旋节分解 TiO2-VO2 薄膜的自组装多层结构和增强的热致变色性能。
Self-Assembled Multilayer Structure and Enhanced Thermochromic Performance of Spinodally Decomposed TiO2-VO2 Thin Film.
机构信息
State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Dingxi 1295, Changning, Shanghai, 200050, China.
Materials Research Institute for Sustainable Development, National Institute of Advanced Industrial Science and Technology , Nagoya 463-8560, Japan.
出版信息
ACS Appl Mater Interfaces. 2016 Mar 23;8(11):7054-9. doi: 10.1021/acsami.5b12476. Epub 2016 Mar 9.
Composite films of VO2-TiO2 were deposited on sapphire (11-20) substrate by cosputtering method. Self-assembled well-ordered multilayer structure with alternating Ti- and V-rich epitaxial thin layer was obtained by thermal annealing via a spinodal decomposition mechanism. The structured thermochromic films demonstrate superior optical modulation upon phase transition, with significantly reduced transition temperature. The results provide a facile and novel approach to fabricate smart structures with excellent performance.
采用共溅射方法在蓝宝石（11-20）衬底上沉积了 VO2-TiO2 复合薄膜。通过热退火，通过旋节分解机制获得了具有交替富钛和富钒外延薄层的自组装有序多层结构。结构的热致变色薄膜在相变时表现出优异的光学调制，且相变温度显著降低。结果为制备具有优异性能的智能结构提供了一种简便新颖的方法。
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