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证明用于食品物流的基于聚（3,4-乙撑二氧噻吩）：聚苯乙烯磺酸盐的热敏电阻功能化氧化石墨烯-聚偏二氟乙烯复合材料封装的稳健性。

Proving the robustness of a PEDOT:PSS-based thermistor functionalized graphene oxide-poly(vinylidene fluoride) composite encapsulation for food logistics.

作者信息

Maskey Bijendra Bishow, Shrestha Kiran, Sun Junfeng, Park Hyejin, Park Jinhwa, Parajuli Sajjan, Shrestha Sagar, Jung Younsu, Ramasundaram Subramaniyan, Koirala Gyan Raj, Cho Gyoujin

机构信息

Sungkyunkwan University, Department of Biophysics 2066, Sebu-ro, Jangan-gu Suwon-si Gyeong gi-do Republic of Korea

Korea Institute of Science and Technology, Center for Water Resource Cycle Research (CWRC) 5, Hwarang-ro, Seongbuk-gu Seoul 02792 Korea.

出版信息

RSC Adv. 2020 Mar 26;10(21):12407-12414. doi: 10.1039/d0ra00554a. eCollection 2020 Mar 24.

DOI:10.1039/d0ra00554a
PMID:35497615
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9050635/
Abstract

The instability of poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) under a humid condition is the major limitation in the practical development of a flexible thermistor. Here, we introduced a functionalized graphene oxide-polyvinylidene fluoride (FGO-PVDF) composite as an encapsulation layer to prove the reliability of PEDOT:PSS thermistors under high-humidity conditions. The FGO-PVDF-encapsulated thermistor exhibited good linearity, a resolution of 1272.57 Ω per °C, a temperature coefficient of resistance equal to -3.95 × 10 per °C, stable performance, and an acceptable response time (∼40 s per °C) calibrated in the temperature range between -10 °C and 30 °C, resembling the temperature of a cold chain system. For applications in a food cold chain system, this thermistor was integrated into a roll-to-roll (R2R) gravure-printed NFC antenna, a microcontroller-embedded Si-chip transponder, and a printed battery to work as a smart label to wirelessly monitor the time-temperature history (TTH) of a food package. A proof-of-concept study was demonstrated by attaching an NFC-enabled hybrid TTH logger, a smart label, in a chicken package.

摘要

聚（3,4-乙撑二氧噻吩）：聚苯乙烯磺酸盐（PEDOT:PSS）在潮湿条件下的不稳定性是柔性热敏电阻实际开发中的主要限制因素。在此，我们引入了一种功能化氧化石墨烯-聚偏二氟乙烯（FGO-PVDF）复合材料作为封装层，以证明PEDOT:PSS热敏电阻在高湿度条件下的可靠性。FGO-PVDF封装的热敏电阻具有良好的线性度，每摄氏度分辨率为1272.57Ω，电阻温度系数为每摄氏度-3.95×10，性能稳定，在-10°C至30°C的温度范围内校准的响应时间可接受（约每摄氏度40秒），类似于冷链系统的温度。对于食品冷链系统中的应用，该热敏电阻被集成到卷对卷（R2R）凹版印刷的NFC天线、嵌入微控制器的硅芯片应答器和印刷电池中，用作智能标签以无线监测食品包装的时间-温度历史（TTH）。通过在鸡肉包装中贴上支持NFC的混合TTH记录器（智能标签）进行了概念验证研究。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5514/9050635/a32483c699b8/d0ra00554a-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5514/9050635/d57906c3e8f9/d0ra00554a-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5514/9050635/626587682e8b/d0ra00554a-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5514/9050635/ce0c11278bc8/d0ra00554a-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5514/9050635/a32483c699b8/d0ra00554a-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5514/9050635/d57906c3e8f9/d0ra00554a-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5514/9050635/626587682e8b/d0ra00554a-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5514/9050635/ce0c11278bc8/d0ra00554a-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5514/9050635/a32483c699b8/d0ra00554a-f4.jpg

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