Recent developments in indacenodithiophene and indacenodithienothiophene-based donor-acceptor conjugated polymers: From design to device performance in organic electronics

Progress in Polymer Science, Journal Year: 2024, Volume and Issue: 151, P. 101804 - 101804

Published: Feb. 23, 2024

Polymeric semiconductors based on donor-acceptor (D-A) conjugated polymers have emerged as a promising class of materials for various applications due to their excellent solution processability, low cost, and intrinsic flexibility. The use the indacenodithiophene (IDT) unit building block has received significant attention its unique pentacyclic ring structure exceptional photophysical electronic properties. This review focuses latest progress in field IDT-based polymers. We discuss versatility IDT structural molecular engineering tool, along with electron-deficient acceptors comonomers modifications unit. These advancements led improved device performance, particularly organic electronics such photodetectors, solar cells, field-effect transistors, thermoelectric devices. In summary, this serves valuable reference researchers who are interested creating high-performance polymeric using range optoelectronic

Language: Английский

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Functionalized Phenanthrene Imide‐Based Polymers for n‐Type Organic Thin‐Film Transistors

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(17)

Published: March 6, 2024

Abstract High‐performing n‐type polymers are crucial for the advance of organic electronics field, however strong electron‐deficient building blocks with optimized physicochemical properties constructing them still limited. The imide‐functionalized polycyclic aromatic hydrocarbons ( PAH s) extended π‐conjugated framework, high electron deficiency and good solubility serve as promising candidates developing high‐performance polymers. Among s, phenanthrene PhA ) features a well‐delocalized π‐system multiple modifiable active sites . However, ‐based imides seldom studied, mainly attributed to synthetic challenge. Herein, we report two functionalized CPOI CPCNI , by simultaneously incorporating imide carbonyl or dicyanomethylene onto Notably, dicyanomethylene‐modified exhibits well stabilized LUMO energy level (−3.84 eV), synergetic inductive effect from cyano groups. Subsequently, based on PCPOI‐Tz PCPCNI‐Tz were developed. Applied thin‐film transistors, owing electron‐deficiency polymer shows an improved mobility largely decreased threshold voltage compared This work affords structurally novel highlights effectiveness dual functionalization s electron‐withdrawing groups devising

Language: Английский

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Carbon-based memristors for resistive random access memory and neuromorphic applications

Chip, Journal Year: 2024, Volume and Issue: 3(2), P. 100086 - 100086

Published: Feb. 2, 2024

As a typical representative of nanomaterials, carbon nanomaterials have attracted widespread attention in the construction electronic devices due to their unique physical and chemical properties, multi-dimensionality, multi-hybridization methods excellent properties. Especially recent years, memristors based on flourished field building non-volatile memory neuromorphic applications. In this paper, preparation structural characteristics different dimensions are systematically reviewed. Then, working mechanism discussed depth. Finally, potential applications carbon-based logic operations, neural network construction, artificial vision systems, tactile multimodal perception systems introduced. We believe paper will provide guidance for future development high-quality information storage, high-performance applications, high-sensitivity bionic sensing memristors.

Language: Английский

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Recent advances in memristors based on two-dimensional ferroelectric materials

Frontiers of Physics, Journal Year: 2023, Volume and Issue: 19(1)

Published: Nov. 28, 2023

Language: Английский

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Functionalized Phenanthrene Imide‐Based Polymers for n‐Type Organic Thin‐Film Transistors

Angewandte Chemie, Journal Year: 2024, Volume and Issue: 136(17)

Published: March 6, 2024

Abstract High‐performing n‐type polymers are crucial for the advance of organic electronics field, however strong electron‐deficient building blocks with optimized physicochemical properties constructing them still limited. The imide‐functionalized polycyclic aromatic hydrocarbons ( PAH s) extended π‐conjugated framework, high electron deficiency and good solubility serve as promising candidates developing high‐performance polymers. Among s, phenanthrene PhA ) features a well‐delocalized π‐system multiple modifiable active sites . However, ‐based imides seldom studied, mainly attributed to synthetic challenge. Herein, we report two functionalized CPOI CPCNI , by simultaneously incorporating imide carbonyl or dicyanomethylene onto Notably, dicyanomethylene‐modified exhibits well stabilized LUMO energy level (−3.84 eV), synergetic inductive effect from cyano groups. Subsequently, based on PCPOI‐Tz PCPCNI‐Tz were developed. Applied thin‐film transistors, owing electron‐deficiency polymer shows an improved mobility largely decreased threshold voltage compared This work affords structurally novel highlights effectiveness dual functionalization s electron‐withdrawing groups devising

Language: Английский

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A metastable small organic molecule for secure memory devices

New Journal of Chemistry, Journal Year: 2023, Volume and Issue: 48(2), P. 859 - 865

Published: Nov. 9, 2023

A PFTCM molecule with strong donor–acceptor structure was synthesized for data storage and secure memory devices.

Language: Английский

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