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Paul R, Maity N, Das B, Emadian SS, Kumar A, Krishnamurthy S, Singh AK, Ghosh R. Efficient detection of 45 ppb ammonia at room temperature using Ni-doped CeO 2 octahedral nanostructures. J Colloid Interface Sci 2024; 662:663-675. [PMID: 38368824 DOI: 10.1016/j.jcis.2024.02.080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/30/2024] [Accepted: 02/07/2024] [Indexed: 02/20/2024]
Abstract
To meet the requirements in air quality monitors for the public and industrial safety, sensors are required that can selectively detect the concentration of gaseous pollutants down to the parts per million (ppm) and ppb (parts per billion) levels. Herein, we report a remarkable NH3 sensor using Ni-doped CeO2 octahedral nanostructure which efficiently detects NH3 as low as 45 ppb at room temperature. The Ni-doped CeO2 sensor exhibits the maximum response of 42 towards 225 ppm NH3, which is ten-fold higher than pure CeO2. The improved sensing performance is caused by the enhancement of oxygen vacancy, bandgap narrowing, and redox property of CeO2 caused by Ni doping. Density functional theory confirms that O vacancy with Ni at Ce site (VONiCe) augments the sensing capabilities. The Bader charge analysis predicts the amount of charge transfer (0.04 e) between the Ni-CeO2 surface and the NH3 molecule. As well, the high negative adsorption energy (≈750 meV) and lowest distance (1.40 Å) of the NH3 molecule from the sensor surface lowers the detection limit. The present work enlightens the fabrication of sensing elements through defect engineering for ultra-trace detection of NH3 to be useful further in the field of sensor applications.
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Affiliation(s)
- Rinku Paul
- Materials Processing & Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, Durgapur 713209, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Nikhilesh Maity
- Materials Research Centre, Indian Institute of Science, Bangalore 560012, India
| | - Biswajit Das
- Materials Processing & Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, Durgapur 713209, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Seyedeh Sadrieh Emadian
- School of Engineering and Innovations, The Open University, Milton Keynes MK7 6AA, United Kingdom
| | - Ajay Kumar
- School of Engineering and Innovations, The Open University, Milton Keynes MK7 6AA, United Kingdom
| | - Satheesh Krishnamurthy
- School of Engineering and Innovations, The Open University, Milton Keynes MK7 6AA, United Kingdom
| | | | - Ranajit Ghosh
- Materials Processing & Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, Durgapur 713209, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India.
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Xia C, Ye H, Kim A, Sabahi Namini A, Li S, Delbari SA, Park JY, Kim D, Le QV, Varma RS, Luque R, T-Raissi A, Jang HW, Shokouhimehr M. Recent catalytic applications of MXene-based layered nanomaterials. CHEMOSPHERE 2023; 325:138323. [PMID: 36906005 DOI: 10.1016/j.chemosphere.2023.138323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/03/2023] [Accepted: 03/04/2023] [Indexed: 06/18/2023]
Abstract
The urgent issues related to the catalytic processes and energy applications have accelerated the development of hybrid and smart materials. MXenes are a new family of atomic layered nanostructured materials that require considerable research. Tailorable morphologies, strong electrical conductivity, great chemical stability, large surface-to-volume ratios, tunable structures, among others are some significant characteristics that make MXenes appropriate for various electrochemical reactions, including dry reforming of methane, hydrogen evolution reaction, methanol oxidation reaction, sulfur reduction reaction, Suzuki-Miyaura coupling reaction, water-gas shift reaction, and so forth. MXenes, on the other hand, have a fundamental drawback of agglomeration, as well as poor long-term recyclability and stability. One possibility for overcoming the restrictions is the fusion of nanosheets or nanoparticles with MXenes. Herein, the relevant literature on the synthesis, catalytic stability and reusability, and applications of several MXene-based nanocatalysts are deliberated including the merits and cons of the newer MXene-based catalysts.
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Affiliation(s)
- Changlei Xia
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Haoran Ye
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Aejung Kim
- Hankuk University of Foreign Studies, Seoul, 02449, Republic of Korea
| | - Abbas Sabahi Namini
- Department of Engineering Sciences, Faculty of Advanced Technologies, University of Mohaghegh Ardabili, Ardabil, Iran.
| | - Suiyi Li
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Seyed Ali Delbari
- Department of Engineering Sciences, Faculty of Advanced Technologies, University of Mohaghegh Ardabili, Ardabil, Iran.
| | - Joo Young Park
- Department of Nano-bio Convergence, Korea Institute of Materials Science, Changwon, 51508, Republic of Korea
| | - Dokyoon Kim
- Department of Bionano Engineering, Hanyang University, 15588, Ansan, Republic of Korea; Institute of Nanosensor Technology, Hanyang University, Ansan, 15588, Republic of Korea
| | - Quyet Van Le
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Rajender S Varma
- Institute for Nanomaterials, Advanced Technologies and Innovation (CxI), Technical University of Liberec (TUL), Studentská 1402/2, Liberec 1 461 17, Czech Republic
| | - Rafael Luque
- Peoples Friendship University of Russia (RUDN University), 6 Miklukho Maklaya str., 117198, Moscow, Russian Federation; Universidad ECOTEC, Km. 13.5 Samborondón, Samborondón, EC092302, Ecuador
| | - Ali T-Raissi
- University of Central Florida, Florida Solar Energy Center, Cocoa, FL, 32922, USA
| | - Ho Won Jang
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea
| | - Mohammadreza Shokouhimehr
- Institute of Nanosensor Technology, Hanyang University, Ansan, 15588, Republic of Korea; Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul, 08826, Republic of Korea.
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