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Xie B, Sun J, Zhang A, Qian H, Mao X, Li Y, Yan W, Zhou C, Wen HM, Xia S, Han M, Milani P, Mao P. Development of Pd/In 2O 3 hybrid nanoclusters to optimize ethanol vapor sensing. Phys Chem Chem Phys 2024; 26:13364-13373. [PMID: 38639921 DOI: 10.1039/d4cp00868e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
In this study, we successfully synthesize palladium-decorated indium trioxide (Pd/In2O3) hybrid nanoclusters (NCs) using an advanced dual-target cluster beam deposition (CBD) method, a significant stride in developing high-performance ethanol sensors. The prepared Pd/In2O3 hybrid NCs exhibit exceptional sensitivity, stability, and selectivity to low concentrations of ethanol vapor, with a maximum response value of 101.2 at an optimal operating temperature of 260 °C for 6 at% Pd loading. The dynamic response of the Pd/In2O3-based sensor shows an increase in response with increasing ethanol vapor concentrations within the range of 50 to 1000 ppm. The limit of detection is as low as 24 ppb. The sensor exhibits a high sensitivity of 28.24 ppm-1/2, with response and recovery times of 2.7 and 4.4 seconds, respectively, for 100 ppm ethanol vapor. Additionally, the sensor demonstrates excellent repeatability and stability, with only a minor decrease in response observed over 30 days and notable selectivity for ethanol compared to other common volatile organic compounds. The study highlights the potential of Pd/In2O3 NCs as promising materials for ethanol gas sensors, leveraging the unique capabilities of CBD for controlled synthesis and the catalytic properties of Pd for enhanced gas-sensing performance.
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Affiliation(s)
- Bo Xie
- College of Chemical Engineering, Zhejiang University of Technology, Zhejiang 310014, P. R. China
| | - Jian Sun
- College of Chemical Engineering, Zhejiang University of Technology, Zhejiang 310014, P. R. China
| | - Aoxue Zhang
- College of Chemical Engineering, Zhejiang University of Technology, Zhejiang 310014, P. R. China
| | - Haoyu Qian
- College of Chemical Engineering, Zhejiang University of Technology, Zhejiang 310014, P. R. China
| | - Xibing Mao
- College of Chemical Engineering, Zhejiang University of Technology, Zhejiang 310014, P. R. China
| | - Yingzhu Li
- College of Chemical Engineering, Zhejiang University of Technology, Zhejiang 310014, P. R. China
| | - Wenjing Yan
- College of Chemical Engineering, Zhejiang University of Technology, Zhejiang 310014, P. R. China
| | - Changjiang Zhou
- College of Chemical Engineering, Zhejiang University of Technology, Zhejiang 310014, P. R. China
| | - Hui-Min Wen
- College of Chemical Engineering, Zhejiang University of Technology, Zhejiang 310014, P. R. China
| | - Shengjie Xia
- College of Chemical Engineering, Zhejiang University of Technology, Zhejiang 310014, P. R. China
| | - Min Han
- National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, P. R. China.
| | - Paolo Milani
- CIMAINA and Department of Physics, Università degli Studi di Milano, via Celoria 16, I-20133, Milano, Italy
| | - Peng Mao
- National Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, P. R. China.
- State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, 310027, P. R. China
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Kim J, John AT, Li H, Huang CY, Chi Y, Anandan PR, Murugappan K, Tang J, Lin CH, Hu L, Kalantar-Zadeh K, Tricoli A, Chu D, Wu T. High-Performance Optoelectronic Gas Sensing Based on All-Inorganic Mixed-Halide Perovskite Nanocrystals with Halide Engineering. SMALL METHODS 2024; 8:e2300417. [PMID: 37330645 DOI: 10.1002/smtd.202300417] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/30/2023] [Indexed: 06/19/2023]
Abstract
Gas sensors are of great interest to portable and miniaturized sensing technologies with applications ranging from air quality monitoring to explosive detection and medical diagnostics, but the existing chemiresistive NO2 sensors still suffer from issues such as poor sensitivity, high operating temperature, and slow recovery. Herein, a high-performance NO2 sensors based on all-inorganic perovskite nanocrystals (PNCs) is reported, achieving room temperature operation with ultra-fast response and recovery time. After tailoring the halide composition, superior sensitivity of ≈67 at 8 ppm NO2 is obtained in CsPbI2 Br PNC sensors with a detection level down to 2 ppb, which outperforms other nanomaterial-based NO2 sensors. Furthermore, the remarkable optoelectronic properties of such PNCs enable dual-mode operation, i.e., chemiresistive and chemioptical sensing, presenting a new and versatile platform for advancing high-performance, point-of-care NO2 detection technologies.
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Affiliation(s)
- Jiyun Kim
- School of Materials Science and Engineering, University of New South Wales (UNSW), Sydney, NSW, 2052, Australia
| | - Alishba T John
- Nanotechnology Research Laboratory, Research School of Electrical, Energy and Materials Engineering Chemistry, College of Engineering and Computer Science, Australian National University (ANU), Canberra, ACT, 0200, Australia
| | - Hanchen Li
- School of Materials Science and Engineering, University of New South Wales (UNSW), Sydney, NSW, 2052, Australia
| | - Chien-Yu Huang
- School of Materials Science and Engineering, University of New South Wales (UNSW), Sydney, NSW, 2052, Australia
| | - Yuan Chi
- School of Chemical Engineering, University of New South Wales (UNSW), Sydney, NSW, 2052, Australia
| | - Pradeep Raja Anandan
- School of Materials Science and Engineering, University of New South Wales (UNSW), Sydney, NSW, 2052, Australia
| | - Krishnan Murugappan
- Commonwealth Scientific and Industrial Research Organization (CSIRO), Mineral Resources, Clayton South, Victoria, 3169, Australia
| | - Jianbo Tang
- School of Chemical Engineering, University of New South Wales (UNSW), Sydney, NSW, 2052, Australia
| | - Chun-Ho Lin
- School of Materials Science and Engineering, University of New South Wales (UNSW), Sydney, NSW, 2052, Australia
| | - Long Hu
- School of Materials Science and Engineering, University of New South Wales (UNSW), Sydney, NSW, 2052, Australia
- School of Engineering, Macquarie University, Sydney, NSW, 2019, Australia
| | - Kourosh Kalantar-Zadeh
- School of Chemical and Biomolecular Engineering, University of Sydney, Sydney, NSW, 2006, Australia
| | - Antonio Tricoli
- Nanotechnology Research Laboratory, Research School of Electrical, Energy and Materials Engineering Chemistry, College of Engineering and Computer Science, Australian National University (ANU), Canberra, ACT, 0200, Australia
- Nanotechnology Research Laboratory, School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Dewei Chu
- School of Materials Science and Engineering, University of New South Wales (UNSW), Sydney, NSW, 2052, Australia
| | - Tom Wu
- School of Materials Science and Engineering, University of New South Wales (UNSW), Sydney, NSW, 2052, Australia
- Department of Applied Physics, The Hong Kong Polytechnic University, Kowloon, Hong Kong, 999077, P. R. China
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Wu ZF, Wang C, Liu X, Tan K, Fu Z, Teat SJ, Li ZW, Hei X, Huang XY, Xu G, Li J. Confinement of 1D Chain and 2D Layered CuI Modules in K-INA-R Frameworks via Coordination Assembly: Structure Regulation and Semiconductivity Tuning. J Am Chem Soc 2023; 145:19293-19302. [PMID: 37616202 DOI: 10.1021/jacs.3c05095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
Herein, we present a new series of CuI-based hybrid materials with tunable structures and semiconducting properties. The CuI inorganic modules can be tailored into a one-dimensional (1D) chain and two-dimensional (2D) layer and confined/stabilized in coordination frameworks of potassium isonicotinic acid (HINA) and its derivatives (HINA-R, R = OH, NO2, and COOH). The resulting CuI-based hybrid materials exhibit interesting semiconducting behaviors associated with the dimensionality of the inorganic module; for instance, the structures containing the 2D-CuI module demonstrate significantly enhanced photoconductivity with a maximum increase of five orders of magnitude compared to that of the structures containing the 1D-CuI module. They also represent the first CuI-bearing hybrid chemiresistive gas sensors for NO2 with boosted sensing performance and sensitivity at multiple orders of magnitude over that of the pristine CuI. Particularly, the sensing ability of CuI-K-INA containing both 1D- and 2D-CuI modules is comparable to those of the best NO2 chemiresistors reported thus far.
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Affiliation(s)
- Zhao-Feng Wu
- Department of Chemistry and Chemical Biology, Rutgers University, 123 Bevier Rd. Piscataway, New Brunswick, New Jersey 08854, United States
- State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, the Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, P. R. China
| | - Chuanzhe Wang
- State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, the Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Xingwu Liu
- Synfuels China Technology Co.Ltd., Leyuan Second South Street Yanqi Development Zone Huairou, Beijing 101407, P. R. China
| | - Kui Tan
- Department of Chemistry, University of North Texas, 1155 Union Cir, Denton, Texas 76203, United States
| | - Zhihua Fu
- State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, the Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Simon J Teat
- Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720, United States
| | - Zi-Wei Li
- State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, the Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108, P. R. China
| | - Xiuze Hei
- Department of Chemistry and Chemical Biology, Rutgers University, 123 Bevier Rd. Piscataway, New Brunswick, New Jersey 08854, United States
| | - Xiao-Ying Huang
- State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, the Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Gang Xu
- State Key Laboratory of Structural Chemistry, Fujian Provincial Key Laboratory of Materials and Techniques toward Hydrogen Energy, Fujian Institute of Research on the Structure of Matter, the Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Jing Li
- Department of Chemistry and Chemical Biology, Rutgers University, 123 Bevier Rd. Piscataway, New Brunswick, New Jersey 08854, United States
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Chizhov A, Rumyantseva M, Gaskov A. Light Activation of Nanocrystalline Metal Oxides for Gas Sensing: Principles, Achievements, Challenges. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:892. [PMID: 33807340 PMCID: PMC8066598 DOI: 10.3390/nano11040892] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/22/2021] [Accepted: 03/24/2021] [Indexed: 11/16/2022]
Abstract
The review deals with issues related to the principle of operation of resistive semiconductor gas sensors and the use of light activation instead of thermal heating when detecting gases. Information on the photoelectric and optical properties of nanocrystalline oxides SnO2, ZnO, In2O3, and WO3, which are the most widely used sensitive materials for semiconductor gas sensors, is presented. The activation of the gas sensitivity of semiconductor materials by both UV and visible light is considered. When activated by UV light, the typical approaches for creating materials are (i) the use of individual metal oxides, (ii) chemical modification with nanoparticles of noble metals and their oxides, (iii) and the creation of nanocomposite materials based on metal oxides. In the case of visible light activation, the approaches used to enhance the photo- and gas sensitivity of wide-gap metal oxides are (i) doping; (ii) spectral sensitization using dyes, narrow-gap semiconductor particles, and quantum dots; and (iii) addition of plasmon nanoparticles. Next, approaches to the description of the mechanism of the sensor response of semiconductor sensors under the action of light are considered.
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Affiliation(s)
| | - Marina Rumyantseva
- Chemistry Department, Moscow State University, 119991 Moscow, Russia; (A.C.); (A.G.)
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Monitoring of reaction kinetics and determination of trace water in hydrophobic organic solvents by a smartphone-based ratiometric fluorescence device. Mikrochim Acta 2020; 187:564. [PMID: 32920653 DOI: 10.1007/s00604-020-04551-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Accepted: 09/04/2020] [Indexed: 02/01/2023]
Abstract
A smartphone-based ratiometric fluorescence device was designed to monitor the reaction kinetic process under vigorous mixing conditions, demonstrated by the hydrolysis of Cs4PbBr6 nanocrystals (NCs). In the presence of trace water, part of Cs4PbBr6 NCs (non-fluorescent) was converted to CsPbBr3 NCs (strong fluorescent). Using anthracene as the reference fluorophore, the brightness ratio of the green (from CsPbBr3 NCs) to blue (from anthracene) components in the fluorescence image which was recorded in situ by the smartphone camera was measured as the signal for kinetic analysis. It was shown that the water-triggered conversion reaction from Cs4PbBr6 NCs to CsPbBr3 NCs follows the pseudo-second-order kinetic model in the early rapid hydrolysis stage (up to 4 min). With increasing water content, the hydrolysis of Cs4PbBr6 NCs is promoted to yield more CsPbBr3 NCs, which was used to determine trace water in n-hexane, dichloromethane, and toluene with detection limits of 0.031, 0.043, and 0.057 μL mL-1, respectively. The device offers the advantages of portability and low cost for rapid field determination of trace water in hydrophobic organic solvents. Graphical abstract.
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Chen X, Chen X, Han Y, Su C, Zeng M, Hu N, Su Y, Zhou Z, Wei H, Yang Z. Two-dimensional MoSe 2 nanosheets via liquid-phase exfoliation for high-performance room temperature NO 2 gas sensors. NANOTECHNOLOGY 2019; 30:445503. [PMID: 31349238 DOI: 10.1088/1361-6528/ab35ec] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Molybdenum selenide (MoSe2) has drawn significant interest due to its typical semiconductor properties. MoSe2 is a relatively novel material in the field of gas sensors especially at room temperature. Herein, we utilize a facile and efficient synthetic method of liquid-phase exfoliation to exfoliate bulk MoSe2 into nanosheets. Anhydrous ethanol is used as dispersant, so the low boiling point makes it easy to be removed from MoSe2 nanosheets, which does not affect the subsequent sensing performance. The exfoliated few-layered MoSe2 nanosheets shows significantly enhanced NO2 gas response (1500% to 10 ppm NO2 which is 18 times greater than pristine bulk MoSe2), a low detection concentration (50 ppb), an outstanding repeatability, a remarkable selectivity, and a reliable long-term device durability (more than 60 d) at room temperature (25 °C). The reason of the significant improvement in gas sensing performance can be attributed mainly to the higher surface-to-volume ratio of exfoliated MoSe2 nanosheets. It promotes the adsorption of gas molecules on the surface of the material, thereby facilitating the charge transfer process. The superior performance of this gas sensor makes MoSe2 nanosheets a potential candidate for room temperature NO2 detection.
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Affiliation(s)
- Xi Chen
- Key Laboratory of Thin Film and Microfabrication (Ministry of Education), Department of Micro/Nano Electronics, School of Electronic Information and Electrical Engineering, Center of Hydrogen Science, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
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Quasi Similar Routes of NO 2 and NO Sensing by Nanocrystalline WO 3: Evidence by In Situ DRIFT Spectroscopy. SENSORS 2019; 19:s19153405. [PMID: 31382551 PMCID: PMC6696453 DOI: 10.3390/s19153405] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Revised: 07/31/2019] [Accepted: 08/01/2019] [Indexed: 11/25/2022]
Abstract
Tungsten oxide is a renowned material for resistive type gas sensors with high sensitivity to nitrogen oxides. Most studies have been focused on sensing applications of WO3 for the detection of NO2 and a sensing mechanism has been established. However, less is known about NO sensing routes. There is disagreement on whether NO is detected as an oxidizing or reducing gas, due to the ambivalent redox behavior of nitric oxide. In this work, nanocrystalline WO3 with different particle size was synthesized by aqueous deposition of tungstic acid and heat treatment. A high sensitivity to NO2 and NO and low cross-sensitivities to interfering gases were established by DC-resistance measurements of WO3 sensors. Both nitrogen oxides were detected as the oxidizing gases. Sensor signals increased with the decrease of WO3 particle size and had similar dependence on temperature and humidity. By means of in situ infrared (DRIFT) spectroscopy similar interaction routes of NO2 and NO with the surface of tungsten oxide were unveiled. Analysis of the effect of reaction conditions on sensor signals and infrared spectra led to the conclusion that the interaction of WO3 surface with NO was independent of gas-phase oxidation to NO2.
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Liu F, Wang X, Chen X, Song X, Tian J, Cui H. Porous ZnO Ultrathin Nanosheets with High Specific Surface Areas and Abundant Oxygen Vacancies for Acetylacetone Gas Sensing. ACS APPLIED MATERIALS & INTERFACES 2019; 11:24757-24763. [PMID: 31246390 DOI: 10.1021/acsami.9b06701] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In this study, porous ZnO ultrathin nanosheets with abundant surface oxygen vacancies were prepared by a hydrothermal technique followed by an annealing method using graphene oxide (GO) as a template. The high specific surface area of GO with ultrathin thickness provided an important template for the ZnO ultrathin nanosheets. The as-prepared porous ZnO ultrathin nanosheets exhibited superior acetylacetone sensing performance. The sensor response of the porous ZnO ultrathin nanosheets was 191.1 for 100 ppm acetylacetone, which was approximately 4 times higher than that of ZnO clusters (prepared without GO template) at 340 °C. The porous ZnO ultrathin nanosheets also exhibited excellent selectivity and operational stability. The excellent gas sensing performance of the porous ZnO ultrathin nanosheets was due to their high specific surface area (130.5 m2/g) and abundant surface oxygen vacancy.
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Affiliation(s)
- Fengjun Liu
- School of Materials Science and Engineering , Shandong University of Science and Technology , Qingdao , Shandong 266590 , People's Republic of China
| | - Xinzhen Wang
- School of Materials Science and Engineering , Shandong University of Science and Technology , Qingdao , Shandong 266590 , People's Republic of China
| | - Xiaoyan Chen
- School of Materials Science and Engineering , Shandong University of Science and Technology , Qingdao , Shandong 266590 , People's Republic of China
| | - Xiaojie Song
- School of Materials Science and Engineering , Shandong University of Science and Technology , Qingdao , Shandong 266590 , People's Republic of China
| | - Jian Tian
- School of Materials Science and Engineering , Shandong University of Science and Technology , Qingdao , Shandong 266590 , People's Republic of China
| | - Hongzhi Cui
- School of Materials Science and Engineering , Shandong University of Science and Technology , Qingdao , Shandong 266590 , People's Republic of China
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Enhanced Hydrogen Detection in ppb-Level by Electrospun SnO₂-Loaded ZnO Nanofibers. SENSORS 2019; 19:s19030726. [PMID: 30754658 PMCID: PMC6387097 DOI: 10.3390/s19030726] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 02/01/2019] [Accepted: 02/08/2019] [Indexed: 12/15/2022]
Abstract
High-performance hydrogen sensors are important in many industries to effectively address safety concerns related to the production, delivering, storage and use of H2 gas. Herein, we present a highly sensitive hydrogen gas sensor based on SnO2-loaded ZnO nanofibers (NFs). The xSnO2-loaded (x = 0.05, 0.1 and 0.15) ZnO NFs were fabricated using an electrospinning technique followed by calcination at high temperature. Microscopic analyses demonstrated the formation of NFs with expected morphology and chemical composition. Hydrogen sensing studies were performed at various temperatures and the optimal working temperature was selected as 300 °C. The optimal gas sensor (0.1 SnO2 loaded ZnO NFs) not only showed a high response to 50 ppb hydrogen gas, but also showed an excellent selectivity to hydrogen gas. The excellent performance of the gas sensor to hydrogen gas was mainly related to the formation of SnO2-ZnO heterojunctions and the metallization effect of ZnO.
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