Ultrasound-induced change of microstructure and photochromic properties of polyacrylamide thin films containing a polyoxometalate

Wei Feng; Tierui Zhang; Jun Liu; Ran Lu; Yingying Zhao; Jiannian Yao

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Ultrasound-induced change of microstructure and photochromic properties of polyacrylamide thin films containing a polyoxometalate

机译：超声诱导含多金属氧酸盐的聚丙烯酰胺薄膜的微观结构和光致变色性能的变化

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Novel photochromic nanocomposite thin films were prepared by entrapping polyoxometalate in a polyacrylamide matrix via the ultrasound technique. The ultrasound irradiation has a great effect on the microstructure and photochromic properties of the hybrid films. The polyoxometalate nanoparticles are finely dispersed in the polymer matrix after ultrasound treatment, instead of agglomeration in the unirradiated film with ultrasound. Consequently, the photochromic behaviors of the hybrid films can be controlled from irreversible heteropolybrown to reversible heteropolyblue by ultrasound. The influence of ultrasound on microstructure and photochromic properties is due to the sonochemical controlling interfacial interactions in the hybrid system.

机译：通过超声技术将多金属氧酸盐捕获在聚丙烯酰胺基体中，制备了新型光致变色纳米复合薄膜。超声辐射对杂化膜的微观结构和光致变色性能有很大影响。超声处理后，多金属氧酸盐纳米颗粒精细地分散在聚合物基质中，而不是在未辐照的膜中进行超声附聚。因此，可以通过超声将杂化膜的光致变色行为从不可逆的杂多蓝控制为可逆的杂多蓝。超声对微观结构和光致变色特性的影响是由于声化学控制混合系统中的界面相互作用。

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来源
《Journal of Materials Research》 |2003年第3期|p.709-713|共5页
作者
Wei Feng; Tierui Zhang; Jun Liu; Ran Lu; Yingying Zhao; Jiannian Yao;
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作者单位

Department of Chemistry, Jilin University, ChangChun 130023, People's Republic of China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
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1. The influence of Fe~(2+) doping on the microstructure and photochromic behavior of polyoxometalates acid/polyacrylamide hybrid films [J] . Jie Chen, Su-Ling Liu, Wei Feng, Optical Materials . 2013,第5期

机译：Fe〜（2+）掺杂对多金属氧酸盐/聚丙烯酰胺杂化膜微结构和光致变色行为的影响
2. Sonochemical preparation of photochromic nanocomposite thin film based on polyoxometalates well dispersed in polyacrylamide [J] . Feng W., Zhang TR., Liu Y., International Journal of Quantum Chemistry . 2002,第1期

机译：基于良好分散在聚丙烯酰胺中的多金属氧酸盐的声化学制备光致变色纳米复合薄膜
3. Sonochemical preparation of photochromic nanocomposite thin film based on polyoxometalates well dispersed in polyacrylamide [J] . Feng W., Zhang TR., Liu Y., International Journal of Quantum Chemistry . 2002,第1期

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Ultrasound-induced change of microstructure and photochromic properties of polyacrylamide thin films containing a polyoxometalate

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