Article
Chemistry, Multidisciplinary
Zheng Chen, Shuming Duan, Xiaotao Zhang, Wenping Hu
Summary: A dual-function surfactant strategy was used to control the growth of large-area 2D organic semiconductor crystals, resulting in high-quality crystals and improved OFET mobility. This method opens up new possibilities for achieving high-performance OFETs with various high-quality 2D organic semiconductor crystals.
SCIENCE CHINA-CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Marco Hoeppner, Bahman Kheradmand-Boroujeni, Joern Vahland, Michael Franz Sawatzki, David Kneppe, Frank Ellinger, Hans Kleemann
Summary: The high-frequency and low-voltage operation of organic thin-film transistors (OTFTs) is crucial for the commercial success of flexible electronics. While significant progress has been made, technology maturity remains a key challenge, including scalability, integrability, and device reliability.
Article
Chemistry, Multidisciplinary
Jian Zhang, Gabriela Borin Barin, Roman Furrer, Cheng-Zhuo Du, Xiao-Ye Wang, Klaus Muellen, Pascal Ruffieux, Roman Fasel, Michel Calame, Mickael L. Perrin
Summary: Bottom-up synthesized graphene nanoribbons (GNRs) are of interest due to their atomically controlled structure and customizable physical properties. However, understanding the relationship between cryogenic charge transport and the number of GNRs in a device is challenging due to lack of precise control over GNR length and location.
Review
Chemistry, Multidisciplinary
Lukasz Janasz, Michal Borkowski, Paul W. M. Blom, Tomasz Marszalek, Wojciech Pisula
Summary: Organic semiconductors face limitations in their practical applicability due to low environmental stability and poor charge carrier mobilities. Blending with thermoplastic polymers and elastomers can overcome these restrictions and induce new material properties, showcasing great potential for flexible and stretchable electronics. Improved device properties such as charge carrier mobility, life-time, sensing ability, and mechanical behavior are achieved through blending with insulators, offering promise for various electronic devices and semiconductor classes.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Remy Jouclas, Jie Liu, Martina Volpi, Lygia Silva de Moraes, Guillaume Garbay, Nemo McIntosh, Marco Bardini, Vincent Lemaur, Alexandre Vercouter, Christos Gatsios, Federico Modesti, Nicholas Turetta, David Beljonne, Jerome Cornil, Alan R. Kennedy, Norbert Koch, Peter Erk, Paolo Samori, Guillaume Schweicher, Yves H. Geerts
Summary: The charge transport of crystalline organic semiconductors is limited by dynamic disorder that tends to localize charges. This study proposes an innovative design that combines a chemical structure based on sulfur-rich thienoacene with a solid-state herringbone (HB) packing to overcome this limitation. Two new thienoacenes are synthesized and characterized, and their charge transport properties are investigated. The results show promising device performances and pave the way for the design of high-performing materials based on this new thienoacene.
Article
Nanoscience & Nanotechnology
Taehoon Hwang, Eunyoung Park, Jungyoon Seo, Dashdendev Tsogbayar, Eun Ko, Chanwoo Yang, Hyungju Ahn, Dong Yun Lee, Hwa Sung Lee
Summary: This study investigates the correlation between organic field-effect transistors (OFETs) and organic charge-modulated field-effect transistors (OCMFETs) to improve the understanding of driving mechanisms in OCMFETs and optimize their device performance. By introducing self-assembled monolayers with different functional groups on the gate dielectric surface, the impact of surface characteristics on the electrical behavior of both devices is explored. The dipole moment of the dielectric surface is identified as a critical control variable in the performance correlation between OFET and OCMFET devices.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Zhongwu Wang, Yining Ma, Shujing Guo, Liqian Yuan, Yongxu Hu, Yinan Huang, Xiaosong Chen, Deyang Ji, Jinshun Bi, Yong Lei, Cheng Han, Liqiang Li, Wenping Hu
Summary: This work demonstrates photostable organic field-effect transistors (OFETs) by designing the micro-structure of organic semiconductors (OSs) and introducing an electrical double layer at the OS/polyelectrolyte dielectric interface to modulate exciton dynamics. The generation and dissociation of excitons are suppressed due to the small light-absorption area and excellent crystallinity of OSs. Furthermore, a highly efficient exciton quenching process is activated by the electrical double layer, resulting in outstanding tolerance of the OFETs to light irradiation.
Review
Chemistry, Multidisciplinary
Qing Zhang, Tengyu Jin, Xin Ye, Dechao Geng, Wei Chen, Wenping Hu
Summary: Photonic artificial synapses-based neuromorphic computing systems are promising candidates for replacing von Neumann-based systems. Organic field-effect transistors (OFETs) have significant advantages in synaptic emulation, enabling complex photoelectric modulation and simulation of the visual system.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Wanlong Lu, Jingning Cao, Chenyang Zhai, Laju Bu, Guanghao Lu, Yuanwei Zhu
Summary: This study investigated the influence of a novel soluble molecular dopant, CN6-CP, on the performance optimization of OFETs. The results showed that doping with CN6-CP significantly improved the field-effect mobility of OFETs and enabled wide tunability of the threshold voltage, demonstrating great potential for organic electronic applications.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Materials Science, Multidisciplinary
Xu Zhou, Zi Wang, Ruxin Song, Yadan Zhang, Lunan Zhu, Di Xue, Lizhen Huang, Lifeng Chi
Summary: Research on organic semiconductor gas sensors based on ambipolar transistors shows higher sensitivity and stability in gas sensing, enabling easier discrimination of target gases.
JOURNAL OF MATERIALS CHEMISTRY C
(2021)
Article
Chemistry, Multidisciplinary
Dingyi Lu, Fanming Huang, Caifang Gao, Jianming Yang, Jing Guo, Yuanyuan Hu, Qinye Bao, Yong-Young Noh, Junhao Chu, Wenwu Li
Summary: A new doping system using an organic salt p-dopant is reported to significantly improve the device performance of organic field-effect transistors (OFETs). The optimized doping ratios increase the hole mobility and reduce the threshold voltage, while also reducing contact resistance and activation energy. The study also explores the impact of doping ratios on trap density.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Arulmozhi Velusamy, Chih-Hsin Yu, Shakil N. Afraj, Chia-Chi Lin, Wei-Yu Lo, Chia-Jung Yeh, Ya-Wen Wu, Hsin-Chun Hsieh, Jianhua Chen, Gene-Hsiang Lee, Shih-Huang Tung, Cheng-Liang Liu, Ming-Chou Chen, Antonio Facchetti
Summary: A novel family of quinoidal thienoisoindigo (TII)-containing small molecules with dicyanomethylene end-capping units and different alkyl chains were synthesized for n-type organic small molecules in solution-processable organic field effect transistors (OFETs). The detailed molecular structure, properties, and performance of the 2-hexyldecyl substituted derivative, TIIQ-b16, were systematically studied, revealing its potential as electron transporting semiconductors with enhanced ambient stability. The results suggest that constructing quinoidal molecules from TII moiety is an effective approach to improve n-type charge transport characteristics.
Article
Materials Science, Multidisciplinary
Nicolo Lago, Marco Buonomo, Sara Ruiz-Molina, Andrea Pollesel, Rafael Cintra Hensel, Francesco Sedona, Mauro Sambi, Marta Mas-Torrent, Stefano Casalini, Andrea Cester
Summary: In this study, a blend of 2,8-Difluoro-5,11-bis(triethylsilylethynyl)anthradithiophene (diFTES-ADT) and polystyrene (PS) was used as the active material for the fabrication of dual-gate EGOFETs. A digital feedback mechanism using the back-gate electrode to dynamically compensate for the transistor threshold voltage was implemented to improve the stability of EGOFETs and enable prolonged testing. This real-time threshold voltage compensation not only stabilizes the DC output current of EGOFETs but also preserves their sensing capability for low-frequency signals.
ORGANIC ELECTRONICS
(2022)
Article
Green & Sustainable Science & Technology
Rosarita D'Orsi, Cristian Vlad Irimia, Jeannette J. Lucejko, Bilge Kahraman, Yasin Kanbur, Cigdem Yumusak, Mateusz Bednorz, Francesco Babudri, Mihai Irimia-Vladu, Alessandra Operamolla
Summary: Lignin is an abundant biopolymer derived from industrial pulping processes, but its application as a fine material is limited due to the lack of knowledge about its molecular structure and properties. This study analyzes the structural and chemical-physical characteristics of two kraft lignins and demonstrates their efficient application as gate dielectric materials in organic field-effect transistors.
ADVANCED SUSTAINABLE SYSTEMS
(2022)
Article
Materials Science, Multidisciplinary
Donia Saadi, Cigdem Yumusak, Ivana Zrinski, Andrei Ionut Mardare, Samir Romdhane, Niyazi Serdar Sariciftci, Mihai Irimia-Vladu, Markus Clark Scharber
Summary: This study investigates the magnetic field effect on the source-drain current of organic field-effect transistors using semiconductor layers made of H-bonded pigments. The results show that all devices experience a reduction in source-drain current when subjected to an external magnetic field, regardless of the applied magnetic field's direction. The observed increase in magnetoresistance is attributed to the semiconductor or the semiconductor-dielectric interface, unaffected by gate electrodes or deposition procedure. The formation of bipolarons is proposed as the cause for the magnetic field effect, as all prepared devices exhibit single charge carrier nature. These findings demonstrate the similar behavior of hydrogen-bonded semiconductors and classical van der Waals-bonded fully conjugated semiconductors.
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
Xuan Zhang, Li Li, Yang Lu, Shiqi Zhang, Junyao Zhang, Qianqian Shi, Jia Huang
Summary: By developing a new type of sensing material based on metal ions, researchers have successfully fabricated a series of sensors with excellent sensitivity, selectivity, and fast response times. These metal ions-based capacitive flexible sensors show great potential for low-cost chemical sensors and offer a promising strategy for developing new sensing materials.
ADVANCED MATERIALS TECHNOLOGIES
(2022)
Article
Nanoscience & Nanotechnology
Junyao Zhang, Dapeng Liu, Qingqing Ou, Yang Lu, Jia Huang
Summary: A photonic synaptic transistor based on porphyrin-graphene covalent hybrids has been developed and successfully simulates essential biological functions. The synaptic plasticity and learning efficiency can be regulated by adjusting parameters. This method operates at a low voltage and shows great prospects in neuromorphic devices.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Materials Science, Multidisciplinary
Ben Yang, Pu Guo, Dandan Hao, Yan Wang, Li Li, Shilei Dai, Jia Huang
Summary: All-inorganic lead halide perovskite quantum dots have great potential in the development of photodetectors due to their excellent photoelectric properties. By combining these perovskite quantum dots with an organic semiconductor, high-performance self-powered photodetectors with improved weak light detection ability have been developed.
SCIENCE CHINA-MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Dandan Hao, Zhenyu Yang, Jia Huang, Fukai Shan
Summary: Massive data processing with high efficiency and low power consumption is needed for the development of artificial intelligence and information technology. The current computing systems with separated memory and processor consume a large amount of energy and have a slow running speed during massive data processing. To address this issue, the brain-inspired neuromorphic computing system has been developed, which provides hardware support for emulating biological synaptic functions and achieving highly intensive data processing with low power consumption. The optoelectronic synaptic device (OSD), as a neuromorphic device, is considered an ideal replacement for the von Neumann-based computer due to its ultrafast signal transmission, large bandwidth, low energy consumption, and wireless communication. Metal halide perovskites (MHPs), with their unique optoelectronic properties, have gained increasing attention as effective photosensitive materials in OSDs. This review introduces the recent progress on MHPs-based OSDs (MHPs-OSDs), including the structures and properties of MHPs, and the architectures and performance characteristics of MHPs-OSDs. The applications of MHPs-OSDs are also presented. Finally, the outlook and opportunities of MHPs-OSDs are discussed.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Xiaoyu Zhang, Zhenyu Hu, Qi Sun, Xing Liang, Puzhong Gu, Jia Huang, Guoqing Zu
Summary: This paper reports a method for preparing wearable electronics with a gradient porous structure and an ultrabroad detection range. These electronics exhibit excellent strain transfer and resistance variation under high pressures, making them suitable for electronic skins and monitoring automobile tire pressure. Furthermore, the gradient aerogels used in this method can also be used for water purification.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Engineering, Environmental
Bingxin Shen, Ning Fu, Yuwen Chen, Wei Shao, Yurong Yan, Jia Huang, Zhenglong Yang
Summary: This study proposes a method to encapsulate low-cost micron-sized silicon suboxide (m-SiOx) into amorphous B, N co-doped carbon nanotube network (SSBCN) through metal cation-assisted carbonization. The encapsulation enables stable volume variation, efficient electron and Li-ion transfer, and fast electrolyte penetration. The SSBCN exhibits high reversible capacities, excellent rate performance, and long-term cycle stability, surpassing other SiOx-based anodes and presenting a new opportunity for m-SiOx in high-performance LIBs.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Junyao Zhang, Pu Guo, Ziyi Guo, Li Li, Tongrui Sun, Dapeng Liu, Li Tian, Guoqing Zu, Lize Xiong, Jianhua Zhang, Jia Huang
Summary: The study demonstrates retina-inspired optoelectronic synaptic transistors with broadband responses in the ultraviolet, visible, and near-infrared regions. These transistors leverage a wide-range photoresponsive charge trapping layer and a heterostructure formed between PbS quantum dots and organic semiconductor. They simulate comprehensive image perception, memory, and preprocessing functions while operating at low power consumption. These devices show great potential in implementing neuromorphic visual systems with broadband perception, increasing image processing efficiency, and promoting the development of artificial vision.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Shilei Dai, Xu Liu, Youdi Liu, Yutong Xu, Junyao Zhang, Yue Wu, Ping Cheng, Lize Xiong, Jia Huang
Summary: Living organisms possess a mysterious and powerful sensory computing system based on ion activity. The development of iontronic devices in recent years has provided a promising platform for simulating the sensing and computing functions of living organisms. These devices can generate, store, and transmit signals by adjusting ion concentration and distribution, bridging biology and electronics, and offering advantages in sensing and recognition. This review provides an overview of neuromorphic sensory computing by iontronic devices, highlighting concepts and breakthroughs, and discusses challenges and future directions.
ADVANCED MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Jun Wang, Ben Yang, Shilei Dai, Pu Guo, Yushan Gao, Li Li, Ziyi Guo, Junyao Zhang, Jianhua Zhang, Jia Huang
Summary: This study proposes photonic synaptic transistors based on inorganic semiconductor molybdenum disulfide (MoS2) and organic semiconductor heterojunction with adjustable short-term/long-term plasticity. These devices have outstanding photosensitive characteristics, allowing for weak light detection and synaptic responses at ultra-weak light intensity. They can also implement high-pass filtering function, image sharpening processing, logic functions, and associative learning behavior through all-optical stimulation. This research demonstrates the feasibility of developing multifunctional photonic synaptic transistors for neuromorphic computing.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Nanoscience & Nanotechnology
Pu Guo, Junyao Zhang, Dapeng Liu, Ruizhi Wang, Li Li, Li Tian, Jia Huang
Summary: This study develops solution-processed optoelectronic synaptic transistors (OSTs) that can simulate the visual nociceptor perception functions of the peripheral nervous system (PNS) and the memorizing and computing functions of the central nervous system (CNS). The OSTs demonstrate ultraviolet light selectivity and achieve 1000 conductance states, showing their potential for artificial vision and pattern recognition based on neural networks.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Review
Chemistry, Multidisciplinary
Ziyi Guo, Junyao Zhang, Xu Liu, Lu Wang, Lize Xiong, Jia Huang
Summary: This article summarizes the recent advances in photodetectors (PDs) and optoelectronic synaptic devices (OSDs) based on organic semiconductors and halide perovskites. The physical/chemical properties and preparation methods of organic semiconductor/halide perovskite heterojunctions are briefly introduced. The development and innovative applications of PDs and OSDs based on organic semiconductor/halide perovskite heterojunctions are systematically presented. The article also discusses prospective challenges and probable strategies for the future development of optoelectronic devices based on organic semiconductor/halide perovskite heterojunctions.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Dapeng Liu, Junyao Zhang, Qianqian Shi, Tongrui Sun, Yutong Xu, Li Li, Li Tian, Lize Xiong, Jianhua Zhang, Jia Huang
Summary: This article reports a moisture- and oxygen-insensitive organic synaptic device with stable performance under different working environments. The device utilizes a photoinduced free radical to achieve photosynaptic behavior and exhibits excitatory postsynaptic current, paired-pulse facilitation, learning, and forgetting behaviors. It also demonstrates high potential for ultraviolet B perception and contrast-enhanced capability. This work is important for the development of stable organic synaptic devices and systems.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Xing Liang, Xiaoyu Zhang, Zhenyu Hu, Qi Sun, Muxiang Liu, Puzhong Gu, Xiao Yang, Jia Huang, Guoqing Zu
Summary: This paper reports a novel battery-type all-in-one self-powered stretchable electronic skin with unprecedented high sensitivity, broad response range, high fatigue resistance, and excellent stretching stability. The self-powered pressure sensing mechanism used in this electronic skin is based on the resistance variation of the electrodes and electrolytes under external pressure. It provides a new and versatile strategy for designing next-generation all-in-one self-powered miniaturized sensors and electronic skins.
Article
Instruments & Instrumentation
Hoseong Jeong, Byung Jun Jung, Jae Hyun Kim, Soo-Yeon Seo, Hyun-do Yun, Kang Su Kim
Summary: The construction industry contributes significantly to global warming, with 5% of CO2 emissions resulting from cement manufacturing. To combat global warming, efforts are needed to prolong infrastructure lifespan through structural health monitoring and timely repair. Carbonation is often identified as a major cause of concrete deterioration, and current methods for measuring carbonation, such as destructive testing, are time-consuming and expensive. This study aimed to develop a pH sensor that can monitor the final stage of carbonation efficiently. The sensor, manufactured by functionalizing nylon with formaldehyde and chloroacetyl chloride and covalently bonding it with aniline blue, displayed a significant color change in the pH range of 5 to 10, showed sufficient response within 30 minutes, and demonstrated stability even in high pH environments like concrete.
SMART MATERIALS AND STRUCTURES
(2023)
Article
Chemistry, Multidisciplinary
Junyao Zhang, Ziyi Guo, Tongrui Sun, Pu Guo, Xu Liu, Huaiyu Gao, Shilei Dai, Lize Xiong, Jia Huang
Summary: This study demonstrates the development of broadband photoelectric synaptic transistors using environmentally friendly CuInSe2 quantum dots and organic semiconductors, capable of converting light signals ranging from ultraviolet to near-infrared into post-synaptic currents. These transistors emulate various synaptic functions and information processing functions in a broadband spectral range.
