1
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Hadjichristov GB, Marinov YG. Photoluminescent Thin Films of Room-Temperature Glassy Tris(keto-hydrozone) Discotic Liquid Crystals and Their Nanocomposites with Single-Walled Carbon Nanotubes for Optoelectronics. ACS OMEGA 2023; 8:27102-27116. [PMID: 37546593 PMCID: PMC10398711 DOI: 10.1021/acsomega.3c02103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 07/06/2023] [Indexed: 08/08/2023]
Abstract
This study addresses the photoresponse of liquid-crystalline tris(keto-hydrozone) discotic (TKHD)-a star-shaped molecular structure with three branches. Object of our research interest was also TKHD filled with single-walled carbon nanotubes (SWCNTs) at a concentration of 1 wt %. At room temperature, the discotic liquid crystals in thin films (thickness 3 μm) of both TKHD and nanocomposite SWCNT/TKHD were in a glassy state. Such glassy thin films exhibited photoluminescence ranging from the deep-red to the near-infrared spectral region, being attractive for organic optoelectronics. The addition of SWCNTs to TKHD was found to stabilize the photoluminescence of TKHD, which is of significance for optoelectronic device applications. The photothermoelectrical response of highly conductive SWCNT/TKHD nanocomposite films was characterized by electrical impedance spectroscopy in the frequency range from 1 Hz to 1 MHz of the applied electric field. It was elucidated that the reversible photothermoelectrical effect in SWCNT/TKHD films occurs through SWCNTs and their network.
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Affiliation(s)
- Georgi B. Hadjichristov
- Laboratory
of Optics & Spectroscopy, Georgi Nadjakov Institute of Solid State
Physics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee Blvd., Sofia BG-1784, Bulgaria
| | - Yordan G. Marinov
- Laboratory
of Liquid Crystals & Biomolecular Layers, Georgi Nadjakov Institute
of Solid State Physics, Bulgarian Academy
of Sciences, 72 Tzarigradsko
Chaussee Blvd., Sofia BG-1784, Bulgaria
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2
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Chani MTS, Karimov KS, Kamal T, Fatima N, Rahman MM, Asiri AM. Shockproof Deformable Infrared Radiation Sensors Based on a Polymeric Rubber and Organic Semiconductor H 2Pc-CNT Composite. Polymers (Basel) 2023; 15:2691. [PMID: 37376337 DOI: 10.3390/polym15122691] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/07/2023] [Accepted: 06/09/2023] [Indexed: 06/29/2023] Open
Abstract
Polymeric rubber and organic semiconductor H2Pc-CNT-composite-based surface- and sandwich-type shockproof deformable infrared radiation (IR) sensors were fabricated using a rubbing-in technique. CNT and CNT-H2Pc (30:70 wt.%) composite layers were deposited on a polymeric rubber substrate as electrodes and active layers, respectively. Under the effect of IR irradiation (0 to 3700 W/m2), the resistance and the impedance of the surface-type sensors decreased up to 1.49 and 1.36 times, respectively. In the same conditions, the resistance and the impedance of the sandwich-type sensors decreased up to 1.46 and 1.35 times, respectively. The temperature coefficients of resistance (TCR) of the surface- and sandwich-type sensors are 1.2 and 1.1, respectively. The novel ratio of the H2Pc-CNT composite ingredients and comparably high value of the TCR make the devices attractive for bolometric applications meant to measure the intensity of infrared radiation. Moreover, given their easy fabrication and low-cost materials, the fabricated devices have great potential for commercialization.
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Affiliation(s)
- Muhammad Tariq Saeed Chani
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Khasan S Karimov
- Ghulam Ishaq Khan Institute of Engineering Sciences and Technology, Topi 23640, Pakistan
- Center for Innovative Development of Science and Technologies of Academy of Sciences, Rudaki Ave., 33, Dushanbe 734025, Tajikistan
| | - Tahseen Kamal
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Noshin Fatima
- Faculty of Engineering, Technology and Built Environment, UCSI University, Kuala Lumpur 56000, Malaysia
| | - Mohammed M Rahman
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Abdullah M Asiri
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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3
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Tuning Bolometric Parameters of Sierpinski Fractal Antenna-Coupled Uncracked/Cracked SWCNT Films by Thermoelectric Characterization at UHF Frequencies. ELECTRONICS 2022. [DOI: 10.3390/electronics11111665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In this work, the bolometric parameters of Sierpinski fractal antenna-coupled SWCNT semi-metallic films are obtained by thermoelectric characterization, this in order to find out the performance as bolometer. The method was based on an experimental setup considering a line-of-sight wireless link between two identical planar fractal antennas, infrared thermography, and electrical resistance measurements. The experimental setup considered the antennas resonant frequencies. Both the transmitting and receiving antenna were third-iteration Sierpinski fractal dipoles designed to work at UHF frequencies. Films made either of cracked or uncracked SWCNT films were each separately coupled to the receiving fractal antenna. Measurements showed that the receiving antenna that was impinged with radiation at UHF frequencies coming from the transmitting antenna, experienced as it was expected an induction of electric current, the induced current flowed through the film producing a temperature change, which in turn caused changes in the radiated heat of the film, as well as changes in the electrical resistance known as Temperature Coefficient of Resistance TCR. The maximum value of TCR for uncracked SWCNT films was −3.6%K−1, higher than the one observed for cracked SWCNT films which exhibited a maximum value of −1.46%K−1. Measurements for conversion of incident radiation to electrical signals known as the Voltage Responsivity ℜv, exhibited values of 9.4 mV/W and 1.4 mV/W for uncracked SWCNT films and cracked SWCNT films, respectively.
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Chen H, Zhu J, Cao Y, Wei J, Lv B, Hu Q, Sun JL. Significantly enhanced photoresponse of carbon nanotube films modified with cesium tungsten bronze nanoclusters in the visible to short-wave infrared range. RSC Adv 2021; 11:39646-39656. [PMID: 35494114 PMCID: PMC9044607 DOI: 10.1039/d1ra06817b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 12/07/2021] [Indexed: 11/21/2022] Open
Abstract
Carbon nanotube (CNT) films are promising materials for application in ultra-broadband photodetectors because their absorption range covers the entire spectrum from ultraviolet to the terahertz region, and their detection mechanism is the bolometric effect. Because of the different and limited photothermal conversion efficiencies of CNTs with respect to various wavelengths, the response performance of existing photodetector devices is unsatisfactory, particularly in the infrared band. In this paper, we propose for the first time the use of cesium tungsten bronze (CsxWO3) nanomaterials, which have strong infrared absorption and excellent photothermal conversion properties, to decorate a CNT film for construction of a CsxWO3–CNT composite film photodetector. When compared with CNT-based film photodetectors, the proposed CsxWO3–CNT composite film photodetector shows a significantly enhanced broadband photoresponse over the range from visible light (405 nm) to the short-wave infrared (1550 nm) region, with an average increase in responsivity of 400% and an average increase in specific detectivity of 549%. In addition, the CsxWO3–CNT photodetector shows a fast photoresponse, with a rise time of only 28 ms, which represents a 30% improvement over that of the CNT photodetector. This paper thus provides a new concept for the design of a high-performance broadband photodetector. Compared with CNT film detectors, the CsxWO3–CNT composite film detector shows a significantly enhanced photoresponse from visible light to short-wave infrared region, with an average increase of 400% in responsivity and 549% in specific detectivity.![]()
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Affiliation(s)
- Hao Chen
- School of Instrumentation Science and Opto-electronics Engineering, Beijing Information Science &Technology University Beijing 100192 People's Republic of China
| | - Junyi Zhu
- School of Instrumentation Science and Opto-electronics Engineering, Beijing Information Science &Technology University Beijing 100192 People's Republic of China
| | - Yang Cao
- School of Instrumentation Science and Opto-electronics Engineering, Beijing Information Science &Technology University Beijing 100192 People's Republic of China
| | - Jinquan Wei
- Key Lab for Advanced Materials Processing Technology of Education Ministry, School of Materials Science and Engineering, Tsinghua University Beijing 100084 People's Republic of China
| | - Bocheng Lv
- Collaborative Innovation Center of Quantum Matter, State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University Beijing 100084 People's Republic of China
| | - Qianqian Hu
- Collaborative Innovation Center of Quantum Matter, State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University Beijing 100084 People's Republic of China
| | - Jia-Lin Sun
- Collaborative Innovation Center of Quantum Matter, State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University Beijing 100084 People's Republic of China
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5
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Guo Q, Wu X, Duan X, He S, Pang W, Wang Y. Plasmon mediated spectrally selective and sensitivity-enhanced uncooled near-infrared detector. J Colloid Interface Sci 2021; 586:67-74. [PMID: 33168169 DOI: 10.1016/j.jcis.2020.10.070] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/13/2020] [Accepted: 10/19/2020] [Indexed: 11/26/2022]
Abstract
Here, we present a high performance uncooled near-infrared (NIR) detector comprising of a giga hertz (GHz) solidly mounted resonator (SMR) and gold nanorods (GNRs) arrays. By coupling the localized surface plasmon resonances of GNRs, the resonator system exhibits optimized optical response to vis-NIR region. Both simulation and experiments demonstrate the hybrid GNRs-SMR exhibit significantly enhanced optical responsive sensitivity of NIR, the tunable aspect ratios (AR) of GNRs enable resonator respond sensitively to selected light. Specially, taking advantage of the acoustofluidic effect of SMR, the GNRs can be controllably and precisely modified on the microchip surface in an ultra-short time, which addresses one of the most fundamental challenges in the localized functionalization of micro/nano scale surface. The presented work opens new directions in development of novel miniaturized, tunable NIR detector.
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Affiliation(s)
- Quanquan Guo
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China
| | - Xiaoyu Wu
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China
| | - Xuexin Duan
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China.
| | - Shan He
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China
| | - Wei Pang
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China.
| | - Yanyan Wang
- State Key Laboratory of Precision Measuring Technology and Instruments, College of Precision Instruments and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China.
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6
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Ma H, Wang Y, Fu Y, Zhang X. A bottom-up strategy toward a flexible vanadium dioxide/silicon nitride composite film with infrared sensing performance. NANOSCALE 2020; 12:11863-11867. [PMID: 32484197 DOI: 10.1039/d0nr02358b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Vanadium dioxide (VO2) attracts great attention due to its well-known metal-to-insulator transition. However, traditional VO2 films grown on rigid substrates are inflexible, which limits their applications. In this work, we successfully prepared VO2/silicon nitride (VO2/SN) composite films by a simple template method. The VO2/SN film shows high flexibility, strong infrared absorption, and drastic resistance change (>103) induced by the phase transition. The application of the VO2/SN film is presented by infrared sensing, which shows a high responsivity (720 V W-1) and short response time (409 ms).
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Affiliation(s)
- He Ma
- College of science, Beijing University of Technology, Beijing, China. zhangxinping@bjut. edu.cn
| | - Yu Wang
- College of science, Beijing University of Technology, Beijing, China. zhangxinping@bjut. edu.cn
| | - Yulan Fu
- College of science, Beijing University of Technology, Beijing, China. zhangxinping@bjut. edu.cn
| | - Xinping Zhang
- College of science, Beijing University of Technology, Beijing, China. zhangxinping@bjut. edu.cn
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7
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Chiang SY, Li YY, Shen TL, Hofmann M, Chen YF. 2D Material-Enabled Nanomechanical Bolometer. NANO LETTERS 2020; 20:2326-2331. [PMID: 32186886 DOI: 10.1021/acs.nanolett.9b04693] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We here describe a novel type of long-wavelength radiation detector that measures illumination intensity at room temperature through mechanical transduction. Compared to semiconductor-based bolometers, our nanomechanical detector exhibits low measurement noise and is inherently transparent and flexible. The presented solid-state device is based on a 2D-material film that acts as radiation absorber and detector of mechanical strain at the substrate-absorber interface. Optimization of the 2D material properties and realization of a novel edge-on device geometry combines unprecedented detectivity of 3.34 × 108 cm Hz1/2 W-1 with micrometer-scale spatial resolution. The observed combination of superior performance with the facile and scalable fabrication using only liquid processes shows the potential of the presented detector for future ubiquitous and wearable electronics.
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Affiliation(s)
- Shu-Yuan Chiang
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - Yueh-Yuan Li
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - Tien-Lin Shen
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - Mario Hofmann
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - Yang-Fang Chen
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
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8
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Andalis M, Madarang MA, Kuwahara Y, Tolentino G, Paragas RA, Triol AH, Ilasin M, Saito T, Agulo IJ. High concentration bolometric system with single-walled carbon nanotubes (SWCNT) absorber. NANOTECHNOLOGY 2020; 31:125202. [PMID: 31791028 DOI: 10.1088/1361-6528/ab5dd4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We demonstrate that a planar single-walled carbon nanotube (SWCNT) film bolometer can exhibit enhanced thermal and optical properties. The SWCNT film were ink-printed on an oxidized silicon substrate between two pointed-tip Au electrodes across a gap of approximately 10 μm. We obtained a bolometer figure-of-merit temperature coefficient of resistance of greater than -3.0% at room temperature. An optical response of 1000 V W-1 was obtained from a 786 nm laser with an output power of 5 mW. The corresponding thermal time constant of 1.8 ms was estimated through the optical response by modulating the laser over a frequency range of 1 Hz-1 kHz. The optical noise equivalent power and optical detectivity of [Formula: see text] and [Formula: see text] respectively, were estimated from the responsivity, the spectral density, and area of the cell of the absorber, 4.9 × 10-4 cm2. We attribute the exceptional performance of the SWCNT microbolometer to the film nature of the absorber and to the high concentration of the incident electromagnetic radiation and localized heating between the tips of the electrode.
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Affiliation(s)
- Maranatha Andalis
- Micro and Nano Innovations Laboratory, Department of Physical Sciences, College of Science, University of the Philippines Baguio, Baguio City 2600, The Philippines
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9
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Kopylova DS, Fedorov FS, Alekseeva AA, Gilshteyn EP, Tsapenko AP, Bubis AV, Grebenko AK, Popov ZI, Sorokin PB, Gladush YG, Anisimov AS, Nasibulin AG. Holey single-walled carbon nanotubes for ultra-fast broadband bolometers. NANOSCALE 2018; 10:18665-18671. [PMID: 30265270 DOI: 10.1039/c8nr05925j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Although carbon nanotubes have already been demonstrated to be a promising material for bolometric photodetectors, enhancing sensitivity while maintaining the speed of operation remains a great challenge. Here, we present a holey carbon nanotube network, designed to improve the temperature coefficient of resistance for highly sensitive ultra-fast broadband bolometers. Treatment of carbon nanotube films with low-frequency oxygen plasma allows fine tuning of the electronic properties of the material. The temperature coefficient of resistance of our films is much greater than the reported values for pristine carbon nanotubes, up to -2.8% K-1 at liquid nitrogen temperature. The bolometer prototypes made from the treated films demonstrate high sensitivity over a wide IR range, a short response time, smooth spectral characteristics and a low noise level.
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Affiliation(s)
- Daria S Kopylova
- Skolkovo Institute of Science and Technology, Nobel str. 3, Moscow, 121205, Russia.
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Bergemann K, Léonard F. Room-Temperature Phototransistor with Negative Photoresponsivity of 10 8 A W -1 Using Fullerene-Sensitized Aligned Carbon Nanotubes. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1802806. [PMID: 30247808 DOI: 10.1002/smll.201802806] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 08/29/2018] [Indexed: 06/08/2023]
Abstract
Detection of low intensity light down to a few photons requires photodetectors with high gain. A new photodetector is reported based on C60 -sensitized aligned carbon nanotube (CNT) transistors with an extremely high responsivity of 108 A W-1 (gain > 108 ) in the ultraviolet and visible range, and 720 A W-1 (gain = 940) in the infrared range. In contrast to most sensitized phototransistors that operate on the photogating effect, the new photodetector operates on the modulation of the electrons scattering in the CNTs, leading to negative photoconductivity. Comparison with similar photodetectors using random CNT networks shows the benefit of using aligned CNTs. At room temperature, the aligned CNT photodetectors are demonstrated to detect a few tens of photons per CNT.
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11
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García-Valdivieso G, Velázquez-Salazar JJ, Samaniego-Benítez JE, Ojeda-Galván HJ, Arellano-Jiménez MJ, Martínez-Reyna KGH, José-Yacamán M, Navarro-Contreras HR. Zinc oxide decorated multi-walled carbon nanotubes: their bolometric properties. NANOTECHNOLOGY 2018; 29:125607. [PMID: 29431153 DOI: 10.1088/1361-6528/aaa9e1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We report the synthesis of MWNT/ZnO hybrid nanostructures. A simple, affordable, chemical procedure to functionalize MWNTs with ZnO nanoparticles was performed. A significant portion of the surface of MWNTs was covered with ZnO nanoparticles; these particles formed highly porous spherical nodules of 50-150 nm in diameter, sizes that are an order of magnitude larger than similar ZnO nanonodules reported in the literature. Hence, the self-assembled nanocomposite the ZnO exhibited a large surface-to-volume ratio, which is a very advantageous property for potential catalytic applications. The resultant MWNT/ZnO nanocomposites were characterized by x-ray diffraction, scanning and high-resolution transmission electron microscopy, and UV-vis and Raman spectroscopy. The temperature coefficient of resistance (TCR) of the nanocomposites was measured and reported. The average TCR value goes from -5.6%/K up to -18%/K, over temperature change intervals from 10 K to 1 K. Based on these TCR results, the nanocomposite MWNT/ZnO prepared in this work is a promising material, with potential application as a bolometric sensor.
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Affiliation(s)
- Guadalupe García-Valdivieso
- Coordinación para la Innovación y la Aplicación de la Ciencia y la Tecnología, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona #550, Col. Lomas 2a. Sección, CP 78210, San Luis Potosí, SLP, México
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12
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Gong Y, Adhikari P, Liu Q, Wang T, Gong M, Chan WL, Ching WY, Wu J. Designing the Interface of Carbon Nanotube/Biomaterials for High-Performance Ultra-Broadband Photodetection. ACS APPLIED MATERIALS & INTERFACES 2017; 9:11016-11024. [PMID: 28263551 DOI: 10.1021/acsami.7b00352] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Inorganic/biomolecule nanohybrids can combine superior electronic and optical properties of inorganic nanostructures and biomolecules for optoelectronics with performance far surpassing that achievable in conventional materials. The key toward a high-performance inorganic/biomolecule nanohybrid is to design their interface based on the electronic structures of the constituents. A major challenge is the lack of knowledge of most biomolecules due to their complex structures and composition. Here, we first calculated the electronic structure and optical properties of one of the cytochrome c (Cyt c) macromolecules (PDB ID: 1HRC ) using ab initio OLCAO method, which was followed by experimental confirmation using ultraviolet photoemission spectroscopy. For the first time, the highest occupied molecular orbital and lowest unoccupied molecular orbital energy levels of Cyt c, a well-known electron transport chain in biological systems, were obtained. On the basis of the result, pairing the Cyt c with semiconductor single-wall carbon nanotubes (s-SWCNT) was predicted to have a favorable band alignment and built-in electrical field for exciton dissociation and charge transfer across the s-SWCNT/Cyt c heterojunction interface. Excitingly, photodetectors based on the s-SWCNT/Cyt c heterojunction nanohybrids demonstrated extraordinary ultra-broadband (visible light to infrared) responsivity (46-188 A W-1) and figure-of-merit detectivity D* (1-6 × 1010 cm Hz1/2 W-1). Moreover, these devices can be fabricated on transparent flexible substrates by a low-lost nonvacuum method and are stable in air. These results suggest that the s-SWCNT/biomolecule nanohybrids may be promising for the development of CNT-based ultra-broadband photodetectors.
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Affiliation(s)
- Youpin Gong
- Department of Physics and Astronomy, University of Kansas , Lawrence, Kansas 66045, United States
- College of Physics, Optoelectronics and Energy, Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province, and Key Lab of Modern Optical Technologies of Education Ministry of China, Soochow University , Suzhou 215006, China
| | - Puja Adhikari
- Department of Physics and Astronomy, University of Missouri-Kansas City , Kansas City, Missouri 64110, United States
| | - Qingfeng Liu
- Department of Physics and Astronomy, University of Kansas , Lawrence, Kansas 66045, United States
| | - Ti Wang
- Department of Physics and Astronomy, University of Kansas , Lawrence, Kansas 66045, United States
| | - Maogang Gong
- Department of Physics and Astronomy, University of Kansas , Lawrence, Kansas 66045, United States
| | - Wai-Lun Chan
- Department of Physics and Astronomy, University of Kansas , Lawrence, Kansas 66045, United States
| | - Wai-Yim Ching
- Department of Physics and Astronomy, University of Missouri-Kansas City , Kansas City, Missouri 64110, United States
| | - Judy Wu
- Department of Physics and Astronomy, University of Kansas , Lawrence, Kansas 66045, United States
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13
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Park S, Kim SJ, Nam JH, Pitner G, Lee TH, Ayzner AL, Wang H, Fong SW, Vosgueritchian M, Park YJ, Brongersma ML, Bao Z. Significant enhancement of infrared photodetector sensitivity using a semiconducting single-walled carbon nanotube/C60 phototransistor. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2015; 27:759-765. [PMID: 25607919 DOI: 10.1002/adma.201404544] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 11/06/2014] [Indexed: 06/04/2023]
Abstract
A highly sensitive single-walled carbon nanotube/C60 -based infrared photo-transistor is fabricated with a responsivity of 97.5 A W(-1) and detectivity of 1.17 × 10(9) Jones at 1 kHz under a source/drain bias of -0.5 V. The much improved performance is enabled by this unique device architecture that enables a high photoconductive gain of ≈10(4) with a response time of several milliseconds.
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Affiliation(s)
- Steve Park
- Department of Materials Science and Engineering, Stanford University, Durand Building, 496 Lomita Mall, Stanford, CA, 94305-4034, USA
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14
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Yang L, Wang S, Zeng Q, Zhang Z, Peng LM. Carbon nanotube photoelectronic and photovoltaic devices and their applications in infrared detection. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2013; 9:1225-1236. [PMID: 23529815 DOI: 10.1002/smll.201203151] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2012] [Revised: 01/22/2013] [Indexed: 06/02/2023]
Abstract
Semiconducting carbon nanotubes (CNTs) are direct bandgap materials with outstanding electronic and optoelectronic properties and have been investigated for various electronic and optoelectronic device applications, such as light-emitting diodes, photodetectors and photovoltaic cells. Here, a brief review of the various types of CNT diodes is presented, with a focus on one particular type of CNT diodes fabricated via a doping-free process. Their application for constructing high-performance optoelectronic and photovoltaic devices is also discussed, as well as the newly discovered photovoltage multiplication effect in CNTs and its application in improving the efficiency of CNT-based infrared detector.
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Affiliation(s)
- Leijing Yang
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
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15
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Mahjouri-Samani M, Zhou YS, He XN, Xiong W, Hilger P, Lu YF. Plasmonic-enhanced carbon nanotube infrared bolometers. NANOTECHNOLOGY 2013; 24:035502. [PMID: 23263607 DOI: 10.1088/0957-4484/24/3/035502] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Plasmonic nanoantennas show significant potential in photodetection applications, but the extent to which their full potential can be realized is dictated by the volume and location of the active materials within the plasmonic structure. Carbon nanotubes (CNTs) have been used as a novel material in photodetection application due to their excellent electronic and optoelectronic properties. However, difficulties in the integration of CNTs in the gaps of nanoantennas have limited the investigation of antenna-coupled CNT detectors. Here, we demonstrate a unique plasmonic approach for selectively growing CNTs in the gap of nanoantenna arrays for fabrication of plasmonic infrared bolometers operating at room temperature. Strong concentration of light at the tips of nanoantennas was utilized for localized heating and growth of CNTs. Moreover, interaction of this strong optical field with the small volume of CNTs enhanced the photoresponse of the bolometers. Consequently, a high responsivity of about 800 V W(-1) was achieved at room temperature.
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Affiliation(s)
- M Mahjouri-Samani
- Department of Electrical Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588-0511, USA
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Lu R, Christianson C, Kirkeminde A, Ren S, Wu J. Extraordinary photocurrent harvesting at type-II heterojunction interfaces: toward high detectivity carbon nanotube infrared detectors. NANO LETTERS 2012; 12:6244-6249. [PMID: 23130570 DOI: 10.1021/nl303302p] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Despite the potentials and the efforts put in the development of uncooled carbon nanotube infrared detectors during the past two decades, their figure-of-merit detectivity remains orders of magnitude lower than that of conventional semiconductor counterparts due to the lack of efficient exciton dissociation schemes. In this paper, we report an extraordinary photocurrent harvesting configuration at a semiconducting single-walled carbon nanotube (s-SWCNT)/polymer type-II heterojunction interface, which provides highly efficient exciton dissociation through the intrinsic energy offset by designing the s-SWCNT/polymer interface band alignment. This results in significantly enhanced near-infrared detectivity of 2.3 × 10(8) cm·Hz(1/2)/W, comparable to that of the many conventional uncooled infrared detectors. With further optimization, the s-SWCNT/polymer nanohybrid uncooled infrared detectors could be highly competitive for practical applications.
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Affiliation(s)
- Rongtao Lu
- Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045, United States.
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