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Guo T, Li S, Zhou YN, Lu WD, Yan Y, Wu YA. Interspecies-chimera machine vision with polarimetry for real-time navigation and anti-glare pattern recognition. Nat Commun 2024; 15:6731. [PMID: 39112546 PMCID: PMC11306562 DOI: 10.1038/s41467-024-51178-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 08/01/2024] [Indexed: 08/10/2024] Open
Abstract
Cutting-edge humanoid machine vision merely mimics human systems and lacks polarimetric functionalities that convey the information of navigation and authentic images. Interspecies-chimera vision reserving multiple hosts' capacities will lead to advanced machine vision. However, implementing the visual functions of multiple species (human and non-human) in one optoelectronic device is still elusive. Here, we develop an optically-controlled polarimetry memtransistor based on a van der Waals heterostructure (ReS2/GeSe2). The device provides polarization sensitivity, nonvolatility, and positive/negative photoconductance simultaneously. The polarimetric measurement can identify celestial polarizations for real-time navigation like a honeybee. Meanwhile, cognitive tasks can be completed like a human by sensing, memory, and synaptic functions. Particularly, the anti-glare recognition with polarimetry saves an order of magnitude energy compared to the traditional humanoid counterpart. This technique promotes the concept of interspecies-chimera visual systems that will leverage the advances of autonomous vehicles, medical diagnoses, intelligent robotics, etc.
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Affiliation(s)
- Tao Guo
- School of Physics, Henan Normal University, Henan, 453007, China
- Department of Mechanical and Mechatronics Engineering, and Waterloo Institute of Nanotechnology, Materials Interfaces Foundry, University of Waterloo, Waterloo, ON, N2L 3G1, Canada
| | - Shasha Li
- School of Physics, Henan Normal University, Henan, 453007, China
| | - Y Norman Zhou
- Department of Mechanical and Mechatronics Engineering, and Waterloo Institute of Nanotechnology, Materials Interfaces Foundry, University of Waterloo, Waterloo, ON, N2L 3G1, Canada
| | - Wei D Lu
- Department of Electrical and Computer Engineering, the University of Michigan, Ann Arbor, MI, 48109, USA
| | - Yong Yan
- School of Physics, Henan Normal University, Henan, 453007, China.
- Department of Mechanical and Mechatronics Engineering, and Waterloo Institute of Nanotechnology, Materials Interfaces Foundry, University of Waterloo, Waterloo, ON, N2L 3G1, Canada.
- iGaN Laboratory, School of Microelectronics, University of Science and Technology ofChina Hefei, Anhui, 230026, China.
| | - Yimin A Wu
- Department of Mechanical and Mechatronics Engineering, and Waterloo Institute of Nanotechnology, Materials Interfaces Foundry, University of Waterloo, Waterloo, ON, N2L 3G1, Canada.
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Yang Y, Jia L, Wang D, Zhou J. Advanced Strategies in Synthesis of Two-Dimensional Materials with Different Compositions and Phases. SMALL METHODS 2023; 7:e2201585. [PMID: 36739597 DOI: 10.1002/smtd.202201585] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/28/2022] [Indexed: 06/18/2023]
Abstract
In recent years, 2D materials-Ma Xb with different compositions and phases have attracted tremendous attention due to their diverse structures and electronic features. The common thermodynamically stable 2H and metastable 1T phases have been extensively studied, however, there are many unusual compositions and phases with novel physical properties that have yet to be explored. Therefore, summarization of the synthesis strategies, atomic structures, and the unique physical properties of 2D materials with different compositions and phases is very important for their development. In this review, the strategies including chemical vapor deposition, intercalation, atomic layer deposition, chemical vapor transport, and electrostatic gating for synthesizing various 2D materials with different phases and compositions are first summarized. Specially, the intercalation strategies including heterogeneous- and self-intercalation for controllable phases and compositions fabrication are mainly discussed. Then, the novel atomic structures of 2D materials are analyzed, followed by the fascinating physical properties including ferroelectricity, ferromagnetism, superconductivity, and so on. Finally, the conclusion and outlook are offered including the challenges and future prospects of 2D materials with different compositions and phases.
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Affiliation(s)
- Yang Yang
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, 100081, China
| | - Lin Jia
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, 100081, China
| | - Dainan Wang
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, 100081, China
| | - Jiadong Zhou
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, 100081, China
- MIIT Key Laboratory of Complex-field Intelligent Exploration, Beijing Institute of Technology, Beijing, 100081, China
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Giri A, Park G, Jeong U. Layer-Structured Anisotropic Metal Chalcogenides: Recent Advances in Synthesis, Modulation, and Applications. Chem Rev 2023; 123:3329-3442. [PMID: 36719999 PMCID: PMC10103142 DOI: 10.1021/acs.chemrev.2c00455] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The unique electronic and catalytic properties emerging from low symmetry anisotropic (1D and 2D) metal chalcogenides (MCs) have generated tremendous interest for use in next generation electronics, optoelectronics, electrochemical energy storage devices, and chemical sensing devices. Despite many proof-of-concept demonstrations so far, the full potential of anisotropic chalcogenides has yet to be investigated. This article provides a comprehensive overview of the recent progress made in the synthesis, mechanistic understanding, property modulation strategies, and applications of the anisotropic chalcogenides. It begins with an introduction to the basic crystal structures, and then the unique physical and chemical properties of 1D and 2D MCs. Controlled synthetic routes for anisotropic MC crystals are summarized with example advances in the solution-phase synthesis, vapor-phase synthesis, and exfoliation. Several important approaches to modulate dimensions, phases, compositions, defects, and heterostructures of anisotropic MCs are discussed. Recent significant advances in applications are highlighted for electronics, optoelectronic devices, catalysts, batteries, supercapacitors, sensing platforms, and thermoelectric devices. The article ends with prospects for future opportunities and challenges to be addressed in the academic research and practical engineering of anisotropic MCs.
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Affiliation(s)
- Anupam Giri
- Department of Chemistry, Faculty of Science, University of Allahabad, Prayagraj, UP-211002, India
| | - Gyeongbae Park
- Department of Materials Science and Engineering, Pohang University of Science and Technology, Cheongam-Ro 77, Nam-Gu, Pohang, Gyeongbuk790-784, Korea.,Functional Materials and Components R&D Group, Korea Institute of Industrial Technology, Gwahakdanji-ro 137-41, Sacheon-myeon, Gangneung, Gangwon-do25440, Republic of Korea
| | - Unyong Jeong
- Department of Materials Science and Engineering, Pohang University of Science and Technology, Cheongam-Ro 77, Nam-Gu, Pohang, Gyeongbuk790-784, Korea
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Sutter E, French JS, Sutter P. Germanium Diselenide Ribbons with Orthorhombic Crystal Structure. NANO LETTERS 2022; 22:7952-7958. [PMID: 36179329 DOI: 10.1021/acs.nanolett.2c02989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Many materials are known to exist in several stable polymorphs, but synthesis only provides access to a subset. This situation is exemplified by the dichalcogenide semiconductor GeSe2. Besides the amorphous form, which attracted intense interest, crystalline GeSe2 in the bulk and in nanostructures such as flakes and nanobelts invariably adopts the 2D/layered monoclinic β-phase. Hence, the properties of other polymorphs such as the orthorhombic 3D GeSe2 phase remain unknown. Here, we report the high-yield synthesis of orthorhombic GeSe2 nanoribbons by GeSe/Se vapor transport over Au catalysts. Access to air-stable monocrystalline, single-phase ribbons enabled investigating the properties of orthorhombic GeSe2 including its characteristic Raman spectrum. Optical absorption on ensembles and cathodoluminescence spectroscopy on individual ribbons show a wide bandgap and intense band-to-band emission in the visible, with a broad sub-bandgap emission tail. Our results establish orthorhombic GeSe2 ribbons as a promising wide-bandgap semiconductor nanostructure for applications in optoelectronics and energy conversion.
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Affiliation(s)
- Eli Sutter
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
- Nebraska Center for Materials and Nanoscience, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
| | - Jacob S French
- Department of Electrical and Computer Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
| | - Peter Sutter
- Department of Electrical and Computer Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, United States
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Noh G, Song H, Choi H, Kim M, Jeong JH, Lee Y, Choi MY, Oh S, Jo MK, Woo DY, Jo Y, Park E, Moon E, Kim TS, Chai HJ, Huh W, Lee CH, Kim CJ, Yang H, Song S, Jeong HY, Kim YS, Lee GH, Lim J, Kim CG, Chung TM, Kwak JY, Kang K. Large Memory Window of van der Waals Heterostructure Devices Based on MOCVD-Grown 2D Layered Ge 4 Se 9. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2204982. [PMID: 36000232 DOI: 10.1002/adma.202204982] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 08/12/2022] [Indexed: 06/15/2023]
Abstract
Van der Waals (vdW) heterostructures have drawn much interest over the last decade owing to their absence of dangling bonds and their intriguing low-dimensional properties. The emergence of 2D materials has enabled the achievement of significant progress in both the discovery of physical phenomena and the realization of superior devices. In this work, the group IV metal chalcogenide 2D-layered Ge4 Se9 is introduced as a new selection of insulating vdW material. 2D-layered Ge4 Se9 is synthesized with a rectangular shape using the metalcorganic chemical vapor deposition system using a liquid germanium precursor at 240 °C. By stacking the Ge4 Se9 and MoS2 , vdW heterostructure devices are fabricated with a giant memory window of 129 V by sweeping back gate range of ±80 V. The gate-independent decay time reveals that the large hysteresis is induced by the interfacial charge transfer, which originates from the low band offset. Moreover, repeatable conductance changes are observed over the 2250 pulses with low non-linearity values of 0.26 and 0.95 for potentiation and depression curves, respectively. The energy consumption of the MoS2 /Ge4 Se9 device is about 15 fJ for operating energy and the learning accuracy of image classification reaches 88.3%, which further proves the great potential of artificial synapses.
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Affiliation(s)
- Gichang Noh
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
- Center for Neuromorphic Engineering, Korea Institute Science and Technology (KIST), Seoul, 02792, Korea
| | - Hwayoung Song
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
| | - Heenang Choi
- Thin Film Materials Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon, 34114, Korea
| | - Mingyu Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
| | - Jae Hwan Jeong
- Department of Materials Science and Engineering, Yonsei University, Seoul, 03722, Korea
| | - Yongjoon Lee
- Department of Physics, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
| | - Min-Yeong Choi
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Korea
| | - Saeyoung Oh
- Graduate School of Semiconductor Materials and Devices Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Korea
| | - Min-Kyung Jo
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
- Operando Methodology and Measurement Team, Korea Research Institute of Standards & Science (KRISS), Daejeon, 34113, Korea
| | - Dong Yeon Woo
- Center for Neuromorphic Engineering, Korea Institute Science and Technology (KIST), Seoul, 02792, Korea
| | - Yooyeon Jo
- Center for Neuromorphic Engineering, Korea Institute Science and Technology (KIST), Seoul, 02792, Korea
| | - Eunpyo Park
- Center for Neuromorphic Engineering, Korea Institute Science and Technology (KIST), Seoul, 02792, Korea
| | - Eoram Moon
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
| | - Tae Soo Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
| | - Hyun-Jun Chai
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
| | - Woong Huh
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, 02841, Korea
| | - Chul-Ho Lee
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, 02841, Korea
- Advanced Materials Research Division, Korea Institute of Science and Technology (KIST), Seoul, 02792, Korea
| | - Cheol-Joo Kim
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Korea
| | - Heejun Yang
- Department of Physics, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
| | - Senugwoo Song
- Operando Methodology and Measurement Team, Korea Research Institute of Standards & Science (KRISS), Daejeon, 34113, Korea
| | - Hu Young Jeong
- Graduate School of Semiconductor Materials and Devices Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Korea
| | - Yong-Sung Kim
- Low-Dimensional Material Team, Korea Research Institute of Standards and Science (KRISS), Daejeon, 34113, Korea
| | - Gwan-Hyoung Lee
- Department of Materials Science and Engineering, Seoul National University, Seoul, 08826, Korea
| | - Jongsun Lim
- Thin Film Materials Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon, 34114, Korea
| | - Chang Gyoun Kim
- Thin Film Materials Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon, 34114, Korea
| | - Taek-Mo Chung
- Thin Film Materials Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon, 34114, Korea
| | - Joon Young Kwak
- Center for Neuromorphic Engineering, Korea Institute Science and Technology (KIST), Seoul, 02792, Korea
- Division of Nanoscience and Technology, Korea University of Science and Technology (UST), Daejeon, 34113, Korea
| | - Kibum Kang
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Korea
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Sutter E, French JS, Sutter P. Free-standing large, ultrathin germanium selenide van der Waals ribbons by combined vapor-liquid-solid growth and edge attachment. NANOSCALE 2022; 14:6195-6201. [PMID: 35393984 DOI: 10.1039/d2nr00397j] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Among group IV monochalcogenides, layered GeSe is of interest for its anisotropic properties, 1.3 eV direct band gap, ferroelectricity, high mobility, and excellent environmental stability. Electronic, optoelectronic and photovoltaic applications depend on the development of synthesis approaches that yield large quantities of crystalline flakes with controllable size and thickness. Here, we demonstrate the growth of single-crystalline GeSe nanoribbons by a vapor-liquid-solid process over Au catalyst on different substrates at low thermal budget. The nanoribbons crystallize in a layered structure, with ribbon axis along the armchair direction of the van der Waals layers. The ribbon morphology is determined by catalyst driven fast longitudinal growth accompanied by lateral expansion via edge-specific incorporation into the basal planes. This combined growth mechanism enables temperature controlled realization of ribbons with typical widths of up to 30 μm and lengths exceeding 100 μm, while maintaining sub-50 nm thickness. Nanoscale cathodoluminescence spectroscopy on individual GeSe nanoribbons demonstrates intense temperature-dependent band-edge emission up to room temperature, with fundamental bandgap and temperature coefficient of Eg(0) = 1.29 eV and α = 3.0 × 10-4 eV K-1, respectively, confirming high quality GeSe with low concentration of non-radiative recombination centers promising for optoelectronic applications including light emitters, photodetectors, and solar cells.
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Affiliation(s)
- Eli Sutter
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA.
- Nebraska Center for Materials and Nanoscience, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Jacob S French
- Department of Electrical and Computer Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Peter Sutter
- Department of Electrical and Computer Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
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