8 publications
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Plasmonic Devices for Electromagnetic Wave ConcentrationBy Jyotsna Chauhan, Ufera Khan
Abstract: The EOT effect is enhanced by the concentration of EM waves. We explored optical transmission through arrays of nanohole pairs and found that the EOT effect through subwavelength nanoholes is enhanced by the confinement of electric field, and that the transmission is substantially higher than predicted. The optical transmission capabilities of arrays of isolated nanohole pairs and bridging nanohole pairs in gold with various geometrical configurations were explored and investigated …
Published in International Journal of Applied Nanotechnology · Vol. 8, Issue 1, 2022 · pp. 23–29 Read article →
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Structural and Optical Study of CdSe Q-dotsBy Jyotsna Chauhan, Varsha R. Mehto, Akanksha Mehto, Priyanshita Thakur
Abstract: In this paper we have report the properties of CdSe Q-dots. Calculations of different parameters for different sizes of CdSe Q-dots are presented. The XRD analysis used to find the composition, crystal structure and crystallite size. Scherrer equation is used to calculate the Nano crystallite size. XRD analysis reveals that the CdSe QD crystallite sizes in the sample are 3.26 nm, 3.72 nm, and 3.20 nm by applying the appropriate …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 8, Issue 1, 2022 · pp. 25–30 Read article →
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Chemical Synthesis & study of Silver Nano ParticlesBy Jyotsna Chauhan, Varsha Rani Mehto, Tanya tiwari
Abstract: Silver nanoparticles easily interact with other particles and increases their antibacterial efficiency furthermore due to their attractive chemical, physical and optical properties has received considerable attention of the researcher. In this paper silver nanoparticles were synthesized by chemical reduction method using silver salt AgNO3 and using reducing agent NaBH4. The borohydride anions were adsorbed onto silver nanoparticles and addition of PVP prevented the aggregation of silver nanoparticles. A yellow colour …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 5, Issue 1, 2019 · pp. 12–17 Read article →
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Synthesis of Silver Nano Particles Using NaBH4 as Reducing AgentBy Jyotsna Chauhan, Varsha Rani Mehto, Dharmendra Kumar
Abstract: Silver nanoparticles (AgNPs) are one of the most vital and captivating nanomaterials between numerous metallic nanoparticles that are involved in various applications. In this paper, we briefly discuss the synthesis of AgNPs properties and application for the nanoparticles. The present work shows that the reduction of silver ions from AgNO3 to Ag occurs due reducing agent. The synthesized silver particles have been characterized by UV – Visible, TEM and XRD …
Published in International Journal of Applied Nanotechnology · Vol. 5, Issue 1, 2019 · pp. 27–33 Read article →
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Synthesis & Characterization of Bimetallic Nanoparticles by Using PVP for Magnetic Storage DeviceBy Jyotsna Chauhan, Varsha R. Mehto, Sumit Tiwari
Abstract: Metal nanoparticles are broadly studied due to their unique chemical and physical properties, which differ from the properties of their respective bulk materials. Bimetallic nanoparticles (BNPs) are formed by the combination of two different metals. Bimetallic nanoparticles have attracted huge attention in fields such as magnetic sensors, catalysts, optical detection and biomedical applications because of their exceptional properties. In this work bimetallic nano particles have been synthesized by using a …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 2, 2018 · pp. 25–30 Read article →
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Synthesis and characterization of bi metallic Nanoparticles by 2-thiotic acid for selective growth of SWCNTBy Jyotsna Chauhan, Sandhya Yadav
Abstract: Nanoparticles (NPs) are tiny materials having size ranges from 1 to 100 nm. They can be classified into different classes based on their properties, shapes or sizes. There are different types of NPs like men made NPs and Natural NPs but we are discussing about monometallic NPs and Bimetallic NPs. We deal with bimetallic NPs. NPs possess unique physical and chemical properties due to their high surface area and nanoscale …
Published in International Journal of Applied Nanotechnology · Vol. 4, Issue 2, 2018 · pp. 48–58 Read article →
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Synthesis and Characterization of CdS Nanoparticles for LED ApplicationBy Jyotsna Chauhan, Varsha R. Mehto, Dharmendra Kumar
Abstract: In the present work we have synthesized the size tuned CdS nanoparticles with chemical routes method. Size of the nanoparticle tuned with varying the addition of an appropriate quantity of capping agent. UV spectroscopy used to study the variation of optical properties with tuning the size of nanoparticle. EMA and TBM techniques are used to analyze size and band gap of the quantum dots.
Published in International Journal of Applied Nanotechnology · Vol. 4, Issue 1, 2018 · pp. 12–18 Read article →
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Synthesis and Characterization of Nickel Doped BFO NanoparticlesBy Jyotsna Chauhan, Poonam Patel
Abstract: In the present, work we have synthesized the pure and Nickle doped bismuth ferrite at different concentration by the chemical route method. Increasing in the doping concentration leads to generation of secondary phase, thus dopant concentration is maintained to 5mol%. XRD was used to confirm the phases transformation of nanocrystalline composite materials along with measurement of the crystallite size. Scanning electronic microscopy (SEM) was used to study the morphological properties …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 1, 2018 · pp. 17–29 Read article →