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Kumar A, Nath P, Kumar V, Kumar Tailor N, Satapathi S. 3D printed optical sensor for highly sensitive detection of picric acid using perovskite nanocrystals and mechanism of photo-electron transfer. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 286:121956. [PMID: 36252303 DOI: 10.1016/j.saa.2022.121956] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 10/01/2022] [Accepted: 10/05/2022] [Indexed: 06/16/2023]
Abstract
Hand-held, compact and portable sensors for on-site detection of environmental contaminants are in high demand for industry 4.0. Here, we have developed a sensor based on luminescent organic-inorganic metal halide hybrid perovskites nanocrystals (CH3NH3PbBr3) with p-xylylenediamine as an additional capping agent for highly sensitive and selective detection of picric acid (PA), with a good linear range of 1.8 μM-14.3 μM achieving detection of limit (LOD) of 0.3 μM. The electrostatic interaction between PA and the capping ligand of perovskite nanocrystals resulted in significant fluorescence quenching, as revealed by the steady-state and time-resolved spectroscopy. The applicability of the developed sensor for PA detection was validated with a 3D printed device integrating surface mounting device (SMD) and paper microfluidics. This prototype device was successfully applied as a fluorescence turn-off sensor to detect PA, showing great potential for on-site detection. This 3D-printed paper-based microfluidic optical sensor proved very efficient for naked-eye detection of PA with an inbuilt excitation source, avoiding the requirement of expensive and complex instrumentation.
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Affiliation(s)
- Anshu Kumar
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee, Haridwar, Uttarakhand 247667, India.
| | - Prathul Nath
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee, Haridwar, Uttarakhand 247667, India.
| | - Vishal Kumar
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee, Haridwar, Uttarakhand 247667, India.
| | - Naveen Kumar Tailor
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee, Haridwar, Uttarakhand 247667, India.
| | - Soumitra Satapathi
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee, Haridwar, Uttarakhand 247667, India.
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Wu Q, Feng Z, Wang Z, Peng Z, Zhang L, Li Y. Visual chemiresistive dual-mode sensing platform based on SnS2/Ti3C2 MXene Schottky junction for acetone detection at room temperature. Talanta 2023. [DOI: 10.1016/j.talanta.2022.124063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Casanova-Chafer J, Garcia-Aboal R, Atienzar P, Llobet E. Unraveling the Gas-Sensing Mechanisms of Lead-Free Perovskites Supported on Graphene. ACS Sens 2022; 7:3753-3763. [PMID: 36410796 PMCID: PMC9791682 DOI: 10.1021/acssensors.2c01581] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Lead halide perovskites have been attracting great attention due to their outstanding properties and have been utilized for a wide variety of applications. However, the high toxicity of lead promotes an urgent and necessary search for alternative nanomaterials. In this perspective, the emerging lead-free perovskites are an environmentally friendly and harmless option. The present work reports for the first time gas sensors based on lead-free perovskite nanocrystals supported on graphene, which acts as a transducing element owing to its high and efficient carrier transport properties. The use of nanocrystals enables achieving excellent sensitivity toward gas compounds and presents better properties than those of bulky perovskite thin films, owing to their quantum confinement effect and exciton binding energy. Specifically, an industrially scalable, facile, and inexpensive synthesis is proposed to support two different perovskites (Cs3CuBr5 and Cs2AgBiBr6) on graphene for effectively detecting a variety of harmful pollutants below the threshold limit values. H2 and H2S gases were detected for the first time by utilizing lead-free perovskites, and ultrasensitive detection of NO2 was also achieved at room temperature. In addition, the band-gap type, defect tolerance, and electronic surface traps at the nanocrystals were studied in detail for understanding the differences in the sensing performance observed. Finally, a comprehensive sensing mechanism is proposed.
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Affiliation(s)
- Juan Casanova-Chafer
- MINOS
Research Group, Department of Electronics Engineering, Universitat Rovira i Virgili, 43007Tarragona, Spain,
| | - Rocio Garcia-Aboal
- Instituto
de Tecnología Química (Universitat Politècnica
de València − Consejo Superior de Investigaciones Científicas), 46022Valencia, Spain,
| | - Pedro Atienzar
- Instituto
de Tecnología Química (Universitat Politècnica
de València − Consejo Superior de Investigaciones Científicas), 46022Valencia, Spain
| | - Eduard Llobet
- MINOS
Research Group, Department of Electronics Engineering, Universitat Rovira i Virgili, 43007Tarragona, Spain
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Wang J, Cao Q, Cheng XF, Ye W, He JH, Lu JM. Moisture-Insensitive and Highly Selective Detection of NO 2 by Ion-in-Conjugation Covalent Organic Frameworks. ACS Sens 2022; 7:3782-3789. [PMID: 36384296 DOI: 10.1021/acssensors.2c01631] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
As a common toxic gas, nitrogen dioxide (NO2) seriously threatens the environment and human respiratory system even at part per billion (ppb) level. Covalent organic frameworks (COFs) have gained widespread attention in sensing applications because of the benefits of designability, environmental stability, and a large number of active sites. However, the competitive adsorption of water molecules and the target gas molecules at room temperature as well as the weak interaction between COFs and gas molecules hinder their practical applications. Here, we introduce ion-in-conjugation (IIC) into a covalent organic framework (COF) by preparing a condensate of squaraine (SA) with 1,3,5-tris(4-aminophenyl)benzene (TAPB) to form a mesoporous macrocyclic material (SA-TAPB). Layers of SA-TAPB, drop cast onto interdigitated Ag-Pd alloy electrodes, show a statistically significant conductivity response to NO2 at concentrations as low as 30 ppb and a theoretical detection limit of 10.9 ppb. The sensor displays a lower sensitivity to variations in humidity when operated at 80 °C compared to room temperature. The density functional theory (DFT) calculations indicated that the main adsorption site of NO2 is dual hydrogen bonds formed between two amide hydrogen atoms of SA-TAPB and the NO2 molecule. Gas adsorption experiments revealed that SA-TAPB has the largest adsorption capacity of NO2 versus other interference gases, which were responsible for the excellent selectivity toward NO2.
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Affiliation(s)
- Jia Wang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Suzhou Nano Science and Technology, National United Engineering Laboratory of Functionalized Environmental Adsorption Mate-Rials, Soochow University, Suzhou215123, P. R. China
| | - Qiang Cao
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Suzhou Nano Science and Technology, National United Engineering Laboratory of Functionalized Environmental Adsorption Mate-Rials, Soochow University, Suzhou215123, P. R. China
| | - Xue-Feng Cheng
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Suzhou Nano Science and Technology, National United Engineering Laboratory of Functionalized Environmental Adsorption Mate-Rials, Soochow University, Suzhou215123, P. R. China
| | - Wen Ye
- Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou215123, P. R. China
| | - Jing-Hui He
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Suzhou Nano Science and Technology, National United Engineering Laboratory of Functionalized Environmental Adsorption Mate-Rials, Soochow University, Suzhou215123, P. R. China
| | - Jian-Mei Lu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Suzhou Nano Science and Technology, National United Engineering Laboratory of Functionalized Environmental Adsorption Mate-Rials, Soochow University, Suzhou215123, P. R. China
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Bhosale MK, Kazi AI, Pawar KK, Shingate RS, Kadam AD, Patil NJ, Sheikh AD. Eco-friendly MA 3Bi 2I 9perovskite thin films based ammonia sensor. NANOTECHNOLOGY 2022; 34:065501. [PMID: 36347030 DOI: 10.1088/1361-6528/aca0f7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 11/08/2022] [Indexed: 06/16/2023]
Abstract
Organic-inorganic perovskite halides (OIPH) have emerged as a wonder material with growing interest in sensors detecting various toxic gases. However, lead toxicity represents a potential obstacle, and therefore finding lead-free cost-effective compatible materials for gas sensing applications is essential. In this work, methylammonium bismuth iodide i.e. (CH3NH3)3Bi2I9(MABI) perovskite thin films-based ammonia (NH3) sensor was synthesized using an antisolvent-assisted one-step spin coating method. The MABI sensor shows a linear relationship between the responsivity and concentration of NH3with excellent reversibility, high gas responsivity, and humidity stability. The MABI thin-film sensor exhibits a maximum gas response of 24%, a short response/recovery time i.e. 0.14 s /8.15 s and good reversibility at 6 ppm of NH3. It was observed that MABI thin films based sensors have excellent ambient stability over a couple of months. This work reveals that it is feasible to design high-performance gas sensors based on environmentally-friendly Bi-based OIPH materials.
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Affiliation(s)
- M K Bhosale
- School of Nanoscience and Technology, Shivaji University, Kolhapur, 416004, Maharashtra, India
| | - A I Kazi
- School of Nanoscience and Technology, Shivaji University, Kolhapur, 416004, Maharashtra, India
| | - K K Pawar
- School of Nanoscience and Technology, Shivaji University, Kolhapur, 416004, Maharashtra, India
| | - R S Shingate
- School of Nanoscience and Technology, Shivaji University, Kolhapur, 416004, Maharashtra, India
| | - A D Kadam
- School of Nanoscience and Technology, Shivaji University, Kolhapur, 416004, Maharashtra, India
| | - N J Patil
- School of Nanoscience and Technology, Shivaji University, Kolhapur, 416004, Maharashtra, India
| | - Arif D Sheikh
- School of Nanoscience and Technology, Shivaji University, Kolhapur, 416004, Maharashtra, India
- Centre for Nanoscience and Nanotechnology, Amity University Maharashtra, Somathne, Mumbai, 410206, Maharashtra, India
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Ostovan A, Naghavi SS. Highly Sensitive, Selective and Low-Power Consumption Metalloporphyrin−Based Junctions for Nitrogen Monoxide Detection with Excellent Recovery. Phys Chem Chem Phys 2022; 24:15579-15587. [DOI: 10.1039/d2cp01553f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Research interest in chemical gas detection has been directed towards developing highly selective bio-inspired and eco-friendly materials that allow the integration of sensors in daily human life, such as the...
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Adamu BI, Chen P, Chu W. Role of nanostructuring of sensing materials in performance of electrical gas sensors by combining with extra strategies. NANO EXPRESS 2021. [DOI: 10.1088/2632-959x/ac3636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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