏蔽特性的聚乙烯醇-钨酸铯功能薄膜的制备及性能 ()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
第35卷
期数:
2023年03期
页码:
8-16
栏目:
材料科学与工程
出版日期:
2023-05-28

文章信息/Info

Title:
Preparation and investigation of polyvinyl alcohol-cesium tungstate functional films with near infrared light shielding character
文章编号:
2095-0411(2023)03-0008-09
作者:
戚燕俐1; 张新超1; 任玉荣1; 2
(1.常州大学 材料科学与工程学院, 江苏 常州 213164; 2.江苏省光伏科学与工程协同创新中心(常州大学), 江苏 常州 213164)
Author(s):
QI Yanli1;  ZHANG Xinchao1;  REN Yurong1; 2
(1.School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China; 2.Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou 213164, China)
关键词:
聚乙烯醇;  钨酸铯;  近红外屏蔽;  被动降温
Keywords:
polyvinyl alcohol;  cesium tungstate;  near infrared light shielding;  passive cooling property
分类号:
TQ 32
DOI:
10.3969/j.issn.2095-0411.2023.03.002
文献标志码:
A
摘要:
以聚乙烯醇(PVA)聚合物和钨酸铯(Cs0.3WO3)粉体为主要组分,采用溶解-成膜法制备具有近红外光屏蔽性能的功能薄膜。此类薄膜通过屏蔽具有热效应的近红外光,有效减少光热转换和热量积聚,达到被动降温的效果。通过调控Cs0.3WO3的质量分数为0%～10%,研究了Cs0.3WO3质量分数对制备得到的PVA/Cs0.3WO3复合薄膜近红外屏蔽性能和降温性能的影响。研究发现,Cs0.3WO3可有效提升PVA薄膜在近红外光波段的光屏蔽性能,当Cs0.3WO3质量分数为5%时,复合薄膜在紫外,可见和近红外波段的透过率分别为12.4%,30.5%和19.2%,在太阳光波段透过率为23.7%,呈现出较好的透光性和近红外屏蔽特性。在红外灯照射60 min后,复合薄膜较PVA薄膜降温效果达到13.1 ℃,呈现较好的被动降温特性,在节能领域具有良好的应用前景。
Abstract:
Applying polyvinyl alcohol(PVA)polymer and cesium tungstate(Cs0.3WO3)powder as the main components, a functional film with near-infrared light shielding performance is prepared by the dissolution-evaporation method. This kind of film can effectively reduce light-to-heat conversion and heat accumulation by shielding the near-infrared light with thermal effect, and consequently achieve the effect of passive cooling. While the weight content of Cs0.3WO3 ranges from 0% to 10%, the effect of Cs0.3WO3 content on the near-infrared shielding performance, as well as cooling performance, of the prepared PVA/Cs0.3WO3 composite film was studied. Cs0.3WO3 can effectively improve the NIR shielding property. With the application of 5% Cs0.3WO3, the transmittance of PVA film in the ultraviolet, visible and near-infrared bands decreases to the value of 12.4%, 30.5% and 19.2% respectively, and the corresponding transmittance in the whole sunlight region is 23.7%, showing good light transmittance performance and near-infrared shielding character. After irradiating infrared light for 60 minutes, the cooling effect of PVA film is 13.1 ℃, showing better passive cooling characteristic. With regard to Cs0.3WO3, a good application prospect is desired in the field of energy saving.

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(责任编辑:李艳)

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备注/Memo

备注/Memo:
收稿日期: 2023-02-21。
基金项目: 国家自然科学基金面上资助项目(22078029)。
作者简介: 戚燕俐(1993—), 女, 江苏常州人, 博士, 讲师。通信联系人: 任玉荣(1973—), E-mail: ryrchem@cczu.edu.cn

更新日期/Last Update: 1900-01-01