Article
Chemistry, Physical
Jingxuan Wu, Song Zou, Bo Wang, Changhao Feng, Tatsuo Yoshinobu
Summary: In this study, acetone sensitive W-doped ZnFe2O4 composite nanofibers were successfully prepared through a simple single-spinneret electrospinning method and calcination treatment. The properties and performance of the nanofibers were thoroughly analyzed, demonstrating enhanced sensitivity and selectivity to acetone vapor. The sensors based on 6 mol% W-doped ZnFe2O4 composite nanofibers showed a high response to low concentrations of acetone vapor.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Analytical
Digambar Nadargi, Ahmad Umar, Jyoti Nadargi, Jayvant Patil, Imtiaz Mulla, Sheikh Akbar, Sharad Suryavanshi
Summary: The spinel MgFe2O4 ferrite was synthesized using a glycine-assisted auto-combustion route and showed excellent gas-sensing ability, making it suitable for detecting reducing gases.
Article
Materials Science, Multidisciplinary
Irina S. Kondrashkova, Kirill D. Martinson, Vadim I. Popkov
Summary: In this study, nanopowders of Ho-doped zinc ferrite were successfully produced using the glycine-nitrate combustion method and calcination in air. Various analytical techniques were employed to examine the resulting samples, revealing that an excess of fuel during the combustion process leads to amorphous foamy products that crystallize after being held at a temperature of 550 degrees C. The incorporation of holmium into the ferrite spinel structure occurs at a calcination temperature of 700 degrees C. The magnetic properties of the nanopowders are systematically altered by changes in the degree of inversion and the crystallite size of zinc ferrite.
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
(2023)
Article
Materials Science, Ceramics
Isyraf Aznam, Joelle C. W. Mah, Andanastuti Muchtar, Nurul Akidah Baharuddin, Mahendra R. Somalu, Rahimi L. Muhamud
Summary: The catalytic properties of Ni-Cu-Mn spinels as methane reforming catalysts for hydrocarbon-fueled solid oxide fuel cell (SOFC) applications depend strongly on their reducibility, which is influenced by structural properties and fabrication processes. In this study, it was found that a minimum mixing time of 24 h during the glycine-nitrate process was sufficient to produce Ni-Cu-Mn spinel catalysts with desired structural properties and reducibility for SOFC applications. This was evidenced by phase analysis showing the presence of specific spinel structures and morphological analysis revealing homogenous particle size distribution and complete nitrate binding after 24 h of mixing.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Multidisciplinary
Fahma Riyanti, Widia Purwaningrum, Nova Yuliasari, Sasmita Putri, Nabila Aprianti, Poedji Loekitowati Hariani
Summary: The synthesis of ZnFe2O4 nanoparticles using solution combustion method with different fuels resulted in variations in physicochemical properties, crystal sizes, stretching vibrations, and morphology. The choice of fuel type impacted the saturation magnetization and surface area of the synthesized ZnFe2O4.
TURKISH JOURNAL OF CHEMISTRY
(2022)
Article
Engineering, Environmental
Yongming Ju, Runlong Liu, Guixiang Ji, Lianghu Su, Junqin Qiao, Weilong Xing, Deling Fan, Keqiang Zhao, Dionysios D. Dionysiou
Summary: In this study, a single-mode microwave combustion process was developed to synthesize nanomaterials with improved physicochemical properties. The parameters of the process were optimized to achieve better results. The magnetic separation performance and visible light-driven catalytic mechanism of the synthesized nanomaterials were studied, and enhanced visible light-responsive photoactivity was observed for TiO2. This study provides new insights into the synthesis and application of nanomaterials.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Optics
G. Balaji, S. Rathinavel, S. Vadivel
Summary: Ultra-small NiCo2O4 nanoparticles (20 nm) were successfully synthesized by a facile hydrothermal technique, showing a cubic structure and well-crystalline spherical uniformity. The NiCo2O4 nanoparticles exhibited a BET surface area of approximately 88.5 m²/g and a pore size distribution of about 20 nm. In gas sensing applications, the NiCo2O4 sensor displayed exceptional response to acetone gas, with high sensitivity, rapid response, and recovery time.
Article
Nanoscience & Nanotechnology
Heyu Zhao, Haoyong Yin, Ling Wang, Yifan Zheng, Shumin Zhao, Shengji Wu
Summary: Pd/NiCo2O4 NTs prepared by a template-free method showed highly improved electrocatalytic activity for glucose oxidation, demonstrating superior sensing performance and selectivity for glucose detection in serum samples.
Article
Chemistry, Physical
Rutuparna Samal, Mahima Bhat, Samadhan Kapse, Ranjit Thapa, Dattatray J. Late, Chandra Sekhar Rout
Summary: The study focuses on the synthesis of transition metal selenides MnSe2 and its hybrid with multiwalled carbon nanotubes (MWCNTs) for superior electrochemical performance in supercapacitors, demonstrating enhanced energy storage efficiency and long-term stability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Engineering, Electrical & Electronic
Ajay Kumar, Dnyandeo Pawar, Dattatray J. Late, Rajesh Kanawade
Summary: This study proposes and investigates a Fabry-Perot Interferometer-based polyvinyl alcohol-coated sensor platform for non-invasive detection of acetone vapor at room temperature, for the prospective study of diabetes diagnosis. The sensor is simple, miniaturized, flexible, cost-effective, and highly sensitive for low acetone vapor concentration detection.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2022)
Article
Materials Science, Ceramics
Pavan M. Kodam, Pandurang A. Ghadage, Digambar Y. Nadargi, K. P. Shinde, Imtiaz S. Mulla, J. S. Park, Sharad S. Suryavanshi
Summary: This study reports the synergistic effect of Ruthenium (Ru) and Palladium (Pd) noble metals on the enhancement of gas sensing properties of pure tungsten oxide (WO3). The results show improved gas response qualities and a dramatic enhancement in sensitivity to acetone. This research has potential applications in gas sensing and could be helpful for diagnostic purposes and acetone detection.
CERAMICS INTERNATIONAL
(2022)
Article
Engineering, Electrical & Electronic
N. D. Chaudhari, D. Y. Nadargi, S. M. Kabbur, R. C. Kambale, A. Das, S. S. Suryavanshi
Summary: This article reports the structural, morphological, and elastic properties of NiXZn1-XFe2O4 ferrimagnetic oxides prepared using oxalate chemistry. The results show that the lattice constant decreases and the elastic moduli remains constant with increasing Ni2+ content.
JOURNAL OF ELECTRONIC MATERIALS
(2022)
Article
Chemistry, Applied
Ambar Ghadage, Pavan Kodam, Digambar Nadargi, K. P. Shinde, Imtiaz Mulla, J. S. Park, Sharad Suryavanshi
Summary: We report the development of highly optimized NiCo2O4 microflowers for supercapacitor applications. By carefully tuning various parameters, such as reaction temperature, reaction time, sintering temperature, and electrolyte concentration, we obtained an electrode material with high specific capacitance, energy density, and power density. The optimized sample displayed excellent electrochemical performance and retained 97.61% of its specific capacitance after 1000 cycles. The well-optimized NiCo2O4 microflowers show great promise for future industrial applications.
JOURNAL OF POROUS MATERIALS
(2022)
Article
Materials Science, Ceramics
Pandurang Ghadage, Pavan Kodam, Digambar Nadargi, Suraj Patil, Mohaseen Tamboli, Nagesh Bhandari, Imtiaz Mulla, Chinho Park, Sharad Suryavanshi
Summary: In this study, palladium loaded bismuth ferrite (BFO) was developed for its bidirectional application as an acetone gas sensor and a photocatalytic dye degradation agent for malachite green (MG). The Pd loading on BFO enhanced the catalytic redox reactions, resulting in faster adsorption and desorption of oxygen molecules. By tuning the surface area and catalytic behavior, the gas response properties of BFO were significantly improved, and the 1 wt% Pd loaded BFO exhibited the highest response and efficiency in both applications.
CERAMICS INTERNATIONAL
(2023)
Article
Chemistry, Analytical
Digambar Nadargi, Ahmad Umar, Jyoti Nadargi, Jayvant Patil, Imtiaz Mulla, Sheikh Akbar, Sharad Suryavanshi
Summary: The spinel MgFe2O4 ferrite was synthesized using a glycine-assisted auto-combustion route and showed excellent gas-sensing ability, making it suitable for detecting reducing gases.
Editorial Material
Chemistry, Physical
Dattatray J. Late, Steffen Duhm
ELECTRONIC STRUCTURE
(2022)
Article
Chemistry, Physical
Monidipa Pramanik, Mukta V. V. Limaye, Mahendra S. Pawar, Dattatray J. Late, Shashi B. Singh
Summary: In this study, vanadium carbide (V(2C)Tx) MXene was successfully synthesized and treated with an ammonia solution under different pressures using a hydrothermal process. The results show that the morphology of V(2)CTx MXene changed from uneven multilayered micrometre-size sheets to uniform few-layered nanometer-size sheets as the pressure increased. The optical and electronic properties were influenced by nitrogen-related defects, quantum confinement, and induced lattice strain due to the post-ammonia treatment.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Engineering, Electrical & Electronic
Prashant H. Shinde, Yogita Padwal, Sanjeewani R. Bansode, Ratna Chauhan, Shrikant Charhate, Rishi B. Sharma, Hassan Fouad, Chiaki Terashima, Suresh W. Gosavi, Dattatray J. Late
Summary: The zinc sulphide-reduced graphene oxide nanocomposite has been synthesized and investigated for its potential use in photocatalysis for dye degradation. The combination of ZnS and rGO results in enhanced photocatalytic properties, with rGO acting as a support for ZnS nanoparticles and preventing their agglomeration.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2023)
Article
Engineering, Electrical & Electronic
Prashant H. Shinde, Yogita Padwal, Yogesh Waghadkar, Hassan Fouad, Chiaki Terashima, Ratna Chauhan, Shrikant Charhate, Muthupandian Ashokkumar, Suresh W. Gosavi, Dattatray J. Late
Summary: We have successfully synthesized ZnS-MoS2 nano-heterostructure via hydrothermal method and studied its photocatalytic activity under sunlight. The nano-heterostructure exhibited efficient charge separation and extended light absorption, leading to the generation of electron-hole pairs for the degradation of MB dye molecules. The optimized ZnS-MoS2 sample synthesized at 48 h showed excellent performance with 97% degradation in 30 min, attributed to enhanced crystallinity, good charge carrier ability, optimal heterojunction formation, and well-defined morphology with reduced defects.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2023)
Article
Engineering, Electrical & Electronic
Digambar Y. Nadargi, Jyoti D. Nadargi, Mohaseen S. Tamboli, Asiya M. Tamboli, Imitaz S. Mulla, Ahmad Umar, Nguyen Tam Nguyen Truong, Sharad S. Suryavanshi
Summary: A green synthesis approach using medicinal plant extraction is used to create GO-loaded Ag/ZnO nanocomposites. The material shows a hexagonal wurtzite structure of ZnO and a face-centered-cubic phase of Ag and AgCl. The efficiency of methyl orange degradation is improved by doping Ag and further improved by loading GO onto the catalyst.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2023)
Article
Chemistry, Multidisciplinary
Babasaheb Ingale, Digambar Nadargi, Jyoti Nadargi, Rangrao Suryawanshi, Hamid Shaikh, Mohammad Asif Alam, Mohaseen S. S. Tamboli, Sharad S. S. Suryavanshi
Summary: We investigated the effect of cobalt substitution on the structural and electromagnetic properties of citrate gel-assisted autocombusted spinel-type NiCuZn ferrite. XRD analysis confirmed the single-phase cubic spinel structure. The addition of cobalt led to the loss of the porous gel structure. The resistivity of the ferrite decreased with cobalt substitution. The dielectric properties showed a consistent decrease with increasing frequency. VSM analysis revealed the magnetic hysteresis of the ferrite system. The NiCuZn ferrite series displayed enhanced dielectric properties, suggesting potential applications in microwave absorption.
Article
Chemistry, Multidisciplinary
Chiteri Gautam, Devyani Srivastava, Gabriele Kociok-Kohn, Suresh W. Gosavi, Vinod K. Sharma, Ratna Chauhan, Dattatray J. Late, Abhinav Kumar, Mohd. Muddassir
Summary: Two Schiff base complexes, [CuL2] (Cu-Sal) and [CoL3] (Co-Sal), were synthesized and characterized. Crystal structure analysis showed a square planar geometry around Cu(ii) and various intermolecular non-covalent interactions in Cu-Sal. Both complexes were used as sensitizers in TiO2 based dye sensitized solar cells (DSSCs), and Co-Sal exhibited better photovoltaic performance than Cu-Sal due to improved light absorption and dye loading.
Article
Chemistry, Multidisciplinary
Mahendra S. Pawar, Sunil R. Kadam, Bharat B. Kale, Dattatray J. Late
Summary: The CdMoS4 hierarchical nanostructures showed better response to UV light in terms of photoresponsivity, response time (around 72 s) and recovery time (around 94 s) compared to the MoS2 device, indicating the practicality of CdMoS4 in enhancing device performance.
NANOSCALE ADVANCES
(2021)
