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  1. No Access

    Article

    Studies on structural, spectral and morphological properties of co-precipitation derived Co-doped ZnO nanocapsules for NO2 sensing applications

    Pristine and Co-doped ZnO (CZ) nanocapsules (NCs) have been successfully prepared using a simple and cost-effective co-precipitation method. The effect of 1–4 at.% Co-doped ZnO (C1Z–C4Z) samples on physicochemica...

    V. S. Kamble, Y. H. Navale, V. B. Patil… in Journal of Materials Science: Materials in… (2021)

  2. No Access

    Article

    Enhanced NO2 gas sensing performance of Ni-doped ZnO nanostructures

    Pure and 1–4 at.% Ni-doped ZnO (N0Z-N4Z) nanostructures have been successfully prepared by simple and cost-effective co-precipitation method. The prepared nanostructures were studied using XRD, FESEM, HRTEM, EDX,...

    V. S. Kamble, Y. H. Navale, V. B. Patil… in Journal of Materials Science: Materials in… (2021)

  3. No Access

    Article

    Physico-chemical properties of silica aerogels prepared from TMOS/MTMS mixtures

    In the present work, results on the physico-chemical properties of the silica aerogels prepared by sol–gel process using mixtures of TMOS and MTMS as precursor are reported. The wide range of precursor mixture...

    S. V. Ingale, P. B. Wagh, A. K. Tripathi, V. S. Kamble… in Journal of Porous Materials (2011)

  4. No Access

    Article

    Rotational dynamics of propylene inside Na-Y zeolite cages

    We report here the quasielastic neutron scattering (QENS) studies on the dynamics of propylene inside Na-Y zeolite using triple axis spectrometer (TAS) at Dhruva reactor, Trombay. Molecular dynamics (MD) simul...

    V. K. Sharma, Mala N. Rao, Siddharth Gautam, A. K. Tripathi, V. S. Kamble… in Pramana (2008)

  5. No Access

    Article

    Diffusion of propylene adsorbed in Na-Y and Na-ZSM5 zeolites: Neutron scattering and FTIR studies

    Here we report the quasielastic neutron scattering and FTIR studies on the dynamics of propylene adsorbed in Na-Y and Na-ZSM5 zeolites. QENS data show that although the mechanism of translational motion of pro...

    S. Gautam, A. K. Tripathi, V. S. Kamble, S. Mitra, R. Mukhopadhyay in Pramana (2008)

  6. No Access

    Article

    Dynamics of different molecules adsorbed in porous media

    We present in this paper a comparative study on the dynamics of benzene, cyclohexane, and methanol molecules, confined in the pores of MCM-41 molecular sieve and HZSM-5 zeolite. The quasi-elastic neutron scatt...

    S. Mitra, V. S. Kamble, A. K. Tripathi, N. M. Gupta, R. Mukhopadhyay in Pramana (2004)

  7. No Access

    Article

    The Role of Nanosize Particles of Uranium Oxide in the Adsorption/Reaction of Methanol Over U3O8/MCM-48: FTIR Study

    The surface species formed over MCM-48, U3O8 and U3O8/ MCM48 catalysts during the adsorption/reaction of methanol were monitored using FTIR spectroscopy, in order to get an insight into the high catalytic activit...

    Dharmesh Kumar, V.S. Kamble, N.M. Gupta in Catalysis Letters (2003)

  8. No Access

    Article

    FTIR studies on the CO, CO2 and H2 co-adsorption over Ru-RuO x /TiO2 catalyst

    FTIR spectra of a Ru-RuOx/TiO2 catalyst obtained on co-adsorption of CO, CO2 and H2 in the temperature range of 300–500 K were found to be the sum total of corresponding spectra observed during methanation of ind...

    N. M. Gupta, V. S. Kamble, R. M. Iyer, K. Ravindranathan Thampi… in Catalysis Letters (1993)

  9. No Access

    Article

    Hydrogen adstates in substituted Fe-Ti intermetallics; A TDS study

    Hydrogen adstates in FeTi intermetallics have been investigated using thermal desorption spectroscopy. The number of adstates and the amount of adsorbed hydrogen was found to increase considerably with increas...

    N. M. Gupta, V. S. Kamble, S. K. Kulshreshtha, R. M. Iyer in Catalysis Letters (1989)