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Highly stretchable polymer semiconductor thin films with multi-modal energy dissipation and high relative stretchability

Stretchable polymer semiconductors with high mechanical and electrical properties are challenging to develop. Wu et al. show that reversible molecular ordering under strain important for performance optimization and relative stretchability can be used to compare the relative strain tolerance of materials.

Hung-Chin Wu
Shayla Nikzad
Zhenan Bao
ResearchOpen Access16 Dec 2023
Nature Communications

Volume: 14, P: 1-10
High-brightness all-polymer stretchable LED with charge-trapping dilution

A material design strategy and fabrication process is described to produce all-polymer light-emitting diodes with high brightness, current efficiency and good mechanical stability, with applications in skin electronics and human–machine interfaces.

Zhitao Zhang
Weichen Wang
Zhenan Bao
Research23 Mar 2022
Nature

Volume: 603, P: 624-630
Multi-scale ordering in highly stretchable polymer semiconducting films

Solution shearing of semiconducting polymers with a patterned blade induces improved alignment of the polymeric chains at the nano- and macroscale. This leads to increased charge transport in stretchable, roll-to-roll deposited organic transistors.

Jie Xu
Hung-Chin Wu
Zhenan Bao
Research15 Apr 2019
Nature Materials

Volume: 18, P: 594-601
High-frequency and intrinsically stretchable polymer diodes

A stretchable anode, cathode, semiconductor and current collector have been developed to create stretchable diodes that can operate at megahertz frequencies for use in wirelessly operated, skin-like wearable electronics.

Naoji Matsuhisa
Simiao Niu
Zhenan Bao
Research08 Dec 2021
Nature

Volume: 600, P: 246-252
A design strategy for high mobility stretchable polymer semiconductors

Designing intrinsically stretchable semiconducting polymers with suitable charge transport and mechanical properties required for stretchable electronic devices remains a challenge. Here, the authors report terpolymer-based semiconductors with intrinsically high stretchability and mobility.

Jaewan Mun
Yuto Ochiai
Zhenan Bao
ResearchOpen Access11 Jun 2021
Nature Communications

Volume: 12, P: 1-10
Tough-interface-enabled stretchable electronics using non-stretchable polymer semiconductors and conductors

Engineering of the interfacial properties between a semiconducting thin film and a stretchable substrate using tough interfacial bonding enables a notable delay in microcrack formation.

Jiheong Kang
Jaewan Mun
Zhenan Bao
Research10 Nov 2022
Nature Nanotechnology

Volume: 17, P: 1265-1271
Significance of the double-layer capacitor effect in polar rubbery dielectrics and exceptionally stable low-voltage high transconductance organic transistors

Chao Wang
Wen-Ya Lee
Zhenan Bao
ResearchOpen Access14 Dec 2015
Scientific Reports

Volume: 5, P: 1-8
Care cascade of tuberculosis infection treatment for people living with HIV in the era of antiretroviral therapy scale-up

Kuan-Yin Lin
Chia-Jui Yang
Chen-Hsiang Lee
ResearchOpen Access27 Sept 2022
Scientific Reports

Volume: 12, P: 1-9
High-performance stretchable resistive memories using donor–acceptor block copolymers with fluorene rods and pendent isoindigo coils

Stretchable resistive memories were created using donor–acceptor rod-coil diblock copolymers, poly(polyfluorene)-b-poly(pendent isoindigo), with different block ratios. Reliable and reproducible electrical characteristics of volatile SRAM- and nonvolatile WORM-type memories were exhibited under applied tensile strains ranging from 0 to 50 %, demonstrating the potential to serve as promising candidates for high-performance wearable devices.

Jau-Tzeng Wang
Kengo Saito
Wen-Chang Chen
ResearchOpen Access26 Aug 2016
NPG Asia Materials

Volume: 8, P: e298
Conjugated fluorene-moiety-containing pendant polymers for the dispersion of single-wall carbon nanotubes: polymer wrapping abilities and electrical properties

The wrapping abilities of comb-like polymers with pendant conjugated fluorine moieties and their tunable electrical properties of SWNTs were discussed. It is found that longer side-chain-conjugated fluorene segments in homopolymer (P(St-Fl)₃₀₀, 7) can strongly bind to the SWNTs surfaces through π–π interaction and its copolymer (P2VP₇₉-co-P(St-Fl)₃₄₇, 5a) lead to predominant dispersion of SWNTs due to the flexibility of P2VP for further increasing the solubility. Thus, SWNTs wrapped by 5a after thermal annealing can be selected as a gate electrode, whereas the spin-coated SWNTs wrapped by 7 can be as a semiconductor for the FET channel, resulting in a mobility of 0.82 cm² V⁻¹s⁻¹, a threshold voltage of 0.35 V and an ON/OFF ratio of 2.8 × 10⁴.

Hsuan-Chun Chang
Jau-Tzeng Wang
Wen-Chang Chen
Research13 Jan 2016
Polymer Journal

Volume: 48, P: 421-429

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