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International Journal of Bioprinting PEDOT/PSS-based sensors

The printed PEDOT:PSS-based interconnects exhibit structures characterized by well-interconnected, uniform
an impressive ability to withstand strains exceeding networks. This innovative combination enhances storage
100%, highlighting their robust mechanical flexibility. modulus and conductivity, showcasing exceptional
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The integration of PEDOT:PSS and a stretchable poly(2- stability and durability even when subjected to substantial
hydroxyethyl acrylate-isobornyl acrylate) (PHI) structure strains of up to 60% (Figure 4). PEDOT:PSS-based
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has led to the creation of 3D-printed porous stereo sensors can also achieve elasticity by blending with the

Figure 4. PEDOT:PSS-based stretchable sensor. 77,78 (A) Preparation route for PHI/PEDOT: PSS DN. (B) Properties of PHI, PHI/PEDOT: PSS and annealed
PHI/PEDOT: PSS. (C) Compression curves. (D) Electrochemical impedance spectroscopy and its shape deformation under finger pressing. (E) Illustration
of sensor design process and sensor output (dynamic test). (F) Representative applications of the printed stretchable PEDOT:PSS/PEO conductor for
wearable electrocardiography (ECG) and photoplethysmography (PPG) sensors. Copyright © 2023 Elsevier. Reprinted and modified with permission of
Elsevier. Copyright © 2023 Elsevier. Reprinted and modified with permission of Elsevier. Copyright © 2021 American Chemical Society. Reprinted and
modified with permission of American Chemical Society.

Volume 10 Issue 2 (2024) 11 doi: 10.36922/ijb.1725