Thermally Triggered Mechanically Destructive Electronics Based On Electrospun Poly(ϵ-caprolactone) Nanofibrous Polymer Films

Yang Gao, Kyoseung Sim, Xin Yan, Jiang Jiang, Jingwei Xie, Cunjiang Yu

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Electronics, which functions for a designed time period and then degrades or destructs, holds promise in medical implants, reconfigurable electronic devices and/or temporary functional systems. Here we report a thermally triggered mechanically destructive device, which is constructed with an ultra-thin electronic components supported by an electrospun poly(ϵ-caprolactone) nanofibrous polymer substrate. Upon heated over the melting temperature of the polymer, the pores of the nanofibers collapse due to the nanofibers' microscopic polymer chain relaxing and packing. As a result, the polymer substrate exhibits approximately 97.5% area reduction. Ultra-thin electronic components can therefore be destructed concurrently. Furthermore, by integrating a thin resistive heater as the thermal trigger of Joule heating, the device is able to on-demand destruct. The experiment and analytical results illustrate the essential aspects and theoretical understanding for the thermally triggered mechanical destructive devices. The strategy suggests a viable route for designing destructive electronics.

Original languageEnglish (US)
Article number01026
JournalScientific Reports
Volume7
Issue number1
DOIs
StatePublished - Dec 1 2017

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Polymer films
Polymers
Electronic equipment
Nanofibers
Joule heating
Substrates
Melting point
polycaprolactone
Experiments

ASJC Scopus subject areas

  • General

Cite this

Thermally Triggered Mechanically Destructive Electronics Based On Electrospun Poly(ϵ-caprolactone) Nanofibrous Polymer Films. / Gao, Yang; Sim, Kyoseung; Yan, Xin; Jiang, Jiang; Xie, Jingwei; Yu, Cunjiang.

In: Scientific Reports, Vol. 7, No. 1, 01026, 01.12.2017.

Research output: Contribution to journalArticle

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