Topological hydrogen-bonded organic frameworks (HOFs) and their electronic applications in sensor, memristor, and neuromorphic computing

Applied Physics Reviews, Journal Year: 2024, Volume and Issue: 11(3)

Published: July 8, 2024

Recently, an emerging class of hydrogen-bonded organic frameworks (HOFs) has become appealing member material family, attributed to their layered self-assembly structures, high-crystalline, and environmentally friendly characteristics, which have rapidly propelled development in the field electronic devices. In this context, we focus on latest category topological HOFs, with particular attention given cutting-edge experimental demonstrations, exceptional electrical performances, promising applications. First, a concise concept fundamental mechanism HOFs are provided, elucidating potential correlation between structural designs properties. Subsequently, comprehensive summary is presented preparation synthesis methods, such as hydrothermal techniques, epitaxial growth, electro-deposition, among others. Notably, advancements HOFs-based electronics thoroughly introduced discussed, along applications sensors, memristors, artificial synapses, neuromorphic computing, human perception systems. Finally, future challenges prospects elaborated upon aim providing valuable guidance for high-performance HOF-based electronics.

Language: Английский

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TiO_x-Based Implantable Memristor for Biomedical Engineering

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 17, 2025

Implantable memristors are considered an emerging electronic technology that can simulate brain memory function and demonstrate some promising applications in the biomedical field. However, it remains a critical challenge to enhance their long-term stability biocompatibility implantation environments. In this work, implantable memristor has been successfully fabricated based on TiOx using magnetron sputtering. The device demonstrated excellent thermal recoverability at elevated temperatures, providing important experimental evidence for its under high-temperature More importantly, after testing biological mimicking environments, such as fresh pork bullfrog tissues, maintained bipolar resistive switching (RS) characteristics stable performance, indicating potential use medical fields. Further analysis revealed RS behaviors of mainly controlled by space charge limited currents (SCLC), Ohmic conduction, Schottky emission conduction mechanisms. Therefore, is validated real promoting transition from theory practical laying foundation further applications.

Language: Английский

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Enhancing the performance of polyoxometalate-based memristors in harsh environments based on hydrogen bonding cooperative π-conjugation interaction

Inorganic Chemistry Frontiers, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Three water-soluble organic–inorganic hybridized POMs-based memristor are proposed. The introduction of organic ligands improves its performance. mechanism the device during high temperature operation was explored using 2D-COS-IR.

Language: Английский

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Intrinsically Stretchable Resistive Memory Devices Utilizing Wavy Structured Strategy Integrated with Metal‐Organic Framework Glasses

Small Methods, Journal Year: 2025, Volume and Issue: unknown

Published: April 8, 2025

Abstract Flexible resistive random‐access memory (RRAM) holds significant promise for data storage applications in the realms of smart healthcare and wearable devices. However, most research has focused primarily on development stretchable electrodes, frequently neglecting mechanical compatibility between functional layer electrode. Consequently, advancement intrinsically memristors presents a substantial challenge. Herein, glassy metal‐organic framework (MOF) film with wrinkle structure is integrated pre‐stretched electrode to fabricate memristors. These devices demonstrate an impressive switching ratio up 10 5 , bending radius limit mm, strain 20%, all while maintaining stable characteristics. Furthermore, conductive atomic force microscope (C‐AFM) ion beam (FIB) techniques reveal that effect governed by silver filament mechanism. This work successfully developed memristor, paving way application MOFs as layers flexible electronics. It expected inspire further design high‐performance, electronic technologies.

Language: Английский

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Recent Progress in Organic Cocrystal‐Based Superlattices and Their Optoelectronic Applications

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 16, 2025

Abstract The utilization of organic cocrystal‐based superlattice materials (OCSMs) in the field optoelectronics is experiencing significant advancements attributable to their accurate stoichiometric coefficient and distinctive supramolecular self‐assembly structures. Herein, an exhaustive review on development OCSMs reported over past few years presented, with a primary focus following major aspects. First, emerging nanostructures primarily consist hydrogen‐bonded frameworks (HOFs) halogen‐bonded (XOFs), innovative cocrystal heterostructures (OHSs), nanomeshes (OMSs). Further, comprehensive summary provided investigation crystals film preparation techniques for OCSMs, which encompasses liquid‐phase growth, physical‐vapor‐transfer methods, solid‐phase processes. characteristics tunable fluorescence emission rapid stimulus response exhibited by these as well applications memristors, photothermal conversion imaging, sensors, FETs, spin devices, are also elucidated. mechanisms underlying charge transfer effects, π–π interactions, hydrogen bonds, halogen bonds finally analyzed provide valuable insights into material design promising applications.

Language: Английский

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Epitaxially Growing 2D RGB Trichromatic Cocrystal Nanomeshes to Trigger Cross‐Modulation White Light Emission

Chinese Journal of Chemistry, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 18, 2024

Comprehensive Summary Considering their oriented crystalline structure and high luminescent efficiency, the exploration of multi‐component organic cocrystal systems with tunable supramolecular nanostructures potential RGB light emission has emerged as a captivating but challenging subject. Here, we propose straightforward synthetic strategy to precisely govern assembly, structure‐property relationship cocrystals. By employing single‐crystalline template‐assisted epitaxial growth (SCT‐EG) method, two‐dimensional (2D) highly‐aligned nanomeshes are firstly developed afford an exceptional trichromatic system, triggering cross‐modulation white (WLE) remarkable stability regeneration capacity over six months. The transformation from random 1D microstructures uniformly‐oriented 2D can be attributed regulatory competitive intermolecular π‐π, CT interactions, partial H bond interactions among Moreover, successful construction system holds promise generate full‐color display, which function multicolor inks for photonic dynamic recognition, information encryption, decryption.

Language: Английский

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High‐Performance Synaptic Devices Based on Cross‐linked Organic Electrochemical Transistors with Dual Ion Gel

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 16, 2024

Abstract Organic electrochemical transistors (OECTs) represent a promising approach for flexible, wearable, biomedical electronics, and sensors integrated with diverse substrates. Their ability to operate at low voltages interact effectively biological systems makes them particularly suitable neuromorphic applications. For devices, OECTs must enhance electrical performance, biocompatibility, signal storage/erasure capabilities. While UV cross‐linking methods various side effects on organic semiconductors are predominant in improving mobility current retention time, thermal based the solution process has not been extensively explored. Additionally, despite significant research modification of electrolyte property, ionic charge compensation mechanisms between multiple electrolytes still unclear. This study employs strategy involving chemical reaction poly(3‐hexylthiophene‐2,5‐diyl) (P3HT) di‐tert‐butyl‐peroxide (DTBP) create cross‐linked P3HT active layer. Furthermore, dual ion gel structure combining conventional chitosan‐based is investigated increased transport OECT performance. Using above two methods, enhanced performance showing 25 F cm −1 V s synaptic properties long‐term plasticity demonstrated, suggesting their potential application as high‐performance devices.

Language: Английский

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Error compensated MOF-based ReRAM array for encrypted logical operations

Dalton Transactions, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 1, 2024

Metal-organic frameworks (MOFs) form a unique platform for operation with data using ReRAM technology. Here we report on large-scale fabrication of MOF-based array 6 × cells, demonstrating 50% variation in their electronic parameters. Despite this inhomogeneity, such "non-ideal" is used recording binary information followed by deep learning processes to achieve 95% accuracy reading. Next, the same record numbers (from 0 15) addition. For correct performance an analogue algorithm, determine set coefficients each cell, allowing us use as encrypted key get access logical operations. The obtained results, thereby, demonstrate possibility low error reading coupled

Language: Английский

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Mxene-Carbon Quantum Dot Hybrid Memristor with Progressive Conductance Tuning for Artificial Synaptic Application

Published: Jan. 1, 2024

Language: Английский

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Digital‐Analog Integrated Optoelectronic Memristor Based on Carbon Dot for Ternary Opto‐Electronic Logic and Sen‐Memory Applications

Advanced Electronic Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 9, 2024

Abstract Optoelectronic memristor with light as an additional stimulus is generating interest in various remarkable optical‐electrical‐coupled applications. Herein, optoelectronic hybrid digital‐analog switching behavior developed by incorporating carbon dots (CDs) into the polymethylmethacrylate and polystyrene layers charge trapping medium. The exhibits tri‐stable digital under electro‐optical programming analog optical programming. For switching, SET RESET voltage of can be modulated through UV illumination. Taking advantage cooperation electrical stimuli, new ternary logic algorithm implementations all‐electric or all‐optical signals inputs are proposed. device resistance gradually illumination output intensity‐ duration‐dependent characteristics. These features endow fused image sensing‐and‐memory (sen‐memory) capability without auxiliary bias. In addition, sen‐memory perform contrast enhancement operation preprocessing human retina, which improve subsequent recognition rate processing tasks. multifunctional highlights potential for computing artificial vision applications, also, expected to expand application scopes CDs.

Language: Английский

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