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ABSTRACT
The present work deals with the synthesis and characterisation of a hybrid nanocomposite, WO3-doped KIT-6, encompassing mesoporous characteristics, using novel hydrothermal practice with great humidity detection applications. The synthesised mesoporous hybrid nanocomposite having ordered Ia3d arrangement of the framework was investigated using N2 adsorption–desorption plots revealing significant surface area and pore volume. Furthermore, for the examination of structural insights, the sensing material was characterised using ‘powder X-ray diffraction curves (XRD), transmission electron microscopy (TEM) visuals, scanning electron microscopy (SEM) imageries and energy dispersive X-ray analysis (EDXA)’ data, unveiling Ia3d symmetry of mesoporous KIT-6. Furthermore, the humidity sensing data investigation of WO3 loaded in KIT-6 nanocomposite illustrates the relatively inconsiderate hysteresis values, magnificent stability of the sensing material with varying humidity content in the range of 11–98% relative humidity (RH) and a swift response/recovery time of 21 s and 24 s, respectively, depicting instantaneous recorded sensitivity towards varying humidity atmospheric levels. The presented work demonstrates the hydrothermal synthesis of a hybrid nanocomposite having ordered mesoporous cubic Ia3d geometry with considerable liability to consider as a sensing material in the assembly of advanced RH sensor with enhanced humidity sensitive properties.
Acknowledgments
Dr. Surender Duhan recognizes the countable contribution of “Council of scientific and Industrial Research, New Delhi through Project No. 03(1377)/16/EMR-II”.
Disclosure of potential conflicts of interest
No potential conflict of interest was reported by the author(s).
Additional information
Notes on contributors
Shivani Jakhar
Ms. Shivani Jakhar is a research fellow at Deenbandhu Chhotu Ram University of Science and Technology, Murthal (Haryana), India. She started her Ph.D. in 2017 in the field nanotechnology. She has completed her M.Sc. degree in 2015 from Miranda House College, University of Delhi, India. She has also cleared Joint CSIR-UGC Test in 2015 with AIR- 43. She has also published research paper and book chapters in various internationals journals. Since July 2018, she has also been working as an Assistant Professor of Chemistry in Department of Higher Education, Haryana. Her research area is mainly focused on the synthesis of hybrid nanocomposites for various sensing applications.
Surender Duhan
Dr. Surender Duhanis an Assistant Professor, currently active in his research work and teaching skills in Department of Physics, Deenbandhu Chhotu Ram University of Science and Technology, Murthal (Sonepat). Before this, he had been the faculty member in Dept. of Materials Science and Nanotechnology of the same university. He leads a research group dedicated to the ‘Synthesis and Characterization of functional materials, especially porous metal oxides for applications in humidity sensing, gas sensing, photo catalysis, bio active glasses and drug delivery system’. He has successfully completed two major projects with different agencies including CSIR and UGC with excellent research publications (more than 25). He has authored of 10 chapters in International books like Springer, Elsevier and Wiley. He has written 80 research papers in reputed International/National Journals including several independent research papers like Journal of Materials Chemistry A (Impact Factor 11.3, Sensors and Actuator B:Chemical I.F=7.3) and has attended as well as presented 20 research papers in various National and International conferences. He has supervised 7 Ph. D students, 24 M.Tech students, 03 M.Sc. students (major projects) and 11 minor projects of B.Sc students. He has also acted as Principal Investigator of 01 Research Associate. Due to his hardwork, cooperative nature and a good academic-record, he is a renowned personality in his field.
Sonia Nain
Dr. Sonia Naincurrently working as an Assistant Professor at Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, Sonipat (Haryana). Having formerly worked as an Assistant Professor of Chemistry at University Institute of Engineering and Technology, Maharishi Dayanand University, Rohtak and at RN College of Engineering, Technology and Management for Women, Rohtak; she is active in the research fields of Nanomaterials with different potential application and Heterocyclic Compounds with potential biological application. Being a bright student throughout her study, she received her Ph.D. degree from Kurukshetra University, Kurukshetra in 2008. She leads a research group dedicated to the ‘Synthesis and Characterization of materials, especially porous metal oxides and nanocomposites having remarkable applications in the fields of photocatalysis, study of dye degradation, in humidity sensing, gas sensing, biological applications of heterocyclic compounds etc. To add to her research related achievements, she is currently doing a project with UGC. She has written more than 20 research papers in reputed International/National Journals published by renowned publications such as Elsevier, Springer, Wiley etc and has attended as well as presented several research papers in various National and International conferences including being accolade as ‘Best Mentor’ at 20th World Summit of Nanoscience and Technology held in Los Angeles, California. At present, she is currently an active member of the University Academic Council, faculty of science and interface as well as a member of the PG Board of studies in DCR Uni. of Sci. & Tech., Murthal, Sonepat, Haryana (India). She also reviews for renowned journal including the likes of ‘Royal Society of Chemistry’ etc. She has guided 3 Ph.D. students, with three students currently working on their Ph.D. under her guidance. Due to her hardwork, cooperative nature and a good academic-record, she is an appreciated personality in her field.