Lidan Guo

Macrocyclic Steric Confinement at Heavy‐Atom Sites to Suppress Spin‐Orbit Coupling for Room‐Temperature Spin Transport in Organic Semiconductors

Meng Wu, Xiangpeng Zhang, Shuaishuai Shen, Tingting Yang et autres

ABSTRACT Electron spin transport in organic semiconductors (OSCs) at room temperature is fundamentally limited by an intrinsic trade‐off between spin diffusion and spin relaxation, arising from spin‐orbit coupling associated with heavy atoms in conjugated backbones. Here, we demonstrate that macrocyclic steric confinement …

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Spatial confinement as a design principle for efficient spin transport in molecular semiconductors

Shunhua Hu, Yong Wang, Lidan Guo, Rui Zhang et autres

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Phase‐Separation‐Driven Nanostructure Control for Highly Efficient Room‐Temperature Spin Transport in Molecular Spintronic Devices

Yong Wang, Shunhua Hu, Sai Xu, Lidan Guo et autres

ABSTRACT Molecular semiconductors (MSCs) intrinsically exhibit weak spin–orbit coupling and suppressed spin relaxation, making them promising candidates for efficient room‐temperature (RT) spin transport and semiconductor‐based electronic device functionalities. However, the RT magnetoresistance, corresponding to the spin transport efficiency ( η s ) …

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Regulating Spin Polarization by a Ru Single Atoms to Promote Hydrogen Evolution Reaction in a Spin Catalytic Behavior

Rui Zhang, Chen Li, Meng Wu, Xue Sun et autres

To solve the global environment problems caused by burning fossil fuels, hydrogen has been considered as a promising energy carrier for the future. Guided by the carbon neutrality strategy, “green hydrogen”, which is generated from water splitting driven by renewable energy, has …

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Organic Spintronic Materials: Recent Progress and Emerging Multifunctionalities

Cheng Zhang, Lidan Guo, Chuanbo Cong, Qiong Zhou et autres

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Research on sensing-storage-computing spintronic devices based on organic semiconductors

Xianrong Gu, Lidan Guo, Min Li, Menghuai Wu et autres

利用电子自旋属性进行信息存储、传输与处理, 是未来构建智能感知系统的全新途径. 在自旋电子学领域, 有机半导体材料凭借其极弱的自旋弛豫效应和超长的自旋寿命, 成为实现室温自旋信息应用的理想材料. 有机半导体独特的光电磁特性赋予自旋器件对外界刺激的高度敏感响应能力, 开发了系列功能性有机自旋器件, 为构建智能化的自旋感知系统提供了重要的研究基础. 本文综述了有机半导体材料在自旋输运、自旋界面以及光电磁特性方面的研究进展; 重点探讨了基于此类材料的自旋传感器件、存储器件及有望实现自旋运算的光控自旋态器件的最新成果, 并分析了当前研究中面临的挑战, 展望了面向智能信息系统的功能性有机自旋器件的未来发展方向.

Enhancing Room‐Temperature Spin Lifetimes in Molecular Semiconductors by Designing Intramolecular Dipole Orientations

Yang Qin, Meng Wu, Junjun Xiang, Tingting Yang et autres

In spintronics, achieving long spin lifetimes, particularly at room temperature (RT), is a key objective for spin transport materials. Molecular semiconductors (MSCs), with their inherently weak spin relaxation mechanisms, have emerged as promising candidates for realizing long RT spin lifetimes. However, effective …

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Room‐Temperature Organic Spintronic Devices with Wide Range Magnetocurrent Tuning and Multifunctionality via Electro‐Optical Compensation Strategy

Ke Meng, Min Li, Lidan Guo, Rui Zhang et autres

In spintronics, devices exhibiting large, widely tunable magnetocurrent (MC) values at room temperature are particularly appealing due to their potential in advanced sensing, data storage, and multifunctional technologies. Organic semiconductors (OSCs), with their rich and unique spin-dependent and (opto-)electronic properties, hold significant …

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In‐Device Ballistic‐Electron‐Emission Spectroscopy for Accurately In Situ Mapping Energy Level Alignment at Metal–Organic Semiconductors Interface

Ke Meng, Ruiheng Zheng, Xianrong Gu, Rui Zhang et autres

Energy level alignment at metal/organic semiconductors (OSCs) interface governs electronic processes in organic electronics devices, making its precise determination essential for understanding carrier transport behaviors and optimizing device performance. However, it is proven that accurately characterizing the energy barrier at metal/OSC interface …

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Spin‐Lifetime Probe for Detecting Intramolecular Noncovalent Interaction in Organic Semiconductors

Tingting Yang, Yang Qin, Meng Wu, Xianrong Gu et autres

Intramolecular noncovalent interaction (INCI), a crucial strategy for effectively enhancing molecular planarity and extending π-electron delocalization in organic semiconductors (OSCs), has played an increasingly important role in optoelectronic applications. However, though the INCI formation is regularly considered to improve the device performance …

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Halogenated-edge polymeric semiconductor for efficient spin transport

Ankang Guo, Jie Yang, Jinyang Chen, Ke Meng et autres

Organic semiconductors (OSCs) are featured by weak spin-orbit coupling due to their light chemical element composition, which enables them to maintain spin orientation for a long spin lifetime and show significant potential in room-temperature spin transport. Carrier mobility and spin lifetime are …

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Structural Isomeric Effect on Spin Transport in Molecular Semiconductors

Tingting Yang, Yang Qin, Meng Wu, Lidan Guo et autres

Molecular semiconductor (MSC) is a promising candidate for spintronic applications benefiting from its long spin lifetime caused by light elemental-composition essence and thus weak spin-orbit coupling (SOC). According to current knowledge, the SOC effect, normally dominated by the elemental composition, is the …

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