摘要：【中文】本发明提供了一种电致变色薄膜及其制备方法和应用，本发明提供的电致变色薄膜通过将硅烷改性的二氧化钛纳米线导电基材依次在多金属氧酸盐溶液与PEI溶液中浸泡，并重复上述浸泡1～50次，得到电致变色薄膜；且使所述多金属氧酸盐为K₁₇[Ce(P₂W₁₇O₆₁)₂]·nH₂O，进而使得得到电致变色薄膜表现出优良的电致变色性能，光反差达到48.0％；着色和褪色时间分别为2.3s和1.5s，着色效率高达408.0cm²·C^‑1，且材料的稳定性良好。即本发明提供的电致变色薄膜光学对比度高、响应时间快、稳定性良好、可用于电致变色器件的制备。 【EN】The invention provides an electrochromic film and a preparation method and application thereof, wherein the electrochromic film is obtained by sequentially soaking a silane-modified titanium dioxide nanowire conductive substrate in a polyoxometallate solution and a PEI solution and repeating the soaking for 1-50 times; and the polyoxometallate is K₁₇[Ce(P₂W₁₇O₆₁)₂]·nH₂O, so that the obtained electrochromic film shows excellent electrochromic performance, and the light contrast reaches 48.0 percent; the coloring and fading times were 2.3s and 1.5s, respectivelys, coloring efficiency is as high as 408.0cm²·C^‑1And the stability of the material is good. The electrochromic film provided by the invention has the advantages of high optical contrast, quick response time and good stability, and can be used for preparing electrochromic devices.

摘要：【中文】本发明提供了一种仲钨酸盐纳米材料及其制备方法和应用，本发明提供的仲钨酸盐纳米材料包括：仲钨酸盐和载体；其中，所述仲钨酸盐为Na₁₀H₂W₁₂O₄₂·26H₂O；所述载体为硬脂酸钠，通过实验发现，本发明提供的仲钨酸盐纳米材料通过以硬脂酸钠为载体，使得得到的纳米粒子相对于仲钨酸盐来说，不仅抑制肿瘤的活性提高，而且对正常细胞的毒性明显减少；而且，本发明提供的方法简单，易于实现，具有很好的工业应用前景。 【EN】The invention provides an paratungstate nano material, a preparation method and an application thereof, and the paratungstate nano material provided by the invention comprises the following components: an paratungstate and a carrier; wherein the paratungstate is Na₁₀H₂W₁₂O₄₂·26H₂O; experiments show that the sodium stearate is used as the carrier, so that the obtained nanoparticles have higher tumor inhibition activity and obviously reduced toxicity to normal cells compared with the paratungstate; moreover, the method provided by the invention is simple, easy to realize and has good industrial application prospect.