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11 Result(s)

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  1. No Access

    Article

    Synthesis and characterization of solution-processable Cd1–xZnxS nanorods for photocatalytic degradation of tetracycline

    Photocatalytic degradation of broadband antibiotics like tetracycline (TC) under visible-light irradiation is considered as an efficient and cost-effective protocol for eliminating it from the aqueous medium. ...

    Sk Ibrahim, Surajit Ghosh, Tanusri Pal in Journal of Materials Science: Materials in… (2020)

  2. No Access

    Article

    Role of dye-induced corrosion in determining the efficiency of ZnO-based DSSC: the case of ZnO nanoforest in N719

    ZnO-based DSSCs usually show less efficiency than TiO2-based cells despite ZnO being better transporter of electrons. More surprisingly, ZnO nanoforest, which provides seamless electron pathways and large surface...

    Surajit Ghosh, Rohan Sartape… in Journal of Materials Science: Materials in… (2020)

  3. No Access

    Article

    Unusual Ferromagnetic to Paramagnetic Change and Bandgap Shift in ZnS:Cr Nanoparticles

    We report the chemical synthesis of Cr-doped ZnS nanocrystallites without using any cap** ligand/surfactant. An unusual increase in bandgap observed for Cr-doped samples was understood in terms of the Burste...

    Prayas Chandra Patel, Surajit Ghosh, P. C. Srivastava in Journal of Electronic Materials (2019)

  4. No Access

    Article

    Enhanced Photocatalytic Activity and Low Temperature Magnetic/Transport Study of Cu-Doped ZnS-Based Diluted Magnetic Semiconductor Nanoparticles

    Diluted magnetic semiconductors (DMSs), having interesting magnetic/transport properties, are currently being explored in photocatalytic application as well. This report presents photocatalytic and low tempera...

    Prayas Chandra Patel, Surajit Ghosh, Pankaj Kumar Mishra… in Journal of Electronic Materials (2019)

  5. No Access

    Article

    Reduced Graphene Oxide–Cadmium Zinc Sulfide Nanocomposite with Controlled Band Gap for Large-Area Thin-Film Optoelectronic Device Application

    Herein, we report the one pot single step solvothermal synthesis of reduced grapheme oxide–cadmium zinc sulfide (RGO–Cd0.5Zn0.5S) composite. The reduction in graphene oxide (GO), synthesis of Cd0.5Zn0.5S (mention...

    Sk Ibrahim, Koushik Chakraborty, Tanusri Pal… in Journal of Materials Engineering and Perfo… (2018)

  6. No Access

    Article

    Solar Light Responsive Photocatalytic Activity of Reduced Graphene Oxide–Zinc Selenide Nanocomposite

    Solution processable reduced graphene oxide–zinc selenide (RGO–ZnSe) nanocomposite has been successfully synthesized by an easy one-pot single-step solvothermal reaction. The RGO–ZnSe composite was characteriz...

    Koushik Chakraborty, Sk Ibrahim, Poulomi Das… in Journal of Materials Engineering and Perfo… (2018)

  7. No Access

    Article

    Structural and Magnetic Studies of Thermally Treated NiFe2O4 Nanoparticles

    The heat treatment of nanoparticles can have a direct effect on their particle sizes, which, in turn, can influence many of their structural and magnetic properties. Here, we report the effect of sintering tem...

    Surajit Ghosh, Prayas Chandra Patel… in Metallurgical and Materials Transactions A (2017)

  8. No Access

    Article

    Hysteresis in magnetoresistance and formation of spin glass like structure in PVA capped Fe3O4

    Here, we report the temperature dependent hysteresis in the magneto transport in PVA capped Fe3O4 nanoparticles. The synthesis of the nanoparticles of size 10–15 nm were carried out via co-precipitation method fo...

    Surajit Ghosh, Prayas Chandra Patel… in Journal of Materials Science: Materials in… (2017)

  9. No Access

    Article

    Antiferromagnetic coupling in Co-doped ZnS

    In this paper, we report room-temperature ferromagnetism in chemically synthesized Zn1−x Co x S (0 ≤ x ≤ 0.10) diluted magnetic semiconductor nanoparticle...

    Prayas Chandra Patel, Surajit Ghosh, P. C. Srivastava in Journal of Materials Science (2015)

  10. No Access

    Article

    Interface States of Fe3O4/Si Interfacial Structure and Effect of Magnetic Field

    Electronic transport across Fe3O4/Si interfacial structure has been studied with and without the application of magnetic fields along the interfacial plane, up to 8 kG. Current–voltage (I–V) and capacitance–volta...

    Surajit Ghosh, P. C. Srivastava in Journal of Electronic Materials (2014)

  11. No Access

    Article

    One pot synthesis of RGO/PbS nanocomposite and its near infrared photoresponse study

    We report the synthesis and characterization of lead sulfide (PbS) decorated reduced graphene oxide (RGO) nanocomposite materials. The materials were synthesized in a one-step solvothermal reaction where the r...

    Surajit Ghosh, Tanusri Pal, Daeha Joung, Saiful I. Khondaker in Applied Physics A (2012)