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Li T, Bandari VK, Schmidt OG. Molecular Electronics: Creating and Bridging Molecular Junctions and Promoting Its Commercialization. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2209088. [PMID: 36512432 DOI: 10.1002/adma.202209088] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 11/28/2022] [Indexed: 06/02/2023]
Abstract
Molecular electronics is driven by the dream of expanding Moore's law to the molecular level for next-generation electronics through incorporating individual or ensemble molecules into electronic circuits. For nearly 50 years, numerous efforts have been made to explore the intrinsic properties of molecules and develop diverse fascinating molecular electronic devices with the desired functionalities. The flourishing of molecular electronics is inseparable from the development of various elegant methodologies for creating nanogap electrodes and bridging the nanogap with molecules. This review first focuses on the techniques for making lateral and vertical nanogap electrodes by breaking, narrowing, and fixed modes, and highlights their capabilities, applications, merits, and shortcomings. After summarizing the approaches of growing single molecules or molecular layers on the electrodes, the methods of constructing a complete molecular circuit are comprehensively grouped into three categories: 1) directly bridging one-molecule-electrode component with another electrode, 2) physically bridging two-molecule-electrode components, and 3) chemically bridging two-molecule-electrode components. Finally, the current state of molecular circuit integration and commercialization is discussed and perspectives are provided, hoping to encourage the community to accelerate the realization of fully scalable molecular electronics for a new era of integrated microsystems and applications.
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Affiliation(s)
- Tianming Li
- Research Center for Materials, Architectures and Integration of Nanomembranes (MAIN), Chemnitz University of Technology, 09126, Chemnitz, Germany
- Material Systems for Nanoelectronics, Chemnitz University of Technology, 09111, Chemnitz, Germany
| | - Vineeth Kumar Bandari
- Research Center for Materials, Architectures and Integration of Nanomembranes (MAIN), Chemnitz University of Technology, 09126, Chemnitz, Germany
- Material Systems for Nanoelectronics, Chemnitz University of Technology, 09111, Chemnitz, Germany
| | - Oliver G Schmidt
- Research Center for Materials, Architectures and Integration of Nanomembranes (MAIN), Chemnitz University of Technology, 09126, Chemnitz, Germany
- Material Systems for Nanoelectronics, Chemnitz University of Technology, 09111, Chemnitz, Germany
- Nanophysics, Dresden University of Technology, 01069, Dresden, Germany
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Dai C, Li L, Wratkowski D, Cho JH. Electron Irradiation Driven Nanohands for Sequential Origami. NANO LETTERS 2020; 20:4975-4984. [PMID: 32502353 DOI: 10.1021/acs.nanolett.0c01075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Sequence plays an important role in self-assembly of 3D complex structures, particularly for those with overlap, intersection, and asymmetry. However, it remains challenging to program the sequence of self-assembly, resulting in geometric and topological constrains. In this work, a nanoscale, programmable, self-assembly technique is reported, which uses electron irradiation as "hands" to manipulate the motion of nanostructures with the desired order. By assigning each single assembly step in a particular order, localized motion can be selectively triggered with perfect timing, making a component accurately integrate into the complex 3D structure without disturbing other parts of the assembly process. The features of localized motion, real-time monitoring, and surface patterning open the possibility for the further innovation of nanomachines, nanoscale test platforms, and advanced optical devices.
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Affiliation(s)
- Chunhui Dai
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Lianbi Li
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
- School of Science, Xi'an Polytechnic University, Xi'an 710000, People's Republic of China
| | - Daniel Wratkowski
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Jeong-Hyun Cho
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
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3
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Sergi Lopes C, Merces L, de Oliveira RF, de Camargo DHS, Bof Bufon CC. Rectification ratio and direction controlled by temperature in copper phthalocyanine ensemble molecular diodes. NANOSCALE 2020; 12:10001-10009. [PMID: 32196026 DOI: 10.1039/c9nr10601d] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Organic diodes and molecular rectifiers are fundamental electronic devices that share one common feature: current rectification ability. Since both present distinct spatial dimensions and working principles, the rectification of organic diodes is usually achieved by interface engineering, while changes in molecular structures commonly control the molecular rectifiers' features. Here, we report on the first observation of temperature-driven inversion of the rectification direction (IRD) in ensemble molecular diodes (EMDs) prepared in a vertical stack configuration. The EMDs are composed of 20 nm thick molecular ensembles of copper phthalocyanine in close contact with one of its fluorinated derivatives. The material interface was found to be responsible for modifying the junction's conduction mechanisms from nearly activationless transport to Poole-Frenkel emission and phonon-assisted tunneling. In this context, the current rectification was found to be dependent on the interplay of such distinct charge transport mechanisms. The temperature has played a crucial role in each charge transport transition, which we have investigated via electrical measurements and band diagram analysis, thus providing the fundamentals on the IRD occurrence. Our findings represent an important step towards simple and rational control of rectification in carbon-based electronic nanodevices.
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Affiliation(s)
- Carolina Sergi Lopes
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), 13083-970, Campinas, São Paulo, Brazil
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Karnaushenko D, Kang T, Bandari VK, Zhu F, Schmidt OG. 3D Self-Assembled Microelectronic Devices: Concepts, Materials, Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1902994. [PMID: 31512308 DOI: 10.1002/adma.201902994] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 06/17/2019] [Indexed: 06/10/2023]
Abstract
Modern microelectronic systems and their components are essentially 3D devices that have become smaller and lighter in order to improve performance and reduce costs. To maintain this trend, novel materials and technologies are required that provide more structural freedom in 3D over conventional microelectronics, as well as easier parallel fabrication routes while maintaining compatability with existing manufacturing methods. Self-assembly of initially planar membranes into complex 3D architectures offers a wealth of opportunities to accommodate thin-film microelectronic functionalities in devices and systems possessing improved performance and higher integration density. Existing work in this field, with a focus on components constructed from 3D self-assembly, is reviewed, and an outlook on their application potential in tomorrow's microelectronics world is provided.
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Affiliation(s)
- Daniil Karnaushenko
- Institute for Integrative Nanosciences, Leibniz IFW Dresden, Dresden, 01069, Germany
| | - Tong Kang
- Institute for Integrative Nanosciences, Leibniz IFW Dresden, Dresden, 01069, Germany
| | - Vineeth K Bandari
- Institute for Integrative Nanosciences, Leibniz IFW Dresden, Dresden, 01069, Germany
- Material Systems for Nanoelectronics, Chemnitz University of Technology, Chemnitz, 09107, Germany
- Research Center for Materials, Architectures and Integration of Nanomembranes (MAIN), Rosenbergstraße 6, TU Chemnitz, Chemnitz, 09126, Germany
| | - Feng Zhu
- Institute for Integrative Nanosciences, Leibniz IFW Dresden, Dresden, 01069, Germany
- Material Systems for Nanoelectronics, Chemnitz University of Technology, Chemnitz, 09107, Germany
- Research Center for Materials, Architectures and Integration of Nanomembranes (MAIN), Rosenbergstraße 6, TU Chemnitz, Chemnitz, 09126, Germany
| | - Oliver G Schmidt
- Institute for Integrative Nanosciences, Leibniz IFW Dresden, Dresden, 01069, Germany
- Material Systems for Nanoelectronics, Chemnitz University of Technology, Chemnitz, 09107, Germany
- Research Center for Materials, Architectures and Integration of Nanomembranes (MAIN), Rosenbergstraße 6, TU Chemnitz, Chemnitz, 09126, Germany
- School of Science, TU Dresden, Dresden, 01062, Germany
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5
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Shi W, Guo Y, Liu Y. When Flexible Organic Field-Effect Transistors Meet Biomimetics: A Prospective View of the Internet of Things. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1901493. [PMID: 31250497 DOI: 10.1002/adma.201901493] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 04/24/2019] [Indexed: 06/09/2023]
Abstract
The emergence of flexible organic electronics that span the fields of physics and biomimetics creates the possibility for increasingly simple and intelligent products for use in everyday life. Organic field-effect transistors (OFETs), with their inherent flexibility, light weight, and biocompatibility, have shown great promise in the field of biomimicry. By applying such biomimetic OFETs for the internet of things (IoT) makes it possible to imagine novel products and use cases for the future. Recent advances in flexible OFETs and their applications in biomimetic systems are reviewed. Strategies to achieve flexible OFETs are individually discussed and recent progress in biomimetic sensory systems and nervous systems is reviewed in detail. OFETs are revealed to be one of the best systems for mimicking sensory and nervous systems. Additionally, a brief discussion of information storage based on OFETs is presented. Finally, a personal view of the utilization of biomimetic OFETs in the IoT and future challenges in this research area are provided.
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Affiliation(s)
- Wei Shi
- Beijing National Laboratory for Molecular Sciences, Organic Solid Laboratory, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Yunlong Guo
- Beijing National Laboratory for Molecular Sciences, Organic Solid Laboratory, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Yunqi Liu
- Beijing National Laboratory for Molecular Sciences, Organic Solid Laboratory, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
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Lim HR, Kim HS, Qazi R, Kwon YT, Jeong JW, Yeo WH. Advanced Soft Materials, Sensor Integrations, and Applications of Wearable Flexible Hybrid Electronics in Healthcare, Energy, and Environment. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1901924. [PMID: 31282063 DOI: 10.1002/adma.201901924] [Citation(s) in RCA: 271] [Impact Index Per Article: 67.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 04/18/2019] [Indexed: 05/19/2023]
Abstract
Recent advances in soft materials and system integration technologies have provided a unique opportunity to design various types of wearable flexible hybrid electronics (WFHE) for advanced human healthcare and human-machine interfaces. The hybrid integration of soft and biocompatible materials with miniaturized wireless wearable systems is undoubtedly an attractive prospect in the sense that the successful device performance requires high degrees of mechanical flexibility, sensing capability, and user-friendly simplicity. Here, the most up-to-date materials, sensors, and system-packaging technologies to develop advanced WFHE are provided. Details of mechanical, electrical, physicochemical, and biocompatible properties are discussed with integrated sensor applications in healthcare, energy, and environment. In addition, limitations of the current materials are discussed, as well as key challenges and the future direction of WFHE. Collectively, an all-inclusive review of the newly developed WFHE along with a summary of imperative requirements of material properties, sensor capabilities, electronics performance, and skin integrations is provided.
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Affiliation(s)
- Hyo-Ryoung Lim
- George W. Woodruff School of Mechanical Engineering, Institute for Electronics and Nanotechnology, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Hee Seok Kim
- Department of Mechanical Engineering, University of South Alabama, Mobile, AL, 36608, USA
| | - Raza Qazi
- Department of Electrical, Computer & Energy Engineering, University of Colorado Boulder, Boulder, CO, 80309, USA
- School of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, 34141, South Korea
| | - Young-Tae Kwon
- George W. Woodruff School of Mechanical Engineering, Institute for Electronics and Nanotechnology, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Jae-Woong Jeong
- School of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, 34141, South Korea
| | - Woon-Hong Yeo
- George W. Woodruff School of Mechanical Engineering, Wallace H. Coulter Department of Biomedical Engineering, Institute for Electronics and Nanotechnology, Parker H. Petit Institute for Bioengineering and Biosciences, Center for Flexible and Wearable Electronics Advanced Research, Neural Engineering Center, Institute for Materials, Institute for Robotics and Intelligent Machines, Georgia Institute of Technology, Atlanta, GA, 30332, USA
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Albano LGS, Vello TP, de Camargo DHS, da Silva RML, Padilha ACM, Fazzio A, Bufon CCB. Ambipolar Resistive Switching in an Ultrathin Surface-Supported Metal-Organic Framework Vertical Heterojunction. NANO LETTERS 2020; 20:1080-1088. [PMID: 31917590 DOI: 10.1021/acs.nanolett.9b04355] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Memristors (MRs) are considered promising devices with the enormous potential to replace complementary metal-oxide-semiconductor (CMOS) technology, which approaches the scale limit. Efforts to fabricate MRs-based hybrid materials may result in suitable operating parameters coupled to high mechanical flexibility and low cost. Metal-organic frameworks (MOFs) arise as a favorable candidate to cover such demands. The step-by-step growth of MOFs structures on functionalized surfaces, called surface-supported metal-organic frameworks (SURMOFs), opens the possibility for designing new applications in strategic fields such as electronics, optoelectronics, and energy harvesting. However, considering the MRs architecture, the typical high porosity of these hybrid materials may lead to short-circuited devices easily. In this sense, here, it is reported for the first time the integration of SURMOF films in rolled-up scalable-functional devices. A freestanding metallic nanomembrane provides a robust and self-adjusted top mechanical contact on the SURMOF layer. The electrical characterization reveals an ambipolar resistive switching mediated by the humidity level with low-power consumption. The electronic properties are investigated with density functional theory (DFT) calculations. Furthermore, the device concept is versatile, compatible with the current parallelism demands of integration, and transcends the challenge in contacting SURMOF films for scalable-functional devices.
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Affiliation(s)
- Luiz G S Albano
- Brazilian Nanotechnology National Laboratory (LNNano) , Brazilian Center for Research in Energy and Materials (CNPEM) , 13083-970 Campinas , São Paulo , Brazil
| | - Tatiana P Vello
- Brazilian Nanotechnology National Laboratory (LNNano) , Brazilian Center for Research in Energy and Materials (CNPEM) , 13083-970 Campinas , São Paulo , Brazil
- Department of Physical Chemistry, Institute of Chemistry (IQ) , University of Campinas (UNICAMP) , 13084-862 Campinas , São Paulo , Brazil
| | - Davi H S de Camargo
- Brazilian Nanotechnology National Laboratory (LNNano) , Brazilian Center for Research in Energy and Materials (CNPEM) , 13083-970 Campinas , São Paulo , Brazil
- Postgraduate Program in Materials Science and Technology (POSMAT) , São Paulo State University (UNESP) , 17033-360 Bauru , São Paulo , Brazil
| | - Ricardo M L da Silva
- Brazilian Nanotechnology National Laboratory (LNNano) , Brazilian Center for Research in Energy and Materials (CNPEM) , 13083-970 Campinas , São Paulo , Brazil
- Postgraduate Program in Materials Science and Technology (POSMAT) , São Paulo State University (UNESP) , 17033-360 Bauru , São Paulo , Brazil
| | - Antonio C M Padilha
- Brazilian Nanotechnology National Laboratory (LNNano) , Brazilian Center for Research in Energy and Materials (CNPEM) , 13083-970 Campinas , São Paulo , Brazil
| | - Adalberto Fazzio
- Brazilian Nanotechnology National Laboratory (LNNano) , Brazilian Center for Research in Energy and Materials (CNPEM) , 13083-970 Campinas , São Paulo , Brazil
| | - Carlos C B Bufon
- Brazilian Nanotechnology National Laboratory (LNNano) , Brazilian Center for Research in Energy and Materials (CNPEM) , 13083-970 Campinas , São Paulo , Brazil
- Department of Physical Chemistry, Institute of Chemistry (IQ) , University of Campinas (UNICAMP) , 13084-862 Campinas , São Paulo , Brazil
- Postgraduate Program in Materials Science and Technology (POSMAT) , São Paulo State University (UNESP) , 17033-360 Bauru , São Paulo , Brazil
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8
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Edge-driven nanomembrane-based vertical organic transistors showing a multi-sensing capability. Nat Commun 2020; 11:841. [PMID: 32051411 PMCID: PMC7016126 DOI: 10.1038/s41467-020-14661-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 01/24/2020] [Indexed: 11/13/2022] Open
Abstract
The effective utilization of vertical organic transistors in high current density applications demands further reduction of channel length (given by the thickness of the organic semiconducting layer and typically reported in the 100 nm range) along with the optimization of the source electrode structure. Here we present a viable solution by applying rolled-up metallic nanomembranes as the drain-electrode (which enables the incorporation of few nanometer-thick semiconductor layers) and by lithographically patterning the source-electrode. Our vertical organic transistors operate at ultra-low voltages and demonstrate high current densities (~0.5 A cm−2) that are found to depend directly on the number of source edges, provided the source perforation gap is wider than 250 nm. We anticipate that further optimization of device structure can yield higher current densities (~10 A cm−2). The use of rolled-up drain-electrode also enables sensing of humidity and light which highlights the potential of these devices to advance next-generation sensing technologies. For vertical organic field-effect transistors (VOFETs) to reach their potential for display and sensor applications, further improvements to fabrication methods are required. Here, the authors report microfabricated VOFETs featuring rolled-up metallic nanomembrane electrodes and displaying multi-sensing capability.
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9
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Wang T, Wang M, Yang L, Li Z, Loh XJ, Chen X. Cyber-Physiochemical Interfaces. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1905522. [PMID: 31944425 DOI: 10.1002/adma.201905522] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 10/07/2019] [Indexed: 06/10/2023]
Abstract
Living things rely on various physical, chemical, and biological interfaces, e.g., somatosensation, olfactory/gustatory perception, and nervous system response. They help organisms to perceive the world, adapt to their surroundings, and maintain internal and external balance. Interfacial information exchanges are complicated but efficient, delicate but precise, and multimodal but unisonous, which has driven researchers to study the science of such interfaces and develop techniques with potential applications in health monitoring, smart robotics, future wearable devices, and cyber physical/human systems. To understand better the issues in these interfaces, a cyber-physiochemical interface (CPI) that is capable of extracting biophysical and biochemical signals, and closely relating them to electronic, communication, and computing technology, to provide the core for aforementioned applications, is proposed. The scientific and technical progress in CPI is summarized, and the challenges to and strategies for building stable interfaces, including materials, sensor development, system integration, and data processing techniques are discussed. It is hoped that this will result in an unprecedented multi-disciplinary network of scientific collaboration in CPI to explore much uncharted territory for progress, providing technical inspiration-to the development of the next-generation personal healthcare technology, smart sports-technology, adaptive prosthetics and augmentation of human capability, etc.
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Affiliation(s)
- Ting Wang
- Innovative Center for Flexible Devices (iFLEX), Max Planck - NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Ming Wang
- Innovative Center for Flexible Devices (iFLEX), Max Planck - NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Le Yang
- Institute of Materials Research and Engineering, Agency for Science Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore, 138634, Singapore
| | - Zhuyun Li
- Innovative Center for Flexible Devices (iFLEX), Max Planck - NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Xian Jun Loh
- Institute of Materials Research and Engineering, Agency for Science Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore, 138634, Singapore
| | - Xiaodong Chen
- Innovative Center for Flexible Devices (iFLEX), Max Planck - NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
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Ma F, Xu B, Wu S, Wang L, Zhang B, Huang G, Du A, Zhou B, Mei Y. Thermal-controlled releasing and assembling of functional nanomembranes through polymer pyrolysis. NANOTECHNOLOGY 2019; 30:354001. [PMID: 31035266 DOI: 10.1088/1361-6528/ab1dcc] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Pyrolysis, which involves thermal decomposition of materials at elevated temperatures, has been commonly applied in the chemical industry. Here we explored the pyrolysis process for 3D nanofabrication. By strain engineering of nanomembranes on a thermal responsive polymer as the sacrificial layer, we demonstrated that diverse 3D rolled-up microstructures with different functions could be achieved without any additional solution and drying process. We carefully studied the effect of molecular weight of the polymer in the pyrolysis process and identified that the rapid breakdown of molecular backbone to a monomer is the key for nanomembrane releasing and rolling. Preferential rolling direction and corresponding dynamics were studied by analyzing the real-time video of the rolling process. We further demonstrated the versatile functions of the fabricated 3D structures as catalytic microengines and optical resonators. The simple fabrication methodology developed here may have great potential in producing functional 3D tubular micro-/nanostructures.
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Affiliation(s)
- Fei Ma
- Department of Materials Science, Fudan University, Shanghai 200433, People's Republic of China
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11
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Gabler F, Karnaushenko DD, Karnaushenko D, Schmidt OG. Magnetic origami creates high performance micro devices. Nat Commun 2019; 10:3013. [PMID: 31285441 PMCID: PMC6614421 DOI: 10.1038/s41467-019-10947-x] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Accepted: 06/11/2019] [Indexed: 01/31/2023] Open
Abstract
Self-assembly of two-dimensional patterned nanomembranes into three-dimensional micro-architectures has been considered a powerful approach for parallel and scalable manufacturing of the next generation of micro-electronic devices. However, the formation pathway towards the final geometry into which two-dimensional nanomembranes can transform depends on many available degrees of freedom and is plagued by structural inaccuracies. Especially for high-aspect-ratio nanomembranes, the potential energy landscape gives way to a manifold of complex pathways towards misassembly. Therefore, the self-assembly yield and device quality remain low and cannot compete with state-of-the art technologies. Here we present an alternative approach for the assembly of high-aspect-ratio nanomembranes into microelectronic devices with unprecedented control by remotely programming their assembly behavior under the influence of external magnetic fields. This form of magnetic Origami creates micro energy storage devices with excellent performance and high yield unleashing the full potential of magnetic field assisted assembly for on-chip manufacturing processes. Despite the potential of self-assembly strategies for fabricating 3D micro-electronic devices, technological limitations prohibit widespread industrial adoption. Here, the authors report the magnetic field-assisted Origami-based assembly of high-performance devices with high yield.
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Affiliation(s)
- Felix Gabler
- Institute for Integrative Nanosciences, Leibniz IFW Dresden, 01069, Dresden, Germany.,Material Systems for Nanoelectronics, TU Chemnitz, 09107, Chemnitz, Germany
| | | | - Daniil Karnaushenko
- Institute for Integrative Nanosciences, Leibniz IFW Dresden, 01069, Dresden, Germany.
| | - Oliver G Schmidt
- Institute for Integrative Nanosciences, Leibniz IFW Dresden, 01069, Dresden, Germany. .,Material Systems for Nanoelectronics, TU Chemnitz, 09107, Chemnitz, Germany. .,Research Center for Materials, Architectures and Integration of Nanomembranes (MAIN), TU Chemnitz, 09126, Chemnitz, Germany. .,Nanophysics, Faculty of Physics, TU Dresden, 01062, Dresden, Germany.
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12
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Almansoori MT, Li X, Zheng L. A Brief Review on E-skin and its Multifunctional Sensing Applications. ACTA ACUST UNITED AC 2019. [DOI: 10.2174/2405465804666190313154903] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Electronic skin (e-skin) is an artificial skin that mimics the sensing capabilities of human
skin, which brings many potential applications in robotics, artificial intelligence, prosthetics, and
health monitoring technologies. Many attempts associated with various mechanisms/approaches and
materials/structures have been developed to match the e-skins to the particular functions of specific
applications. Along the time, high sensitivity, mechanical flexibility/stretchability, multifunction, and
large area are common driving forces in the research area. New materials, with a variety of structures
and unique properties, offer a plenty of freedoms in designing and fabricating e-skins. Significant
progress has been made in recently years. This paper firstly reviews the most recent progress on nanomaterial-
based e-skins according to four major sensing mechanisms, with an emphasis on the effects
of various materials on the sensitivity and stretchability of e-skins. Then the paper updates the
progress and effort with respect to multifunctional e-skins and organic-thin-film-transistor based
large-area e-skins. Further development possibilities are also briefly discussed.
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Affiliation(s)
- Mariam Turki Almansoori
- Mechanical Engineering, Khalifa University of Science and Technology, Abu Dhabi, 127788, United Arab Emirates
| | - Xuan Li
- Mechanical Engineering, Khalifa University of Science and Technology, Abu Dhabi, 127788, United Arab Emirates
| | - Lianxi Zheng
- Mechanical Engineering, Khalifa University of Science and Technology, Abu Dhabi, 127788, United Arab Emirates
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13
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Merces L, de Oliveira RF, Bof Bufon CC. Nanoscale Variable-Area Electronic Devices: Contact Mechanics and Hypersensitive Pressure Application. ACS APPLIED MATERIALS & INTERFACES 2018; 10:39168-39176. [PMID: 30351895 DOI: 10.1021/acsami.8b12212] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Nanomembranes (NMs) are freestanding structures with few-nanometer thickness and lateral dimensions up to the microscale. In nanoelectronics, NMs have been used to promote reliable electrical contacts with distinct nanomaterials, such as molecules, quantum dots, and nanowires, as well as to support the comprehension of the condensed matter down to the nanoscale. Here, we propose a tunable device architecture that is capable of deterministically changing both the contact geometry and the current injection in nanoscale electronic junctions. The device is based on a hybrid arrangement that joins metallic NMs and molecular ensembles, resulting in a versatile, mechanically compliant element. Such a feature allows the devices to accommodate a mechanical stimulus applied over the top electrodes, enlarging the junctions' active area without compromising the molecules. A model derived from the Hertzian mechanics is employed to correlate the contact dynamics with the electronic transport in these novel devices denominated as variable-area transport junctions (VATJs). As a proof of concept, we propose a direct application of the VATJs as compression gauges envisioning the development of hypersensitive pressure pixels. Regarding sensitivity (∼480 kPa-1), the VATJ-based transducers constitute a breakthrough in nanoelectronics, with the prospect of carrying its sister-field of molecular electronics out of the laboratory via integrative, hybrid organic/inorganic nanotechnology.
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Affiliation(s)
- Leandro Merces
- Brazilian Nanotechnology National Laboratory (LNNano) , Brazilian Center for Research in Energy and Materials (CNPEM) , 13083-970 Campinas , SP , Brazil
| | - Rafael Furlan de Oliveira
- Brazilian Nanotechnology National Laboratory (LNNano) , Brazilian Center for Research in Energy and Materials (CNPEM) , 13083-970 Campinas , SP , Brazil
| | - Carlos César Bof Bufon
- Brazilian Nanotechnology National Laboratory (LNNano) , Brazilian Center for Research in Energy and Materials (CNPEM) , 13083-970 Campinas , SP , Brazil
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