Silk Fibroin Nanocomposites with Indium Tin Oxide toward Sustainable Capacitive Touch Sensing Applications
Source abstract
Abstract
The development of multifunctional sustainable polymer composites is an increasing need in the scope of the Internet of Things (IOT) and the circular economy paradigm. In this context, nanocomposites based on silk fibroin (SF) and indium tin oxide (ITO) (up to 40 wt %) were produced by solvent casting to improve the mechanical and dielectric properties of the protein, and develop capacitive touch sensing devices. Samples with good filler dispersion, compact morphology, and optical transparency were obtained independently of the filler content. The structural conformation of ITO/SF nanocomposites and mechanical and dielectric properties are dependent on ITO content, with the dielectric constant reaching values of up to 10 for an ITO content of 40 wt %. On the other hand, the thermal transitions of samples are independent of the filler amount. ITO/SF nanocomposites with 10 wt % ITO content were used for capacitive touch sensor development. The excellent sensing behavior and reproducibility of the device demonstrate the suitability of the developed silk fibroin-based nanocomposites for sustainable electronic approaches.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Silk-based biomaterials and applications · Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
Centre ALGORITMI, University of Minho, Campus de Azurém, 4800-058 Guimarães, Portugal
Physics Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, 4704-553 Braga, Portugal
Laboratory of Physics for Materials and Emergent Technologies, LapMET, University of Minho, 4704-553 Braga, Portugal
Institute of Science and Innovation for Bio-Sustainability (IB-S), University of Minho, 4710-053 Braga, Portugal
Departamento de Química Física, Facultad de Ciencia y Tecnología, Universidad del País Vasco/EHU, Apdo. 644, 48080 Bilbao, Spain
Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
Funding
European Commission · European Regional Development Fund · Funda??o para a Ci?ncia e a Tecnologia · Ekonomiaren Garapen eta Lehiakortasun Saila, Eusko Jaurlaritza · Agencia Estatal de Investigaci?n
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