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Chavan PP, Sapner VS, Munde AV, Mali SM, Sathe BR. Synthesis of Metal‐Free Nanoporous Carbon with Few‐Layer Graphene Electrocatalyst for Electrochemical NO
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Oxidation. ChemistrySelect 2021. [DOI: 10.1002/slct.202102625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Parag P. Chavan
- Department of Chemistry Dr. Babasaheb Ambedkar Marathwada University Aurangabad 431004 Maharashtra India
| | - Vijay S. Sapner
- Department of Chemistry Dr. Babasaheb Ambedkar Marathwada University Aurangabad 431004 Maharashtra India
| | - Ajay V. Munde
- Department of Chemistry Dr. Babasaheb Ambedkar Marathwada University Aurangabad 431004 Maharashtra India
| | - Shivsharan M. Mali
- Department of Chemistry Dr. Babasaheb Ambedkar Marathwada University Aurangabad 431004 Maharashtra India
| | - Bhaskar R. Sathe
- Department of Chemistry Dr. Babasaheb Ambedkar Marathwada University Aurangabad 431004 Maharashtra India
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Chavan PP, Sapner VS, Sathe BR. Enhanced Electrochemical NO
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Oxidation Reactions on Biomolecule Functionalised Graphene Oxide. ChemistrySelect 2021. [DOI: 10.1002/slct.202100608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Parag P. Chavan
- Department of Chemistry Dr Babasaheb Ambedkar Marathwada University Aurangabad 431004 Maharashtra India
| | - Vijay S. Sapner
- Department of Chemistry Dr Babasaheb Ambedkar Marathwada University Aurangabad 431004 Maharashtra India
| | - Bhaskar R. Sathe
- Department of Chemistry Dr Babasaheb Ambedkar Marathwada University Aurangabad 431004 Maharashtra India
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Sajid MM, Shad NA, Javed Y, Shafique M, Afzal AM, Khan SB, Amin N, Hassan MA, Khan MUH, Tarabi T, Zhai H. Efficient Photocatalytic and Antimicrobial Behaviour of Zinc Oxide Nanoplates Prepared By Hydrothermal Method. J CLUST SCI 2021. [DOI: 10.1007/s10876-021-02013-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Digraskar RV, Sapner VS, Ghule AV, Sathe BR. CZTS/MoS2-rGO Heterostructures: An efficient and highly stable electrocatalyst for enhanced hydrogen generation reactions. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.114983] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Mulik BB, Munde AV, Dighole RP, Sathe BR. Electrochemical determination of semicarbazide on cobalt oxide nanoparticles: Implication towards environmental monitoring. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2020.10.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Sapner VS, Sathe BR. Metal-free graphene-based nanoelectrodes for the electrochemical determination of ascorbic acid (AA) and p-nitrophenol ( p-NP): implication towards biosensing and environmental monitoring. NEW J CHEM 2021. [DOI: 10.1039/d0nj05806h] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Herein, tyramine functionalized graphene oxide electrocatalyst is used for the electrochemical determination of ascorbic acid and p-nitrophenol in 1 M phosphate buffer solution at pH-7 with long term current/potential stability and reproducibility.
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Affiliation(s)
- Vijay S. Sapner
- Department of Chemistry
- Dr Babasaheb Ambedkar Marathwada University
- Aurangabad
- India
| | - Bhaskar R. Sathe
- Department of Chemistry
- Dr Babasaheb Ambedkar Marathwada University
- Aurangabad
- India
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Alkali metal (Na/ K) doped graphitic carbon nitride (g-C3N4) for highly selective and sensitive electrochemical sensing of nitrite in water and food samples. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114605] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Zhang G, Pan P, Yang Z, Niu H, Liu J, Zhang C, Meng J, Song Y, Bao Q, Wei J, Li G, Liao Z. Rapid synthesis of cypress-like CuO nanomaterials and CuO/MWCNTs composites for ultra-high sensitivity electrochemical sensing of nitrite. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105439] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Bismuth molybdate (α-Bi2Mo3O12) nanoplates via facile hydrothermal and its gas sensing study. J SOLID STATE CHEM 2020. [DOI: 10.1016/j.jssc.2019.121043] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Mali SM, Narwade SS, Navale YH, Tayade SB, Digraskar RV, Patil VB, Kumbhar AS, Sathe BR. Heterostructural CuO-ZnO Nanocomposites: A Highly Selective Chemical and Electrochemical NO 2 Sensor. ACS OMEGA 2019; 4:20129-20141. [PMID: 31815213 PMCID: PMC6893959 DOI: 10.1021/acsomega.9b01382] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 10/02/2019] [Indexed: 05/24/2023]
Abstract
A simple one-step chemical method is employed for the successful synthesis of CuO(50%)-ZnO(50%) nanocomposites (NCs) and investigation of their gas sensing properties. The X-ray diffraction studies revealed that these CuO-ZnO NCs display a hexagonal wurtzite-type crystal structure. The average width of 50-100 nm and length of 200-600 nm of the NCs were confirmed by transmission electron microscopic images, and the 1:1 proportion of Cu and Zn composition was confirmed by energy-dispersive spectra, i.e., CuO(50%)-ZnO(50%) NC studies. The CuO(50%)-ZnO(50%) NCs exhibit superior gas sensing performance with outstanding selectivity toward NO2 gas at a working temperature of 200 °C. Moreover, these NCs were used for the indirect evaluation of NO2 via electrochemical detection of NO2 - (as NO2 converts into NO2 - once it reacts with moisture, resulting into acid rain, i.e., indirect evaluation of NO2). As compared with other known modified electrodes, CuO(50%)-ZnO(50%) NCs show an apparent oxidation of NO2 - with a larger peak current for a wider linear range of nitrite concentration from 20 to 100 mM. We thus demonstrate that the as-synthesized CuO(50%)-ZnO(50%) NCs act as a promising low-cost NO2 sensor and further confirm their potential toward tunable gas sensors (electrochemical and solid state) (Scheme 1).
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Affiliation(s)
- Shivsharan M. Mali
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431004, MH, India
| | - Shankar S. Narwade
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431004, MH, India
| | - Yuvraj H. Navale
- Functional
Materials Research Laboratory, School of Physical Sciences, Solapur University, Solapur 413255, MH, India
| | - Sakharam B. Tayade
- Department of Chemistry, Savitribai Phule Pune University, Pune 411007, MH, India
| | - Renuka V. Digraskar
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431004, MH, India
| | - Vikas B. Patil
- Functional
Materials Research Laboratory, School of Physical Sciences, Solapur University, Solapur 413255, MH, India
| | - Avinash S. Kumbhar
- Department of Chemistry, Savitribai Phule Pune University, Pune 411007, MH, India
| | - Bhaskar R. Sathe
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431004, MH, India
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Aqeel T, Galstyan V, Comini E. Mesoporous polycrystalline SnO 2 framework synthesized by direct soft templating method for highly selective detection of NO 2. NANOTECHNOLOGY 2019; 31:105502. [PMID: 31751951 DOI: 10.1088/1361-6528/ab5a1e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
SnO2 is one of the most studied oxide materials for gas sensing applications. Investigations have shown that SnO2 is sensitive to a wide range of gaseous compounds. However, its lack of selectivity remains an issue. Here, a mesoporous polycrystalline SnO2 framework was successfully synthesized using a soft templating method at ambient temperature and pressure. The prepared materials were characterized using x-ray diffraction analysis, high-resolution transmission electron microscopy, energy-dispersive x-ray spectroscopy, N2 sorption tests, and x-ray photoelectron spectroscopy. Gas sensing analyses were performed on two batches of the material calcined at 400 °C and 500 °C. The resultant materials were highly conductive at relatively low operating temperatures. The thermal annealing and operating temperatures of the materials had significant effects on their gas sensing response and selectivity. The structure calcined at 400 °C showed a very selective response of 407 to 1 ppm NO2. The superior sensing performance of the obtained mesoporous SnO2 framework is attributed to its small crystal size of 4-5 nm-less than double the thickness of the critical electron depletion layer-as well as its high surface area of 89 m2 g-1 and high pore volume of 0.12 cm3 g-1.
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Affiliation(s)
- Tariq Aqeel
- Science Department, College of Basic Education, Public Authority for Applied Education and Training (PAAET) Kuwait, PO Box 23167, 13092 Safat, Kuwait
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Ibrahim MH, Xue Z, Abdu HI, Shinger MI, Idris AM, Edris MM, Shan D, Lu X. Sensitive and selective colorimetric nitrite ion assay using silver nanoparticles easily synthesized and stabilized by AHNDMS and functionalized with PABA. NANOSCALE ADVANCES 2019; 1:1207-1214. [PMID: 36133190 PMCID: PMC9473191 DOI: 10.1039/c8na00146d] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Accepted: 12/09/2018] [Indexed: 05/05/2023]
Abstract
Nitrite ions (NO2 -), as one of the important inorganic anions, exhibit considerable effects towards the environment and human health. Moreover, over intake of this anion may cause dangerous diseases. Herein, we successfully fabricated silver nanoparticles (AgNPs) using 4-amino-5-hydroxynaphthalene-2, 7-disulphonic acid monosodium salt (AHNDMS) and functionalized them with p-aminobenzoic acid (PABA), and used the functionalised AgNPs as a sensitive and selective colorimetric sensor for nitrite ions. The structure of the as-prepared pure AgNPs was experimentally characterized by different characterizations methods, namely, UV-vis, FT-IR, CV, DPVs, SEM, TEM, and XRD. Additionally, the nitrite ion sensitively and selectively changes the brownish yellow color of the dispersed AgNPs to pinkish red, indicating aggregation of AgNPs, with a detection limit of 0.016 ppm (0.348 μM) and 0.0069 ppm (0.149 μM) by the naked-eye and by UV-vis spectroscopy, respectively. The color change suggested that the aggregation of AgNPs was induced by nitrite-selective diazo-coupling. UV-vis spectra show the disappearance of the absorbance at 474 nm and appearance of a new peak at 532 nm, presumably due to the conversion of AgNPs to silver ions. Moreover, the studies of interference in the proposed sensor confirm its selectivity in the presence of anions as well as cations. Furthermore, linearity was observed between the absorption and the concentration of nitrite ions. More importantly, the proposed sensor was practicably applied for the determination of nitrite in different water samples, such as distilled water, river water, and tap water.
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Affiliation(s)
- Mohammed Hassan Ibrahim
- Key Laboratory of Bioelectrochemistry & Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University Lanzhou 730070 P. R. China
- Department of Chemical Engineering, Faculty of Engineering and Technical Studies, University of Kordofan El-Obeid Sudan
| | - Zhonghua Xue
- Key Laboratory of Bioelectrochemistry & Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University Lanzhou 730070 P. R. China
| | - Hassan Idris Abdu
- Key Laboratory of Bioelectrochemistry & Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University Lanzhou 730070 P. R. China
| | | | - Ahmed Mahmoud Idris
- Key Laboratory of Bioelectrochemistry & Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University Lanzhou 730070 P. R. China
| | - Murtada Mohamed Edris
- Key Laboratory of Bioelectrochemistry & Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University Lanzhou 730070 P. R. China
| | - Duoliang Shan
- Key Laboratory of Bioelectrochemistry & Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University Lanzhou 730070 P. R. China
| | - Xiaoquan Lu
- Key Laboratory of Bioelectrochemistry & Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University Lanzhou 730070 P. R. China
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Theiss S, Voggel M, Schlötter M, Sutter S, Stöckl MT, Polarz S. Tolerance in superstructures formed from high-quality colloidal ZnO nanoparticles with hexagonal cross-section. CrystEngComm 2019. [DOI: 10.1039/c9ce00811j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The order of periodic arrays of hexagonal ZnO nanoplates has been investigated in terms of polydispersity. A continuous transition from a crystalline to a glassy state has been found.
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Affiliation(s)
- Sebastian Theiss
- University of Konstanz
- Department of Chemistry
- Functional Inorganic Materials Group
- D-78457 Konstanz
- Germany
| | - Michael Voggel
- University of Konstanz
- Department of Chemistry
- Functional Inorganic Materials Group
- D-78457 Konstanz
- Germany
| | - Moritz Schlötter
- University of Konstanz
- Department of Chemistry
- Functional Inorganic Materials Group
- D-78457 Konstanz
- Germany
| | - Sebastian Sutter
- University of Konstanz
- Department of Chemistry
- Functional Inorganic Materials Group
- D-78457 Konstanz
- Germany
| | - Martin Thomas Stöckl
- University of Konstanz
- Department of Chemistry
- Functional Inorganic Materials Group
- D-78457 Konstanz
- Germany
| | - Sebastian Polarz
- University of Konstanz
- Department of Chemistry
- Functional Inorganic Materials Group
- D-78457 Konstanz
- Germany
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Mali S, Narwade SS, Navale YH, Patil VB, Sathe BR. Facile synthesis of highly porous CuO nanoplates (NPs) for ultrasensitive and highly selective nitrogen dioxide/nitrite sensing. RSC Adv 2019; 9:5742-5747. [PMID: 35515911 PMCID: PMC9060789 DOI: 10.1039/c8ra09299k] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Accepted: 01/30/2019] [Indexed: 11/21/2022] Open
Abstract
Copper oxide (CuO) nanoplates (NPs of ∼100 nm width) were successfully synthesized via a chemical method (emulsion method). Superior catalytic activities towards both chemical and electrochemical sensing of nitrite were achieved. Copper oxide (CuO) nanoplates (NPs of ∼100 nm width) have been successfully synthesized by using a chemical method (emulsion method). Superior catalytic activities towards both chemical and electrochemical sensing of nitrite were achieved.![]()
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Affiliation(s)
- Shivsharan M. Mali
- Department of Chemistry
- Dr Babasaheb Ambedkar Marathwada University
- Aurangabad
- India
| | - Shankar S. Narwade
- Department of Chemistry
- Dr Babasaheb Ambedkar Marathwada University
- Aurangabad
- India
| | - Yuraj H. Navale
- Functional Materials Research Laboratory
- School of Physical Sciences
- Solapur University
- Solapur
- India
| | - Vikas. B. Patil
- Functional Materials Research Laboratory
- School of Physical Sciences
- Solapur University
- Solapur
- India
| | - Bhaskar R. Sathe
- Department of Chemistry
- Dr Babasaheb Ambedkar Marathwada University
- Aurangabad
- India
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Kulkarni AK, Panmand RP, Sethi YA, Kadam SR, Patil DR, Ghule AV, Kale BB. 3D Hierarchical heterostructures of Bi2W1−xMoxO6 with enhanced oxygen evolution reaction from water under natural sunlight. NEW J CHEM 2018. [DOI: 10.1039/c8nj03304h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Self-assembled 3D hierarchical Bi2W1−xMoxO6 heterostructures with varying x (x = 0, 0.2, 0.4, 0.6, 0.8 or 1.0) with different morphologies were synthesised via a facile one-pot solvothermal method and their photocatalytic activity towards the oxygen evolution reaction (OER) from water under natural sunlight was tested.
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Affiliation(s)
- Aniruddha K. Kulkarni
- Nanocrystalline Laboratory
- Centre for Material for Electronic Technology (CMET)
- Ministry of Information Technology
- Govt. of India
- Pune 411007
| | - Rajendra P. Panmand
- Nanocrystalline Laboratory
- Centre for Material for Electronic Technology (CMET)
- Ministry of Information Technology
- Govt. of India
- Pune 411007
| | - Yogesh A. Sethi
- Nanocrystalline Laboratory
- Centre for Material for Electronic Technology (CMET)
- Ministry of Information Technology
- Govt. of India
- Pune 411007
| | - Sunil R. Kadam
- Department of Physics
- Savitribai Phule Pune University
- Pune 411007
- India
| | - Deepak R. Patil
- Nanocrystalline Laboratory
- Centre for Material for Electronic Technology (CMET)
- Ministry of Information Technology
- Govt. of India
- Pune 411007
| | - Anil V. Ghule
- Department of Chemistry
- Shivaji University
- Kolhapur 416004
- India
| | - Bharat B. Kale
- Nanocrystalline Laboratory
- Centre for Material for Electronic Technology (CMET)
- Ministry of Information Technology
- Govt. of India
- Pune 411007
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