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Inkjet Printing of Perovskites for Breaking Performance-Temperature Tradeoffs in Fabric-Based Thermistors

机译:用于打破基于织物的热敏电阻的性能 - 温度折衷的佩洛夫斯库特的喷墨印刷

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摘要

A novel low-temperature route is developed for inkjet printing of the perovskite Cs2SnI6, to create wearable negative-temperature-coefficient thermistors with unprecedented performance on thermally sensitive fabrics. A low processing temperature of 120 degrees C is achieved by creating a stable and printable ink using binary metal iodide salts, which is thermally transformed into dense Cs(2)SnI(6)crystals after printing. The optimally printed Cs(2)SnI(6)shows a temperature measurement range up to 120 degrees C, high sensitivity (4400 K), and temperature coefficient of resistivity (0.05 degrees C-1), and stability under ambient environmental conditions and bending. The approach breaks a critical tradeoff that has hindered wearable fabric-based thermistors by enabling damage-free fabrication of devices with commercially comparable performance, evincing significant applications in multifunctional textiles and beyond.
机译:开发了一种新的低温路线,用于钙钛矿CS2SNI6的喷墨印刷,以在热敏织物上产生具有前所未有的性能的可穿戴的负温度系数热敏电阻。通过使用二元金属碘化物盐产生稳定和可印刷的墨水,实现了120℃的低处理温度,这在印刷后热转化为致密Cs(2)Sni(6)晶体。最佳印刷的Cs(2)SNI(6)显示温度测量范围,高达120℃,高灵敏度(4400 k)和温度的电阻率(0.05℃)的温度系数,以及环境环境条件下的稳定性和弯曲。该方法通过使可损坏的装置制造具有商业上可比的性能,在多功能纺织品中提出显着的应用,破坏了一种关键的折衷。

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