1
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Li M, Liu M, Qi F, Lin FR, Jen AKY. Self-Assembled Monolayers for Interfacial Engineering in Solution-Processed Thin-Film Electronic Devices: Design, Fabrication, and Applications. Chem Rev 2024; 124:2138-2204. [PMID: 38421811 DOI: 10.1021/acs.chemrev.3c00396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
Interfacial engineering has long been a vital means of improving thin-film device performance, especially for organic electronics, perovskites, and hybrid devices. It greatly facilitates the fabrication and performance of solution-processed thin-film devices, including organic field effect transistors (OFETs), organic solar cells (OSCs), perovskite solar cells (PVSCs), and organic light-emitting diodes (OLEDs). However, due to the limitation of traditional interfacial materials, further progress of these thin-film devices is hampered particularly in terms of stability, flexibility, and sensitivity. The deadlock has gradually been broken through the development of self-assembled monolayers (SAMs), which possess distinct benefits in transparency, diversity, stability, sensitivity, selectivity, and surface passivation ability. In this review, we first showed the evolution of SAMs, elucidating their working mechanisms and structure-property relationships by assessing a wide range of SAM materials reported to date. A comprehensive comparison of various SAM growth, fabrication, and characterization methods was presented to help readers interested in applying SAM to their works. Moreover, the recent progress of the SAM design and applications in mainstream thin-film electronic devices, including OFETs, OSCs, PVSCs and OLEDs, was summarized. Finally, an outlook and prospects section summarizes the major challenges for the further development of SAMs used in thin-film devices.
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Affiliation(s)
- Mingliang Li
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong 999077, China
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, Hong Kong 999077, China
| | - Ming Liu
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong 999077, China
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, Hong Kong 999077, China
| | - Feng Qi
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong 999077, China
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, Hong Kong 999077, China
| | - Francis R Lin
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong 999077, China
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong 999077, China
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, Hong Kong 999077, China
| | - Alex K-Y Jen
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong 999077, China
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong 999077, China
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, Hong Kong 999077, China
- Department of Materials Science and Engineering, University of Washington, Seattle, Washington 98195, United States
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong 999077, China
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2
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Gong H, Lin J, Sun H. Nanocrystal Array Engineering and Optoelectronic Applications of Organic Small-Molecule Semiconductors. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2087. [PMID: 37513098 PMCID: PMC10386679 DOI: 10.3390/nano13142087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/10/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023]
Abstract
Organic small-molecule semiconductor materials have attracted extensive attention because of their excellent properties. Due to the randomness of crystal orientation and growth location, however, the preparation of continuous and highly ordered organic small-molecule semiconductor nanocrystal arrays still face more challenges. Compared to organic macromolecules, organic small molecules exhibit better crystallinity, and therefore, they exhibit better semiconductor performance. The formation of organic small-molecule crystals relies heavily on weak interactions such as hydrogen bonds, van der Waals forces, and π-π interactions, which are very sensitive to external stimuli such as mechanical forces, high temperatures, and organic solvents. Therefore, nanocrystal array engineering is more flexible than that of the inorganic materials. In addition, nanocrystal array engineering is a key step towards practical application. To resolve this problem, many conventional nanocrystal array preparation methods have been developed, such as spin coating, etc. In this review, the typical and recent progress of nanocrystal array engineering are summarized. It is the typical and recent innovations that the array of nanocrystal array engineering can be patterned on the substrate through top-down, bottom-up, self-assembly, and crystallization methods, and it can also be patterned by constructing a series of microscopic structures. Finally, various multifunctional and emerging applications based on organic small-molecule semiconductor nanocrystal arrays are introduced.
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Affiliation(s)
- Haoyu Gong
- Key Laboratory of Flexible Electronics (KLoFE), Institute of Advanced Materials (IAM), Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, China
| | - Jinyi Lin
- Key Laboratory of Flexible Electronics (KLoFE), Institute of Advanced Materials (IAM), Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, China
| | - Huibin Sun
- Key Laboratory of Flexible Electronics (KLoFE), Institute of Advanced Materials (IAM), Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, China
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3
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Zhao Y, Wang W, He Z, Peng B, Di CA, Li H. High-performance and multifunctional organic field-effect transistors. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.108094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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4
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Wang H, Jiang S, Hao Z, Xu X, Pei M, Guo J, Wang Q, Li Y, Chen J, Xu J, Wang X, Wang J, Shi Y, Li Y. Molecular-Layer-Defined Asymmetric Schottky Contacts in Organic Planar Diodes for Self-Powered Optoelectronic Synapses. J Phys Chem Lett 2022; 13:2338-2347. [PMID: 35254069 DOI: 10.1021/acs.jpclett.2c00176] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Optoelectronic synapses have been utilized as neuromorphic vision sensors for image preprocessing in artificial visual systems. Self-powered optoelectronic synapses, which can directly convert optical power into electrical power, are promising for practical applications. The Schottky junction tends to be a promising candidate as the energy source for electrical operations. However, fully utilizing the potential of Schottky barriers is still challenging. Herein, organic self-powered optoelectronic synapses with planar diode architecture are fabricated, which can simultaneously sense and process ultraviolet (UV) signals. The photovoltaic operations are facilitated by the built-in potential originating from the molecular-layer-defined asymmetric Schottky contacts. Diverse synaptic behaviors under UV light stimulation without external power supplies are facilitated by the interfacial carrier-capturing layer, which emulates the membranes of synapses. Furthermore, retina-inspired image preprocessing functions are demonstrated on the basis of synaptic plasticity. Therefore, our devices provide the potential for the development of power-efficient and advanced artificial visual systems.
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Affiliation(s)
- Hengyuan Wang
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Sai Jiang
- School of Microelectronics and Control Engineering, Changzhou University, Changzhou 213164, P.R. China
| | - Ziqian Hao
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Xin Xu
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Mengjiao Pei
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Jianhang Guo
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Qijing Wang
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Yating Li
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Jiaming Chen
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Jun Xu
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Xinran Wang
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Junzhuan Wang
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Yi Shi
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Yun Li
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
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5
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Yang S, Zhang Y, Wang Y, Yao J, Zhang L, Ren X, Li X, Lei S, Zhang X, Yang F, Li R, Hu W. Ultra-thin two-dimensional molecular crystals grown on a liquid surface for high-performance phototransistors. Chem Commun (Camb) 2021; 57:2669-2672. [PMID: 33594401 DOI: 10.1039/d0cc07545k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel strategy for the growth of molecularly thin two-dimensional molecular crystals (2DMCs) of organic semiconductors with poor solubility was developed. Large-area bilayer 2DMCs were grown on a liquid surface at elevated temperatures, with record mobility and superior photoresponse.
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Affiliation(s)
- Shuyuan Yang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science, Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China.
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6
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Jiang S, Wang Q, Qian J, Guo J, Duan Y, Wang H, Shi Y, Li Y. Molecular Layer-Defined Transition of Carrier Distribution and Correlation with Transport in Organic Crystalline Semiconductors. ACS APPLIED MATERIALS & INTERFACES 2020; 12:26267-26275. [PMID: 32406235 DOI: 10.1021/acsami.0c04873] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Despite the great efforts to unveil the charge carrier behavior at the semiconductor/dielectric interface of organic field-effect transistors, an examination of the interfacial carrier distribution and the correlation with the charge transport in molecular crystalline semiconductors remains fundamental for understanding the nature of the microscopic carrier motion. Hence, an effective approach to accurately tune the carrier distribution with molecular-layer precision is essential. Here, we find that the carrier accumulation is strictly modulated in highly ordered, few-layer molecular crystalline semiconducting films by tuning the polaronic coupling between the charge carriers and dielectric. The admittance method reveals that the carriers distribute only within a monolayer with stronger localization on a high-κ dielectric and extend to a second layer with better delocalization on a low-κ dielectric. Furthermore, a unique dimensional transition in the charge transport at the dielectric interface is evidenced under a transistor architecture by temperature-dependent measurements. The presented microscopic nature of charge carriers with layer-defined precision in molecular crystalline films should provide an unprecedented opportunity in organic electronics in terms of interface engineering, quantum transport, and device physics.
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Affiliation(s)
- Sai Jiang
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Qijing Wang
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Jun Qian
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Jianhang Guo
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Yiwei Duan
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Hengyuan Wang
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Yi Shi
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
| | - Yun Li
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210093, P. R. China
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7
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Wang C, Fu B, Zhang X, Li R, Dong H, Hu W. Solution-Processed, Large-Area, Two-Dimensional Crystals of Organic Semiconductors for Field-Effect Transistors and Phototransistors. ACS CENTRAL SCIENCE 2020; 6:636-652. [PMID: 32490182 PMCID: PMC7256937 DOI: 10.1021/acscentsci.0c00251] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Indexed: 06/11/2023]
Abstract
Organic electronics with π-conjugated organic semiconductors are promising candidates for the next electronics revolution. For the conductive channel, the large-area two-dimensional (2D) crystals of organic semiconductors (2DCOS) serve as useful scaffolds for modern organic electronics, benefiting not only from long-range order and low defect density nature but also from unique charge transport characteristic and photoelectrical properties. Meanwhile, the solution process with advantages of cost-effectiveness and room temperature compatibility is the foundation of high-throughput print electrical devices. Herein, we will give an insightful overview to witness the huge advances in 2DCOS over the past decade. First, the typical influencing factors and state-of-the-art assembly strategies of the solution-process for large-area 2DCOS over sub-millimeter even to wafer size are discussed accompanying rational evaluation. Then, the charge transport characteristics and contact resistance of 2DCOS-based transistors are explored. Following this, beyond single transistors, the p-n junction devices and planar integrated circuits based on 2DCOS are also emphasized. Furthermore, the burgeoning phototransistors (OPTs) based on crystals in the 2D limits are elaborated. Next, we emphasized the unique and enhanced photoelectrical properties based on a hybrid system with other 2D van der Waals solids. Finally, frontier insights and opportunities are proposed, promoting further research in this field.
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Affiliation(s)
- Cong Wang
- Tianjin
Key Laboratory of Molecular Optoelectronic Sciences, Department of
Chemistry, School of Science, Tianjin University
and Collaborative Innovation Center of Chemical Science and Engineering
(Tianjin), Tianjin 300072, China
| | - Beibei Fu
- Tianjin
Key Laboratory of Molecular Optoelectronic Sciences, Department of
Chemistry, School of Science, Tianjin University
and Collaborative Innovation Center of Chemical Science and Engineering
(Tianjin), Tianjin 300072, China
| | - Xiaotao Zhang
- Tianjin
Key Laboratory of Molecular Optoelectronic Sciences, Department of
Chemistry, School of Science, Tianjin University
and Collaborative Innovation Center of Chemical Science and Engineering
(Tianjin), Tianjin 300072, China
| | - Rongjin Li
- Tianjin
Key Laboratory of Molecular Optoelectronic Sciences, Department of
Chemistry, School of Science, Tianjin University
and Collaborative Innovation Center of Chemical Science and Engineering
(Tianjin), Tianjin 300072, China
| | - Huanli Dong
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Organic
Solids, Institute of Chemistry, Chinese
Academy of Sciences, Beijing 100190, China
| | - Wenping Hu
- Tianjin
Key Laboratory of Molecular Optoelectronic Sciences, Department of
Chemistry, School of Science, Tianjin University
and Collaborative Innovation Center of Chemical Science and Engineering
(Tianjin), Tianjin 300072, China
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8
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Jiang H, Hu W. The Emergence of Organic Single-Crystal Electronics. Angew Chem Int Ed Engl 2019; 59:1408-1428. [PMID: 30927312 DOI: 10.1002/anie.201814439] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 03/25/2019] [Indexed: 12/14/2022]
Abstract
Organic semiconducting single crystals are perfect for both fundamental and application-oriented research due to the advantages of free grain boundaries, few defects, and minimal traps and impurities, as well as their low-temperature processability, high flexibility, and low cost. Carrier mobilities of greater than 10 cm2 V-1 s-1 in some organic single crystals indicate a promising application in electronic devices. The progress made, including the molecular structures and fabrication technologies of organic single crystals, is introduced and organic single-crystal electronic devices, including field-effect transistors, phototransistors, p-n heterojunctions, and circuits, are summarized. Organic two-dimensional single crystals, cocrystals, and large single crystals, together with some potential applications, are introduced. A state-of-the-art overview of organic single-crystal electronics, with their challenges and prospects, is also provided.
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Affiliation(s)
- Hui Jiang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Sciences, Tianjin University, No. 92#, Weijin Road, Tianjin, 300072, China.,School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore, Singapore
| | - Wenping Hu
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Sciences, Tianjin University, No. 92#, Weijin Road, Tianjin, 300072, China.,Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
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9
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Affiliation(s)
- Hui Jiang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of Chemistry School of Sciences Tianjin University No. 92#, Weijin Road Tianjin 300072 China
- School of Materials Science and Engineering Nanyang Technological University 639798 Singapore Singapur
| | - Wenping Hu
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of Chemistry School of Sciences Tianjin University No. 92#, Weijin Road Tianjin 300072 China
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Organic Solids Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
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10
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Yao J, Zhang Y, Tian X, Zhang X, Zhao H, Zhang X, Jie J, Wang X, Li R, Hu W. Layer‐Defining Strategy to Grow Two‐Dimensional Molecular Crystals on a Liquid Surface down to the Monolayer Limit. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909552] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jiarong Yao
- Tianjin Key Laboratory of Molecular Optoelectronic SciencesDepartment of ChemistrySchool of ScienceTianjin University, and Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
| | - Yu Zhang
- Tianjin Key Laboratory of Molecular Optoelectronic SciencesDepartment of ChemistrySchool of ScienceTianjin University, and Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
| | - Xinzi Tian
- Tianjin Key Laboratory of Molecular Optoelectronic SciencesDepartment of ChemistrySchool of ScienceTianjin University, and Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
| | - Xiali Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM)Jiangsu Key Laboratory for Carbon-Based Functional Materials & DevicesSoochow University Suzhou 215123 China
| | - Huijuan Zhao
- National Laboratory of Solid State MicrostructuresSchool of Electronic Science and Engineering, and Collaborative Innovation Center of Advanced MicrostructuresNanjing University Nanjing 210093 China
| | - Xiaotao Zhang
- Tianjin Key Laboratory of Molecular Optoelectronic SciencesDepartment of ChemistrySchool of ScienceTianjin University, and Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
| | - Jiansheng Jie
- Institute of Functional Nano & Soft Materials (FUNSOM)Jiangsu Key Laboratory for Carbon-Based Functional Materials & DevicesSoochow University Suzhou 215123 China
| | - Xinran Wang
- National Laboratory of Solid State MicrostructuresSchool of Electronic Science and Engineering, and Collaborative Innovation Center of Advanced MicrostructuresNanjing University Nanjing 210093 China
| | - Rongjin Li
- Tianjin Key Laboratory of Molecular Optoelectronic SciencesDepartment of ChemistrySchool of ScienceTianjin University, and Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
| | - Wenping Hu
- Tianjin Key Laboratory of Molecular Optoelectronic SciencesDepartment of ChemistrySchool of ScienceTianjin University, and Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Organic SolidsInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- Joint School of National University of SingaporeTianjin UniversityInternational Campus of Tianjin University Binhai New City Fuzhou 350207 China
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11
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Zhou Z, Wu Q, Wang S, Huang Y, Guo H, Feng S, Chan PKL. Field-Effect Transistors Based on 2D Organic Semiconductors Developed by a Hybrid Deposition Method. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1900775. [PMID: 31592413 PMCID: PMC6774035 DOI: 10.1002/advs.201900775] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 07/13/2019] [Indexed: 05/23/2023]
Abstract
Solution-processed 2D organic semiconductors (OSCs) have drawn considerable attention because of their novel applications from flexible optoelectronics to biosensors. However, obtaining well-oriented sheets of 2D organic materials with low defect density still poses a challenge. Here, a highly crystallized 2,9-didecyldinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene (C10-DNTT) monolayer crystal with large-area uniformity is obtained by an ultraslow shearing (USS) method and its growth pattern shows a kinetic Wulff's construction supported by theoretical calculations of surface energies. The resulting seamless and highly crystalline monolayers are then used as templates for thermally depositing another C10-DNTT ultrathin top-up film. The organic thin films deposited by this hybrid approach show an interesting coherence structure with a copied molecular orientation of the templating crystal. The organic field-effect transistors developed by these hybrid C10-DNTT films exhibit improved carrier mobility of 14.7 cm2 V-1 s-1 as compared with 7.3 cm2 V-1 s-1 achieved by pure thermal evaporation (100% improvement) and 2.8 cm2 V-1 s-1 achieved by solution sheared monolayer C10-DNTT. This work establishes a simple yet effective approach for fabricating high-performance and low-cost electronics on a large scale.
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Affiliation(s)
- Zhiwen Zhou
- Department of Mechanical EngineeringThe University of Hong KongPok Fu Lam RoadHong Kong
| | - Qisheng Wu
- Department of Chemistry and Chemical BiologyUniversity of New MexicoAlbuquerqueNM87131USA
| | - Sijia Wang
- Department of Mechanical EngineeringThe University of Hong KongPok Fu Lam RoadHong Kong
| | - Yu‐Ting Huang
- Department of Mechanical EngineeringThe University of Hong KongPok Fu Lam RoadHong Kong
| | - Hua Guo
- Department of Chemistry and Chemical BiologyUniversity of New MexicoAlbuquerqueNM87131USA
| | - Shien‐Ping Feng
- Department of Mechanical EngineeringThe University of Hong KongPok Fu Lam RoadHong Kong
| | - Paddy Kwok Leung Chan
- Department of Mechanical EngineeringThe University of Hong KongPok Fu Lam RoadHong Kong
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12
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Yao J, Zhang Y, Tian X, Zhang X, Zhao H, Zhang X, Jie J, Wang X, Li R, Hu W. Layer‐Defining Strategy to Grow Two‐Dimensional Molecular Crystals on a Liquid Surface down to the Monolayer Limit. Angew Chem Int Ed Engl 2019; 58:16082-16086. [DOI: 10.1002/anie.201909552] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Indexed: 01/15/2023]
Affiliation(s)
- Jiarong Yao
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of Chemistry School of Science Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
| | - Yu Zhang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of Chemistry School of Science Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
| | - Xinzi Tian
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of Chemistry School of Science Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
| | - Xiali Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices Soochow University Suzhou 215123 China
| | - Huijuan Zhao
- National Laboratory of Solid State Microstructures School of Electronic Science and Engineering, and Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing 210093 China
| | - Xiaotao Zhang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of Chemistry School of Science Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
| | - Jiansheng Jie
- Institute of Functional Nano & Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices Soochow University Suzhou 215123 China
| | - Xinran Wang
- National Laboratory of Solid State Microstructures School of Electronic Science and Engineering, and Collaborative Innovation Center of Advanced Microstructures Nanjing University Nanjing 210093 China
| | - Rongjin Li
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of Chemistry School of Science Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
| | - Wenping Hu
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of Chemistry School of Science Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering Tianjin 300072 China
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Organic Solids Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- Joint School of National University of Singapore Tianjin University, International Campus of Tianjin University Binhai New City Fuzhou 350207 China
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13
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Pei M, Qian J, Jiang S, Guo J, Yang C, Pan D, Wang Q, Wang X, Shi Y, Li Y. pJ-Level Energy-Consuming, Low-Voltage Ferroelectric Organic Field-Effect Transistor Memories. J Phys Chem Lett 2019; 10:2335-2340. [PMID: 31016982 DOI: 10.1021/acs.jpclett.9b00864] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Ferroelectric organic field-effect transistors (Fe-OFETs) have attracted considerable attention because of their promising potential for memory applications, while a critical issue is the large energy consumption mainly caused by a high operating voltage and slow data switching. Here, we employ ultrathin ferroelectric polymer and semiconducting molecular crystals to create low-voltage Fe-OFET memories. Devices require only pJ-level energy consumption. The writing and erasing processes require ∼1.2 and 1.6 pJ/bit, respectively, and the reading energy is ∼1.9 pJ/bit (on state) and ∼0.2 fJ/bit (off state). Thus, our memories consume only <0.1% of the energy required for devices using bulk functional layers. Besides, our devices also exhibit low contact resistance and steep subthreshold swing. Therefore, we provide a strategy that opens up a path for Fe-OFETs toward emerging applications, such as wearable electronics.
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Affiliation(s)
- Mengjiao Pei
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Jun Qian
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Sai Jiang
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Jianhang Guo
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Chengdong Yang
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Danfeng Pan
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Qijing Wang
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Xinran Wang
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Yi Shi
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
| | - Yun Li
- National Laboratory of Solid-State Microstructures, School of Electronic Science and Engineering, Collaborative Innovation Center of Advanced Microstructures , Nanjing University , Nanjing , Jiangsu 210093 , People's Republic of China
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