Flexible nanowire cluster as wearable colorimetric humidity sensor
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Wearable plasmonic devices combine the advantages of high flexibility, ultrathinness, light weight, and excellent integration with the optical benefits mediated by plasmon-enhanced electric fields. However, two obstacles severely hinder further developments and applications of a wearable plasmonic device. One is the lack of efficient approach to obtaining devices with robust antimotion-interference property, i.e., the devices can work independently on the morphology changes of their working structures caused by arbitrary wearing conditions. The other issue is to seek a facile and high-throughput fabrication method to satisfy the financial requirement of industrialization. In order to overcome these two challenges, a functional flexible film of nanowire cluster is developed, which can be easily fabricated by taking the advantages of both conventional electrochemical and sputtering methods. Such flexible plasmonic films can be made into wearable devices that work independently on shape changes induced by various wearing conditions (such as bending, twisting and stretching). Furthermore, due to plasmonic advantages of color controlling and high sensitivity to environment changes, the flexible film of nanowire cluster can be used to fabricate wearable items (such as bracelet, clothes, bag, or even commercial markers), with the ability of wireless visualization for humidity sensing.
Wei , Z , Zhou , Z-K , Li , Q , Xue , J , Di Falco , A , Yang , Z , Zhou , J & Wang , X 2017 , ' Flexible nanowire cluster as wearable colorimetric humidity sensor ' , Small , vol. 13 , no. 27 , 1700109 . https://doi.org/10.1002/smll.201700109
© 2017, Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at onlinelibrary.wiley.com / https://doi.org/10.1002/smll.201700109
DescriptionThis work was supported by Ministry of Science and Technology of China (2016YFA0301300), National Natural Science Foundation of China (61675237, 11511130056, 21405183), the Guangdong Natural Science Foundation (2014A030313140, 2016A030312012), Guangzhou Science and Technology Projects (201607020023), and the fundamental research funds for the central universities (16lgjc85 and 16lgjc62).
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