Highly Stable Flexible Organic Electrochemical Transistors with Natural Rubber Latex Additives
<p>Schematics of (<b>a</b>) latex/PEDOT:PSS film preparation and (<b>b</b>) an OECT structure.</p> "> Figure 2
<p>(<b>a</b>) Optical microscope images of the OECT channels (10× magnification). Geometry of the channels: W/L = 9.5. (<b>b</b>) Transfer and (<b>c</b>) transconductance curves of the flexible OECTs. (<b>d</b>) Carrier mobility and (<b>e</b>) channel capacitance of all samples. All the measurements were performed by an Ag/AgCl gate at <span class="html-italic">V</span><sub>D</sub> = −0.8 V, and in (<b>d</b>,<b>e</b>), the data were obtained by applying AC modulation at the gate electrode.</p> "> Figure 3
<p>(<b>a</b>) Schematic of the repetitive bending test of the flexible OECTs. (<b>b</b>) Transconductance curves of all samples at <span class="html-italic">V</span><sub>D</sub> = −0.8 V before and after bending stress. Output curves of (<b>c</b>) PEDOT:PSS and (<b>d</b>) 8% NRL/PEDOT:PSS before and after bending stress. <span class="html-italic">V</span><sub>G</sub> step of +0.2 V.</p> "> Figure 4
<p>(<b>a</b>) Current degradation (<span class="html-italic">I</span>/<span class="html-italic">I</span><sub>0</sub>) as a function of elongation percentage. (<b>b</b>) Real-time current response when the 6% NRL/PEDOT:PSS thin film was elongated up to 70% and then returned to its original size. (<b>c</b>) Microscope images of samples (i) before and (ii) after stretching. Samples: PEDOT:PSS and 6% NRL/PEDOT:PSS thin films spin-coated on latex substrates.</p> ">
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Polymer Blend Preparation
2.3. Device Fabrication
2.4. Device Characterization
3. Results
3.1. Effects of Latex Additives on OECT Performance
3.2. OECT Performance after Mechanical Stress
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Conflicts of Interest
References
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Boratto, M.H.; Graeff, C.F.O.; Han, S. Highly Stable Flexible Organic Electrochemical Transistors with Natural Rubber Latex Additives. Polymers 2024, 16, 2287. https://doi.org/10.3390/polym16162287
Boratto MH, Graeff CFO, Han S. Highly Stable Flexible Organic Electrochemical Transistors with Natural Rubber Latex Additives. Polymers. 2024; 16(16):2287. https://doi.org/10.3390/polym16162287
Chicago/Turabian StyleBoratto, Miguel Henrique, Carlos F. O. Graeff, and Sanggil Han. 2024. "Highly Stable Flexible Organic Electrochemical Transistors with Natural Rubber Latex Additives" Polymers 16, no. 16: 2287. https://doi.org/10.3390/polym16162287