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Kumar N, Nguyen TT, Lee J, Patel M, Bhatnagar P, Lee K, Kim J. Van Der Waals Semiconductor Based Omnidirectional Bifacial Transparent Photovoltaic for Visual-Speech Photocommunication. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306408. [PMID: 38083978 PMCID: PMC10870018 DOI: 10.1002/advs.202306408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/11/2023] [Indexed: 02/17/2024]
Abstract
Omnidirectional photosensing is crucial in optoelectronic devices, enabling a wide field of view (wFoV) and leveraging potential applications for the Internet of Things in sensors, light fidelity, and photocommunication. The wFoV helps overcome the limitations of line-of-sight communication, and transparent photodetection becomes highly desirable as it enables the capture of optical information from various angles. Therefore, developing a photoelectric device with a 360° wFoV, ultra sensitivity to photons, power generation, and transparency is of utmost importance. This study utilizes a heterojunction of van der Waals SnS with Ga2 O3 to fabricate a transparent photovoltaic (TPV) device showing a 360° wFoV with bifacial onsite power production. SnS/Ga2 O3 heterojunction preparation consists of magnetron sputtering and is free from nanopatterning/nanostructuring to achieve the desired wFoV window device. The device exhibits a high average visible transmittance of 56%, generates identical power from bifacial illumination, and broadband fast photoresponse. Careful analysis of the device shows an ultra-sensitive photoinduced defect-modulated heterojunction and photocapacitance, revealed by the impedance spectroscopy, suggesting photon-flux driven charge diffusion. Leveraging the wFoV operation, the TPV embedded visual and speech photocommunication prototype demonstrated, aiming to help visually and auditory impaired individuals, promising an environmental-friendly sustainable future.
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Affiliation(s)
- Naveen Kumar
- Photoelectric and Energy Device Application Lab (PEDAL) and Multidisciplinary Core Institute for Future Energies (MCIFE)Department of Electrical EngineeringIncheon National UniversityIncheon22012Republic of Korea
| | - Thanh Tai Nguyen
- Photoelectric and Energy Device Application Lab (PEDAL) and Multidisciplinary Core Institute for Future Energies (MCIFE)Department of Electrical EngineeringIncheon National UniversityIncheon22012Republic of Korea
| | - Junsik Lee
- Photoelectric and Energy Device Application Lab (PEDAL) and Multidisciplinary Core Institute for Future Energies (MCIFE)Department of Electrical EngineeringIncheon National UniversityIncheon22012Republic of Korea
| | - Malkeshkumar Patel
- Photoelectric and Energy Device Application Lab (PEDAL) and Multidisciplinary Core Institute for Future Energies (MCIFE)Department of Electrical EngineeringIncheon National UniversityIncheon22012Republic of Korea
| | - Priyanka Bhatnagar
- Photoelectric and Energy Device Application Lab (PEDAL) and Multidisciplinary Core Institute for Future Energies (MCIFE)Department of Electrical EngineeringIncheon National UniversityIncheon22012Republic of Korea
| | - Kibum Lee
- Solarlight Ltd.119 Academy Rd. YeonsuIncheon22012Republic of Korea
| | - Joondong Kim
- Photoelectric and Energy Device Application Lab (PEDAL) and Multidisciplinary Core Institute for Future Energies (MCIFE)Department of Electrical EngineeringIncheon National UniversityIncheon22012Republic of Korea
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2
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Li Z, Ji C, Fan Y, Zhu T, You S, Wu J, Li R, Zhu ZK, Yu P, Kuang X, Luo J. Circularly Polarized Light-Dependent Pyro-Phototronic Effect from 2D Chiral-Polar Double Perovskites. J Am Chem Soc 2023; 145:25134-25142. [PMID: 37956441 DOI: 10.1021/jacs.3c05080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Chiral hybrid perovskites combine the advantages of chiral materials and halide perovskites, offering an ideal platform for the design of circularly polarized light (CPL) detectors. The pyro-phototronic effect, as a special mechanism of the photoexcited pyroelectric signal, can significantly improve the performance of photodetectors, whereas it remains a great challenge to achieve pyroelectricity-based CPL detection. In this work, the chiroptical phenomena and the pyro-phototronic effect are combined in chiral-polar perovskites to achieve unprecedented pyroelectric-based CPL detection. Two novel two-dimensional (2D) lead-free chiral-polar double perovskites, S/R-[(4-aminophenyl)ethylamine]2AgBiI8·0.5H2O, are successfully designed and synthesized by introducing chiral organic ligands into metal halide frameworks. Strikingly, the photoresponse is substantially boosted with the support of the pyro-phototronic effect, showing an increased pyro-phototronic current that is 40 times greater than the photovoltaic current. Furthermore, the pyroelectric-based detector possesses excellent CPL detection capacity to distinguish different polarization states of CPL photons, which achieve an impressive glph of up to 0.27 at zero bias. This study provides a brand new process for CPL detection by utilizing the pyro-phototronic effect in chiral-polar perovskites, which opens a new avenue for chiral materials in optoelectronic applications.
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Affiliation(s)
- Zhou Li
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541006, P. R. China
| | - Chengmin Ji
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yipeng Fan
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541006, P. R. China
| | - Tingting Zhu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shihai You
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jianbo Wu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ruiqing Li
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zeng-Kui Zhu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- Key Laboratory of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Panpan Yu
- Key Laboratory of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
| | - Xiaojun Kuang
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541006, P. R. China
| | - Junhua Luo
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- Key Laboratory of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, China
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Ma Y, Li W, Liu Y, Guo W, Xu H, Han S, Tang L, Fan Q, Luo J, Sun Z. Mixing cage cations in 2D metal-halide ferroelectrics enhances the ferro-pyro-phototronic effect for self-driven photopyroelectric detection. Chem Sci 2023; 14:10347-10352. [PMID: 37772112 PMCID: PMC10530782 DOI: 10.1039/d3sc02946h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 08/31/2023] [Indexed: 09/30/2023] Open
Abstract
The ferro-pyro-phototronic (FPP) effect, coupling photoexcited pyroelectricity and photovoltaics, paves an effective way to modulate charge-carrier behavior of optoelectronic devices. However, reports of promising FPP-active systems remain quite scarce due to a lack of knowledge on the coupling mechanism. Here, we have successfully enhanced the FPP effect in a series of ferroelectrics, BA2Cs1-xMAxPb2Br7 (BA = butylammonium, MA = methylammonium, 0 ≤ x ≤ 0.34), rationally assembled by mixing cage cations into 2D metal-halide perovskites. Strikingly, chemical alloying of Cs+/MA+ cations leads to the reduction of exciton binding energy, as verified by the x = 0.34 component; this facilitates exciton dissociation into free charge-carriers and boosts photo-activities. The crystal detector thus displays enhanced FPP current at zero bias, almost more than 10 times higher than that of the x = 0 prototype. As an innovative study on the FPP effect, this work affords new insight into the fundamental principle of ferroelectrics and creates a new strategy for self-driven photodetection.
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Affiliation(s)
- Yu Ma
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences Beijing 100039 P. R. China
| | - Wenjing Li
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences Beijing 100039 P. R. China
| | - Yi Liu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou Fujian 350002 China
| | - Wuqian Guo
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences Beijing 100039 P. R. China
| | - Haojie Xu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences Beijing 100039 P. R. China
| | - Shiguo Han
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou Fujian 350002 China
| | - Liwei Tang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou Fujian 350002 China
| | - Qingshun Fan
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences Beijing 100039 P. R. China
| | - Junhua Luo
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou Fujian 350002 China
| | - Zhihua Sun
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou Fujian 350002 China
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Li F, Peng W, Wang Y, Xue M, He Y. Pyro-Phototronic Effect for Advanced Photodetectors and Novel Light Energy Harvesting. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1336. [PMID: 37110922 PMCID: PMC10146235 DOI: 10.3390/nano13081336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/02/2023] [Accepted: 04/05/2023] [Indexed: 06/19/2023]
Abstract
Pyroelectricity was discovered long ago and utilized to convert thermal energy that is tiny and usually wasted in daily life into useful electrical energy. The combination of pyroelectricity and optoelectronic yields a novel research field named as Pyro-Phototronic, where light-induced temperature variation of the pyroelectric material produces pyroelectric polarization charges at the interfaces of semiconductor optoelectronic devices, capable of modulating the device performances. In recent years, the pyro-phototronic effect has been vastly adopted and presents huge potential applications in functional optoelectronic devices. Here, we first introduce the basic concept and working mechanism of the pyro-phototronic effect and next summarize the recent progress of the pyro-phototronic effect in advanced photodetectors and light energy harvesting based on diverse materials with different dimensions. The coupling between the pyro-phototronic effect and the piezo-phototronic effect has also been reviewed. This review provides a comprehensive and conceptual summary of the pyro-phototronic effect and perspectives for pyro-phototronic-effect-based potential applications.
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Affiliation(s)
- Fangpei Li
- State Key Laboratory of Solidification Processing, Key Laboratory of Radiation Detection Materials and Devices, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an 710072, China
| | - Wenbo Peng
- School of Microelectronics, Xi’an Jiaotong University, Xi’an 710049, China
- The Key Laboratory of Micro-Nano Electronics and System Integration of Xi’an City, Xi’an 710049, China
| | - Yitong Wang
- School of Microelectronics, Xi’an Jiaotong University, Xi’an 710049, China
- The Key Laboratory of Micro-Nano Electronics and System Integration of Xi’an City, Xi’an 710049, China
| | - Mingyan Xue
- School of Microelectronics, Xi’an Jiaotong University, Xi’an 710049, China
- The Key Laboratory of Micro-Nano Electronics and System Integration of Xi’an City, Xi’an 710049, China
| | - Yongning He
- School of Microelectronics, Xi’an Jiaotong University, Xi’an 710049, China
- The Key Laboratory of Micro-Nano Electronics and System Integration of Xi’an City, Xi’an 710049, China
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5
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Xue M, Peng W, Tang X, Cai Y, Li F, He Y. Pyro-Phototronic Effect Enhanced Pyramid Structured p-Si/n-ZnO Nanowires Heterojunction Photodetector. ACS APPLIED MATERIALS & INTERFACES 2023; 15:4677-4689. [PMID: 36625530 DOI: 10.1021/acsami.2c18011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The emergence of nanomaterials has brought about the development of miniature photodetectors into a new stage, and ZnO nanomaterials are currently one of the most popular research objects. Here, the performance of a photodetector consisting of micropyramid structured p-Si/n-ZnO NWs heterojunction constructed by an anisotropic chemical etching and hydrothermal method is optimized by using the pyro-phototronic effect, and the photoresponses of the device to 405 and 648 nm lasers are investigated. The results show that, with the introduction of pyro-phototronic effect, the photoresponsivity Rpyro increases to 208 times that of Rphoto when the wavelength is 405 nm and the optical power density is 0.0693 mW/cm2. Moreover, with the increase of the chopper frequency, the photocurrent increases by more than 3 times, and the photoresponsivity is also increased by a factor of 4.5, making it possible to detect ultrafast pulsed light. In addition, in order to increase the current collection efficiency, a thin film Al layer was deposited as the back electrode on the basis of the device, and the photocurrent and photoresponsivity are significantly improved. Finally, the coupling between the pyro-phototronic effect and the piezo-phototronic effect is analyzed by applying compressive strain to the photodetector. When the compressive strain is -1.02%, the photocurrent decreases by 31.4% and the photoresponsivity decreases by 27.9% due to the opposite direction between laser illumination induced pyroelectric polarization charges and compressive strain induced piezoelectric polarization charges. This work not only demonstrates the great potential of pyro-phototronic effect in enhancing the silicon-based heterojunction photodetectors for high-performance photodetection and ultrafast pulsed light detection but also provides assistance for a better understanding of the coupling mechanism between pyro-phototronic and piezo-phototronic effects.
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Affiliation(s)
- Mingyan Xue
- School of Microelectronics, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
- The Key Lab of Micro-Nano Electronics and System Integration of Xi'an City, Xi'an, Shaanxi 710049, China
| | - Wenbo Peng
- School of Microelectronics, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
- The Key Lab of Micro-Nano Electronics and System Integration of Xi'an City, Xi'an, Shaanxi 710049, China
| | - Xuefeng Tang
- School of Microelectronics, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
- The Key Lab of Micro-Nano Electronics and System Integration of Xi'an City, Xi'an, Shaanxi 710049, China
| | - Yahui Cai
- School of Microelectronics, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
- The Key Lab of Micro-Nano Electronics and System Integration of Xi'an City, Xi'an, Shaanxi 710049, China
| | - Fangpei Li
- State Key Laboratory of Solidification Processing, Key Laboratory of Radiation Detection Materials and Devices, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, China
| | - Yongning He
- School of Microelectronics, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
- The Key Lab of Micro-Nano Electronics and System Integration of Xi'an City, Xi'an, Shaanxi 710049, China
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Sun K, Ma H, Xia W, Suo P, Zhang W, Zou Y, Lin X, Zhang S, Guo Y, Ma G. Dynamical Response of Nonlinear Optical Anisotropy in a Tin Sulfide Crystal under Ultrafast Photoexcitation. J Phys Chem Lett 2022; 13:9355-9362. [PMID: 36190250 DOI: 10.1021/acs.jpclett.2c02443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Analogous to black phosphorus, SnS processes folded structure that shows a strongly anisotropic optical absorption. Herein, by using ultrafast two-color pump and probe spectroscopy, the azimuthal angle dependence of nonlinear optical anisotropy in SnS is investigated. After 390 nm photoexcitation, the reflectivity of the 780 nm probe beam is first reduced significantly, followed by a complex alternation with the rotation of the sample along the c-axis. The relaxation of reflectivity consisted of two components: a 1-3 ps fast process that shows azimuthal angle and pump fluence dependence, which arises from electron-phonon coupling. The slow process shows strongly azimuthal angle dependence, which arises from the recovery of a photoinduced structural change, i.e., from the photoinduced metastable state with Cmcm-like symmetry to the initial state with Pnma symmetry. In addition, a coherent acoustic phonon with a frequency of 40 GHz is also identified, which originates from the temperature gradient-induced strain wave in the SnS crystal.
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Affiliation(s)
- Kaiwen Sun
- Department of Physics, Shanghai University, Shanghai 200444, China
| | - Hong Ma
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
| | - Wei Xia
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Peng Suo
- Department of Physics, Shanghai University, Shanghai 200444, China
| | - Wenjie Zhang
- Department of Physics, Shanghai University, Shanghai 200444, China
| | - Yuqing Zou
- Department of Physics, Shanghai University, Shanghai 200444, China
| | - Xian Lin
- Department of Physics, Shanghai University, Shanghai 200444, China
| | - Saifeng Zhang
- Department of Physics, Shanghai University, Shanghai 200444, China
| | - Yanfeng Guo
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Guohong Ma
- Department of Physics, Shanghai University, Shanghai 200444, China
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Liu Y, Pan X, Liu X, Han S, Wang J, Lu L, Xu H, Sun Z, Luo J. Tailoring Interlayered Spacers of Two-Dimensional Cesium-Based Perovskite Ferroelectrics toward Exceptional Ferro-Pyro-Phototronic Effects. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2106888. [PMID: 35048510 DOI: 10.1002/smll.202106888] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/06/2021] [Indexed: 06/14/2023]
Abstract
Ferro-pyro-phototronic (FPP) effect is a triple coupling of ferroelectricity, light-induced pyroelectricity, and photo-excitation, which holds a bright promise for next-generation modern optoelectronic devices. However, except for few oxides (e.g., BaTiO3 ), new FPP-active candidates remain extremely scarce due to the knowledge lacking on the underlying role of three coupling components. By tailoring the interlayered spacers, the authors present a series of 2D cesium-based perovskite ferroelectrics, (A')2 CsPb2 Br7 (where A'-site cation is organic spacer), showing remarkable FPP-active properties. As expected, the dynamic ordering and reorientation of spacers along with atomic displacement of Cs+ in the perovskite cavity lead to their ferroelectric polarizations. Particularly, exceptional FPP properties are created through this cooperation; the most FPP-active candidate (n-hexylammonium)2 CsPb2 Br7 endows a giant contrast up to 1500% for photopyroelectric current to photovoltaic signal. This figure-of-merit is far beyond most inorganic oxide counterparts, such as ≈110% for BaTiO3 . Further, the electric switching and controlling of FPP directions confirm a crucial role of ferroelectric polarization to this coupling effect. To the authors' best knowledge, this is the first study on an FPP-active candidate of 2D hybrid perovskites, which affords a new avenue to design ferroelectrics with targeted physical properties and forward their potentials to smart optoelectronic device application.
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Affiliation(s)
- Yi Liu
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xiong Pan
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
| | - Xitao Liu
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
| | - Shiguo Han
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
| | - Jiaqi Wang
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
| | - Lei Lu
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
| | - Haojie Xu
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zhihua Sun
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian, 350108, P. R. China
| | - Junhua Luo
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian, 350108, P. R. China
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8
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Kumar M, Park JY, Seo H. High-Performance and Self-Powered Alternating Current Ultraviolet Photodetector for Digital Communication. ACS APPLIED MATERIALS & INTERFACES 2021; 13:12241-12249. [PMID: 33683094 DOI: 10.1021/acsami.1c00698] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Self-powered ultraviolet photodetectors offer great potential in the field of optical communication, smart security, space exploration, and others; however, achieving high sensitivity with maintaining fast response speed has remained a daunting challenge. Here, we develop a titanium dioxide-based self-powered ultraviolet photodetector with high detectivity (≈1.8 × 1010 jones) and a good photoresponsivity of 0.32 mA W-1 under pulsed illumination (λ = 365 nm, 4 mW cm-2), which demonstrate an enhancement of 114 and 2017%, respectively, due to the alternating current photovoltaic effect compared to the conventional direct current photovoltaic effect. Further, the photodetector demonstrated a high on/off ratio (≈103), an ultrafast rise/decay time of 112/63 μs, and a noise equivalent power of 5.01 × 10-11 W/Hz1/2 under self-biased conditions. Photoconductive atomic force microscopy revealed the nanoscale charge transport and offered the possibility to scale down the device size to a sub-10-nanometer (∼35 nm). Moreover, as one of the practical applications, the device was successfully utilized to interpret the digital codes. The presented results enlighten a new path to design energy-efficient ultrafast photodetectors not only for the application of optical communication but also for other advanced optoelectronic applications such as digital display, sensing, and others.
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Affiliation(s)
- Mohit Kumar
- Department of Energy Systems Research, Ajou University, Suwon 16499, Republic of Korea
- Department of Materials Science and Engineering, Ajou University, Suwon 16499, Republic of Korea
| | - Ji-Yong Park
- Department of Energy Systems Research, Ajou University, Suwon 16499, Republic of Korea
- Department of Physics, Ajou University, Suwon 16499, Republic of Korea
| | - Hyungtak Seo
- Department of Energy Systems Research, Ajou University, Suwon 16499, Republic of Korea
- Department of Materials Science and Engineering, Ajou University, Suwon 16499, Republic of Korea
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9
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Jin L, Zhang Y, Cao M, Yu Y, Chen Z, Li Y, Zhong Z, Hua X, Xu L, Cai C, Hu Y, Tong X, Yao J. Light-induced pyroelectric property of self-powered photodetectors based on all-inorganic perovskite quantum dots. NANOTECHNOLOGY 2021; 32:235203. [PMID: 33588405 DOI: 10.1088/1361-6528/abe672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 02/15/2021] [Indexed: 06/12/2023]
Abstract
All-inorganic cesium lead bromine (CsPbBr3) perovskites quantum dots (QDs) are one of the most photoelectric materials due to their high absorption coefficient, pronounced quantum-size effect, tunable optical property. Here, a self-powered PD based on all-inorganic CsPbBr3perovskites QDs is fabricated and demonstrated. The light-induced pyroelectric effect is utilized to modulate the optoelectronic processes without the external power supply. The working mechanism of the PD is carefully investigated upon 532 nm laser illumination and the minimum recognizable response time of the self-powered PD is 1.5μs, which are faster than those of most previously reported wurtzite nanostructure PDs. Meanwhile, the frequency and temperature independence of the self-powered PD are experimented and summarized. The self-powered PD with high performance is expected to have extensive applications in solar cell, energy harvesting, resistive random access memory.
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Affiliation(s)
- Lufan Jin
- Institute of Laser&Opto-Electronics, School of Precision Instruments and Opto-electronics Engineering, Tianjin University, People's Republic of China
- College of optoelectonics manufacturing, Zhejiang Industry and Trade Vocational College, Wenzhou, People's Republic of China
| | - Yating Zhang
- Institute of Laser&Opto-Electronics, School of Precision Instruments and Opto-electronics Engineering, Tianjin University, People's Republic of China
| | - Mingxuan Cao
- Faculty of intelligent manufacturing, Wuyi University, Jiangmen, 529020, People's Republic of China
| | - Yu Yu
- School of electronic and information engineering, Hebei University of Technology, Tianjin, People's Republic of China
| | - Zhiliang Chen
- Institute of Laser&Opto-Electronics, School of Precision Instruments and Opto-electronics Engineering, Tianjin University, People's Republic of China
| | - Yifan Li
- Institute of Laser&Opto-Electronics, School of Precision Instruments and Opto-electronics Engineering, Tianjin University, People's Republic of China
| | - Zhenggeng Zhong
- College of optoelectonics manufacturing, Zhejiang Industry and Trade Vocational College, Wenzhou, People's Republic of China
| | - Xuebing Hua
- College of optoelectonics manufacturing, Zhejiang Industry and Trade Vocational College, Wenzhou, People's Republic of China
| | - Lingchao Xu
- College of optoelectonics manufacturing, Zhejiang Industry and Trade Vocational College, Wenzhou, People's Republic of China
| | - Chengyu Cai
- College of optoelectonics manufacturing, Zhejiang Industry and Trade Vocational College, Wenzhou, People's Republic of China
| | - Yongqi Hu
- College of optoelectonics manufacturing, Zhejiang Industry and Trade Vocational College, Wenzhou, People's Republic of China
| | - Xian Tong
- College of optoelectonics manufacturing, Zhejiang Industry and Trade Vocational College, Wenzhou, People's Republic of China
| | - Jianquan Yao
- Institute of Laser&Opto-Electronics, School of Precision Instruments and Opto-electronics Engineering, Tianjin University, People's Republic of China
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10
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Ji Y, Liu Y, Yang Y. Multieffect Coupled Nanogenerators. RESEARCH 2020; 2020:6503157. [PMID: 33623906 PMCID: PMC7877381 DOI: 10.34133/2020/6503157] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 10/13/2020] [Indexed: 11/29/2022]
Abstract
With the advent of diverse electronics, the available energy may be light, thermal, and mechanical energies. Multieffect coupled nanogenerators (NGs) exhibit strong ability to harvest ambient energy by integrating various effects comprising piezoelectricity, pyroelectricity, thermoelectricity, optoelectricity, and triboelectricity into a standalone device. Interaction of multitype effects can promote energy harvesting and conversion by modulating charge carriers' behaviour. Multieffect coupled NGs stand for a vital group of energy harvesters, supporting the advances of an electronic device and promoting the resolution of energy crisis. The matchless versatility and high reliability of multieffect coupled NGs make them main candidates for integration in complicated arrays of the electronic device. Multieffect coupled NGs can also be employed as a variety of self-powered sensors due to their rapid response, high accuracy, and high responsivity. This article reviews the latest achievements of multieffect coupled NGs. Fundamentals mainly including basic theory and materials of interest are covered. Advanced device design and output characteristics are introduced. Potential applications are described, and future development is discussed.
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Affiliation(s)
- Yun Ji
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-Nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China.,School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yuan Liu
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-Nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China.,Center on Nanoenergy Research, School of Physical Science and Technology, Guangxi University, Nanning 530004, China
| | - Ya Yang
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-Nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China.,School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing 100049, China.,Center on Nanoenergy Research, School of Physical Science and Technology, Guangxi University, Nanning 530004, China
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11
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Wang Q, Zhou C, Chai Y. Breaking symmetry in device design for self-driven 2D material based photodetectors. NANOSCALE 2020; 12:8109-8118. [PMID: 32236235 DOI: 10.1039/d0nr01326a] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
The advent of graphene and other two-dimensional (2D) materials offers great potential for optoelectronic applications. Various device structures and novel mechanisms have been proposed to realize photodetectors with unique detecting properties. In this minireview, we focus on a self-driven photodetector that has great potential for low-power or even powerless operation required in the internet of things and wearable electronics. To address the general principle of self-driven properties, we propose and elaborate the concept of symmetry breaking in 2D material based self-driven photodetectors. We discuss various mechanisms of breaking symmetry for self-driven photodetectors, including asymmetrical contact engineering, field-induced asymmetry, PN homojunctions, and PN heterostructures. Typical device examples based on these mechanisms are reviewed and compared. The performance of current self-driven photodetectors is critically assessed and future directions are discussed towards the target application fields.
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Affiliation(s)
- Qi Wang
- South China University of Technology, Guangzhou, China.
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12
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Abstract
Our review provides a comprehensive overview of the latest evolution of broadband photodetectors (BBPDs) based on 2D materials (2DMs). We begin with BBPDs built on various 2DM channels, including narrow-bandgap 2DMs, 2D topological semimetals, 2D charge density wave compounds, and 2D heterojunctions. Then, we introduce defect-engineered 2DM BBPDs, including vacancy engineering, heteroatom incorporation, and interfacial engineering. Subsequently, we summarize 2DM based mixed-dimensional (0D-2D, 1D-2D, 2D-3D, and 0D-2D-3D) BBPDs. Finally, we provide several viewpoints for the future development of this burgeoning field.
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Affiliation(s)
- Jiandong Yao
- State Key Laboratory of Optoelectronic Materials and Technologies, Nanotechnology Research Center, School of Materials Science & Engineering, Sun Yat-sen University, Guangzhou 510275, Guangdong, P. R. China.
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13
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Kumar M, Som T, Kim J. A Transparent Photonic Artificial Visual Cortex. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1903095. [PMID: 31410882 DOI: 10.1002/adma.201903095] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 07/03/2019] [Indexed: 06/10/2023]
Abstract
Mimicking brain-like functionality with an electronic device is an essential step toward the design of future technologies including artificial visual and memory applications. Here, a proof-of-concept all-oxide-based (NiO/TiO2 ) highly transparent (54%) heterostructure is proposed and demonstrated, which mimics the primitive functions of the visual cortex. Specifically, orientation selectivity and spatiotemporal processing similar to that of the visual cortex are demonstrated using direct optical stimuli under the self-biased condition due to photovoltaic effect, illustrating an energy-efficient approach for neuromorphic computing. The photocurrent of the device can be modulated from zero to 80 µA by simply rotating the slit by 90°. The device shows fast rise and fall times of 3 and 6 ms, respectively. Based on Kelvin probe force measurements, the observed results are attributed to a lateral photovoltaic effect. This highly transparent, self-biased, photonic triggered device paves the way for the advancement of energy-efficient neuromorphic computation.
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Affiliation(s)
- Mohit Kumar
- Photoelectric and Energy Device Application Lab (PEDAL), Multidisciplinary Core Institute for Future Energies (MCIFE) and Department of Electrical Engineering, Incheon National University, 119 Academy Rd. Yeonsu, Incheon, 22012, Republic of Korea
| | - Tapobrata Som
- SUNAG Laboratory, Institute of Physics, Bhubaneswar, 751 005, Odisha, India
- Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai, 400 085, India
| | - Joondong Kim
- Photoelectric and Energy Device Application Lab (PEDAL), Multidisciplinary Core Institute for Future Energies (MCIFE) and Department of Electrical Engineering, Incheon National University, 119 Academy Rd. Yeonsu, Incheon, 22012, Republic of Korea
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14
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Effect of Temperature and Capping Agents on Structural and Optical Properties of Tin Sulphide Nanocrystals. JOURNAL OF NANOTECHNOLOGY 2019. [DOI: 10.1155/2019/8235816] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
SnS nanocrystals were synthesized using bis(phenylpiperazine dithiocarbamate)tin(II) in oleic acid (OA) and octadecylamine (ODA) at three different temperatures (150, 190, and 230°C). XRD diffraction pattern confirms that OASnS and ODASnS nanoparticles are in the orthorhombic phase and the type of capping agent used affects the crystallinity. Transmission electron microscopy (TEM) images shows spherically shaped nanocrystals for oleic acid capped SnS (OASnS) while octadecylamine (ODASnS) are cubic. Monodispersed SnS of size range 10.67–17.74 nm was obtained at 150°C for OASnS while the biggest-sized nanocrystals were obtained at 230°C for ODASnS. Temperature and capping agents tuned the crystallite sizes and shapes of the as-prepared nanocrystals. Electron dispersive X-ray spectroscopy indicates the formation of tin sulphide with the presence of Sn and S peaks in the nanocrystals. Flowery and agglomerated spherical-like morphology were observed for ODASnS and OASnS nanocrystals, respectively, using a SEM (scanning electron microscope). Direct electronic band gaps of the synthesized SnS nanocrystals are 1.71–1.95 eV and 1.93–2.81 eV for OASnS and ODASnS nanocrystals, respectively.
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Kumar M, Kim HS, Lee GN, Lim D, Kim J. Piezophototronic Effect Modulated Multilevel Current Amplification from Highly Transparent and Flexible Device Based on Zinc Oxide Thin Film. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1804016. [PMID: 30457700 DOI: 10.1002/smll.201804016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 10/31/2018] [Indexed: 06/09/2023]
Abstract
In this work, a strain modulated highly transparent and flexible ZnO/Ag-nanowires/polyethylene terephthalate optoelectronic device is developed. By utilizing the applied external strain-induced piezophototronic effects of a ZnO thin film, a UV-generated photocurrent is tuned in a wide range starting from 0.01 to 85.07 µA and it is presented in a comprehensive map. Particularly, the performance of the device is effectively enhanced 7733 times by compressive strain, as compared to its dark current in a strain-free state. The observed results are explained quantitatively based on the modulation of oxygen desorption/absorption on the ZnO surface under the influence of applied strains. The presented simple optoelectronic device can be easily integrated into existing planar structures, with potential applications in highly transparent smart windows, wearable electronics, smartphones, security communication, and so on.
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Affiliation(s)
- Mohit Kumar
- Photoelectric and Energy Device Application Lab (PEDAL), Multidisciplinary Core Institute for Future Energies (MCIFE), Incheon National University, 119 Academy Rd. Yeonsu, Incheon, 22012, Republic of Korea
| | - Hong-Sik Kim
- Photoelectric and Energy Device Application Lab (PEDAL), Multidisciplinary Core Institute for Future Energies (MCIFE), Incheon National University, 119 Academy Rd. Yeonsu, Incheon, 22012, Republic of Korea
| | - Gyeong-Nam Lee
- Photoelectric and Energy Device Application Lab (PEDAL), Multidisciplinary Core Institute for Future Energies (MCIFE), Incheon National University, 119 Academy Rd. Yeonsu, Incheon, 22012, Republic of Korea
- Department of Electrical Engineering, Incheon National University, 119 Academy Rd. Yeonsu, Incheon, 22012, Republic of Korea
| | - Donggun Lim
- Department of IT Convergence, Korea National University of Transportation, 50 Daehak-ro, Chungju, Chungbuk, 380702, Republic of Korea
| | - Joondong Kim
- Photoelectric and Energy Device Application Lab (PEDAL), Multidisciplinary Core Institute for Future Energies (MCIFE), Incheon National University, 119 Academy Rd. Yeonsu, Incheon, 22012, Republic of Korea
- Department of Electrical Engineering, Incheon National University, 119 Academy Rd. Yeonsu, Incheon, 22012, Republic of Korea
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Pan L, Yuan S, Lin J, Zou B, Shi LJ. The tunable bandgap effect of SnS films. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2018; 30:465302. [PMID: 30247149 DOI: 10.1088/1361-648x/aae3d3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Two-dimensional (2D) SnS has attracted much attention as a phosphorene analogue due to the promising applications in next-generation nanoelectronic and photovoltaic devices. It has a bandgap of 1.3 eV, which is matched very well with incident solar radiation. To improve the switching character of devices, it is significant to modulate the bandgap of 2D SnS. In this work, potassium ion (K+) or calcium ion (Ca2+) is absorbed on the top surface of SnS films to produce an electric field, by which the bandgap can be tuned effectively. By first-principles method we studied the electronic properties and the modulation mechanism of bandgap in detail. The calculated ionization energy and formation energy are 0.41 eV and 0.26 eV for K (1.33 eV and 1.07 eV for Ca). Such little values indicate that it is feasible for ion absorbed on the surface to be used to modulate the bandgap of SnS films. Our calculations also show that the carrier mobility in plane of SnS films has a character of strong anisotropy and the electron mobility is very high in y direction (25.22 × 103 cm2 V-1 s-1 for SnS trilayer). Therefore 2D SnS has potential application in nanoelectronic and photovoltaic devices in the future. We hope our results will motivate experimental efforts of 2D SnS.
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Affiliation(s)
- Longfei Pan
- Beijing Key Laboratory of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Zhongguancun South Street, Haidian District, Beijing 100081, People's Republic of China
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17
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Ban DK, Kumar M, Patel M, Kim J. Reproducibility analyses of photo-induced pyroelectric photodetector based on vertically grown SnS layers. Data Brief 2018; 18:790-794. [PMID: 29900239 PMCID: PMC5996739 DOI: 10.1016/j.dib.2018.03.092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 01/31/2018] [Accepted: 03/20/2018] [Indexed: 11/25/2022] Open
Abstract
The data presented in this article includes the photograph of prepared samples and transient photoresponses for 365 and 850 nm wavelengths at different intensities. The original photographs of the working device made of vertically grown SnS layers on Si substrate are presented from the previous results (Kumar et al., 2017, 2018) [1], [2]. Reproducibility measure of the device were checked for thousands of cycles and presented with estimated parameters such as photo current density and photo+pyro current density. Data after analysis are summarized in the table, to profile the photo and pyro responses quantitatively.
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18
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Kumar M, Patel M, Nguyen TT, Kim J, Yi J. High-performing ultrafast transparent photodetector governed by the pyro-phototronic effect. NANOSCALE 2018; 10:6928-6935. [PMID: 29594284 DOI: 10.1039/c7nr09699b] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In this work we utilized the advantage of the photo-induced pyroelectric effect - known as "Pyro-phototronic" - to design a self-powered, ultrafast, transparent ultraviolet (UV, 365 nm) photodetector. The device architecture contains an UV absorbing pyroelectric ZnO layer sandwiched between hole-selective V2O5 and a bottom ITO electrode. In addition, the device shows a high optical transmittance, >70%, in the entire visible region. The photo current of the device was enhanced from 19 to 42 μA under pulsed UV light illumination (λ = 365 nm, 4 mW cm-2) by exploiting the pyro-phototronic potential. In addition, the photodetector demonstrated ultrafast responses of ∼4 μs for the rise time and ∼16 μs for the fall time. Further, a high photoresponsivity of ∼36.34 mA W-1 and excellent photodetectivity of ∼6.04 × 1014 Jones, with an enhancement of 725% in both due to the pyroelectric potential, were measured. This novel approach will open a new path to design transparent and ultrafast devices, as well as on the flexible substrates, for future optoelectronic applications.
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Affiliation(s)
- Mohit Kumar
- Department of Electrical Engineering, Incheon National University, 119 Academy Rd. Yeonsu, Incheon, 406772, Republic of Korea
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Kumar M, Kim HS, Park DY, Jeong MS, Kim J. Wide channel broadband CH3NH3PbI3/SnS hybrid photodetector: breaking the limit of bandgap energy operation. RSC Adv 2018; 8:23206-23212. [PMID: 35540116 PMCID: PMC9081638 DOI: 10.1039/c8ra02825g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 06/16/2018] [Indexed: 11/21/2022] Open
Abstract
Perovskite-based hybrid organic–inorganic devices have recently demonstrated high potential in optoelectronics.
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Affiliation(s)
- Mohit Kumar
- Photoelectric and Energy Device Application Lab (PEDAL)
- Multidisciplinary Core Institute for Future Energies (MCIFE)
- Incheon National University
- Incheon
- Republic of Korea
| | - Hong-Sik Kim
- Photoelectric and Energy Device Application Lab (PEDAL)
- Multidisciplinary Core Institute for Future Energies (MCIFE)
- Incheon National University
- Incheon
- Republic of Korea
| | - Dae Young Park
- Department of Energy Science
- Sungkyunkwan University
- Suwon 16419
- Republic of Korea
| | - Mun Seok Jeong
- Department of Energy Science
- Sungkyunkwan University
- Suwon 16419
- Republic of Korea
| | - Joondong Kim
- Photoelectric and Energy Device Application Lab (PEDAL)
- Multidisciplinary Core Institute for Future Energies (MCIFE)
- Incheon National University
- Incheon
- Republic of Korea
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Wang F, Wang Z, Yin L, Cheng R, Wang J, Wen Y, Shifa TA, Wang F, Zhang Y, Zhan X, He J. 2D library beyond graphene and transition metal dichalcogenides: a focus on photodetection. Chem Soc Rev 2018; 47:6296-6341. [DOI: 10.1039/c8cs00255j] [Citation(s) in RCA: 156] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Two-dimensional materials beyond graphene and TMDs can be promising candidates for wide-spectra photodetection.
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Patel M, Kumar M, Kim J, Kim YK. Photocurrent Enhancement by a Rapid Thermal Treatment of Nanodisk-Shaped SnS Photocathodes. J Phys Chem Lett 2017; 8:6099-6105. [PMID: 29210580 DOI: 10.1021/acs.jpclett.7b02998] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Photocathodes made from the earth-abundant, ecofriendly mineral tin monosulfide (SnS) can be promising candidates for p/n-type photoelectrochemical cells because they meet the strict requirements of energy band edges for each individual photoelectrode. Herein we fabricated SnS-based cell that exhibited a prolonged photocurrent for 3 h at -0.3 V vs the reversible hydrogen electrode (RHE) in a 0.1 M HCl electrolyte. An enhancement of the cathodic photocurrent from 2 to 6 mA cm-2 is observed through a rapid thermal treatment. Mott-Schottky analysis of SnS samples revealed an anodic shift of 0.7 V in the flat band potential under light illumination. Incident photon-to-current conversion efficiency (IPCE) analysis indicates that an efficient charge transfer appropriate for solar hydrogen generation occurs at the -0.3 V vs RHE potential. This work shows that SnS is a promising material for photocathode in PEC cells and its performance can be enhanced via simple postannealing.
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Affiliation(s)
- Malkeshkumar Patel
- Photoelectric and Energy Device Application Lab (PEDAL), Multidisciplinary Core Institute for Future Energies (MCIFE), Incheon National University , 119 Academy Road, Yeonsu, Incheon 406772, Republic of Korea
- Department of Electrical Engineering, Incheon National University , 119 Academy Road, Yeonsu, Incheon 406772, Republic of Korea
| | - Mohit Kumar
- Photoelectric and Energy Device Application Lab (PEDAL), Multidisciplinary Core Institute for Future Energies (MCIFE), Incheon National University , 119 Academy Road, Yeonsu, Incheon 406772, Republic of Korea
- Department of Electrical Engineering, Incheon National University , 119 Academy Road, Yeonsu, Incheon 406772, Republic of Korea
| | - Joondong Kim
- Photoelectric and Energy Device Application Lab (PEDAL), Multidisciplinary Core Institute for Future Energies (MCIFE), Incheon National University , 119 Academy Road, Yeonsu, Incheon 406772, Republic of Korea
- Department of Electrical Engineering, Incheon National University , 119 Academy Road, Yeonsu, Incheon 406772, Republic of Korea
| | - Yu Kwon Kim
- Department of Energy Systems Research, Ajou University , Suwon 16499, Republic of Korea
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