Search Results - "Naveen Kumar, K"

Optimization of GLAD Angle for E-Beam-Fabricated Tungsten Oxide (WO3) Thin Films Towards Novel Electrochromic Behavior by Gutpa, Jyothi, Shaik, Habibuddin, Naveen Kumar, K., Sattar, Sheik Abdul

“…It is hypothesized that increasing the glancing angle deposition (GLAD) will increase the porosity of WO 3 thin film, thus allowing for better ion diffusion…”
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Investigation of Upconversion Photoluminescence of Yb3+/Er3+:NaLaMgWO6 Noncytotoxic Double-Perovskite Nanophosphors by Kumar, K. Naveen, Vijayalakshmi, L, Choi, Jungwook

“…Bright fluorescent rare-earth-ion-doped upconversion nanomaterials are attractive choices for photonic devices. A remarkable green upconversion emission has…”
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Non-cytotoxic Dy3+ activated La10W22O81 nanophosphors for UV based cool white LEDs and anticancer applications by Naveen Kumar, K., Vijayalakshmi, L., Lim, Jiseok, Choi, Jungwook

“…[Display omitted] •White-light-emitting LWO: Dy3+ nanophosphors synthesized using HASS method.•The luminescence of Dy3+ ions was enhanced by increasing the…”
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Synthesis and characterization of ZnO-MWCNT nanocomposites for 1-butanol sensing application at room temperature by Bhat, Pratima, K, Naveen Kumar S., Nagaraju, P.

“…Zinc oxide and multiwall carbon nanotubes ZnO/(MWCNT) composites were synthesised using wet chemical method and annealed at 400 °C for 1 h. They were studied…”
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Glancing angle sputter deposited tungsten trioxide (WO3) thin films for electrochromic applications by Naveen Kumar, K, Shaik, Habibuddin, Madhavi, V, Imran Jafri, R, Gupta, Jyothi, Nithya, G, Sattar, Sheik Abdul, Ashok Reddy, G V

“…The columnar growth angle-dependent tungsten oxide (WO 3 ) thin films were grown by using the Glancing angle sputter deposition (GLAD) technique with varying…”
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Machine learning-assisted ammonium detection using zinc oxide/multi-walled carbon nanotube composite based impedance sensors by Aliyana, Akshaya Kumar, Naveen Kumar, S. K., Marimuthu, Pradeep, Baburaj, Aiswarya, Adetunji, Michael, Frederick, Terrance, Sekhar, Praveen, Fernandez, Renny Edwin

“…We report a machine learning approach to accurately correlate the impedance variations in zinc oxide/multi walled carbon nanotube nanocomposite…”
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Sputter deposited tungsten oxide thin films and nanopillars: Electrochromic perspective by Naveen Kumar, K., Shaik, Habibuddin, Gupta, Jyothi, Sattar, Sheik Abdul, Jafri, R.Imran, Pawar, Amulya, Madhavi, V., G V, Ashok Reddy, G, Nithya

“…Tungsten oxide (WO3) thin films and nano pillars were grown on FTO and corning substrates by using DC magnetron sputtering. Structural properties, surface…”
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Spectroscopic investigation on Dy3+ ions in borate glasses for photonic applications by Rasool, Shaik Nayab, Naveen Kumar, K., Lingaswamy, A. P., Shabeena, Shaik, Kesavulu, Culala Rajasekharaudayar, Babu, Singarapu

“…The samples were prepared and characterized using X-ray diffraction (XRD), Fourier transform infrared (FTIR), optical absorption, photoluminescence (PL), and…”
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Continuance intentions to use FinTech peer-to-peer payments apps in India by Savitha, Basri, Hawaldar, Iqbal Thonse, Kumar K, Naveen

“…The purpose of the present study is to identify the determinants of continuance intentions to use FinTech peer-to-peer (P2P) payment apps in India. A…”
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Structural, thermal and optical properties of Tb3+, Eu3+ and co-doped (Tb3++Eu3+): PEO+PVP polymer films by Naveen Kumar, K., Sivaiah, K., Buddhudu, S.

“…Tb3+ and Eu3+ each ion individually doped and also both these ions doped in PEO+PVP blended polymer films have successfully been synthesized using solution…”
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Health services avoidance and self-treatment during the covid-19 pandemic: Evidence from rural India by Savitha, Basri, Shelley, Adithya, Kumar K, Naveen

“…OBJECTIVES: This paper is one of the first studies that identifies factors that inhibit access to healthcare services and healthcare-seeking behaviour (HCSB)…”
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Energy transfer based photoluminescence properties of (Sm3++Eu3+):PEO+PVP polymer films for Red luminescent display device applications by Naveen Kumar, K., Vijayalakshmi, L., Ratnakaram, Y.C.

“…[Display omitted] •We confirm the energy transfer from Sm3+ to Eu3+ ions in PEO+PVP polymer film.•Luminescence of Eu3+ ions has significantly improved with…”
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Drone-based apple detection: Finding the depth of apples using YOLOv7 architecture with multi-head attention mechanism by S, Praveen Kumar, K, Naveen Kumar

“…The agriculture drones are flocking and hovering over the crop fields to collect data or perform tasks related to crop management. The rise of artificial…”
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Dazzling red luminescence dynamics of Eu3+ doped lithium borate glasses for photonic applications by Vijayalakshmi, L., Naveen Kumar, K., Hwang, Pyung

“…A series of distinct concentrations of Eu3+ doped lithium borate glassy matrices were prepared by melt quenching technique and their structural and…”
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Comparative analysis to examine the heat transmission enactment of hyperbolic tangent cylindrical flow: An application to PTSC by Minnam Reddy, Vasudeva Reddy, R., Suresh Babu, B. K., Naveen Kumar, Sandeep, N.

“…The current work deals with heat diffusion in hyperbolic tangent cylindrical film movement in the occurrence of Darcy, buoyancy, magnetic field, radiative…”
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Noncytotoxic Dy3+‐activated glass emits cool white light for near ultraviolet‐based white light‐emitting diodes, visible lasers, and biomedical applications by Vijayalakshmi, L., Kumar, K. Naveen, Palle, Kishor, Baek, Jong Dae, Mohammed, Abdallah A. A.

“…Using the melt quenching technique, a lithium zinc borate glass (LZB) system with trivalent dysprosium ions (Dy3+) was synthesized, and the luminescence and…”
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Generation studies on benthic amphipod—Quadrivisio bengalensis, Stebbing (Gammaridae) from the Kochin Estuary, Southwest coast of India by Nair, K. K. C., Jayalakshmy, K. V., Naveen Kumar, K. R.

“…Quadrivisio bengalensis (Stebbing Records of Indian Museum, 1, 159–161, 1907 ), a eurythermal (26.5–32.2 °C) and euryhaline (0.10–26.2 psu) tropical species,…”
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Improved electrical properties of Fe nanofiller impregnated PEO + PVP:Li+ blended polymer electrolytes for lithium battery applications by Naveen Kumar, K., Saijyothi, K., Kang, Misook, Ratnakaram, Y. C., Hari Krishna, K., Jin, Dahee, Lee, Yong Min

“…Solid polymer-blended electrolyte films of polyethylene oxide (PEO) + polyvinyl pyrrolidone (PVP)/lithium perchlorate embedded with iron (Fe) nanofiller in…”
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Structural, optical, and electrochromic properties of rare earth material (CeO2)/transitional metal oxide (WO3) thin film composite structure for electrochromic applications by Ashok Reddy, G V, Kumar, K Naveen, Sattar, Sheik Abdul, Prakash, Nunna Guru, Daruka Prasad, B, Dhananjaya, Merum, Kumar, G Ranjith, Yogananda, H S, Hunagund, Shirajahammad M, Ansar, Sabah

“…In the present work, cerium oxide nanorods were grown on fluorine-doped tin oxide substrates by the hydrothermal process with growth fluid concentrations from…”
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Effect of annealing and oxygen partial pressure on the RF sputtered WO3 thin films for electrochromic applications by Naveen Kumar, K, Shaik, Habibuddin, Pawar, Amulya, Chandrashekar, L.N., Sattar, Sheik Abdul, Nithya, G., Imran Jafri, R., Madhavi, V., Gupta, Jyothi, Ashok Reddy, G.V.

“…•WO3 thin films deposited using RF magnetron sputtering at different oxygen partial pressure.•Annealed at 400 °C.•XRD studies.•Optcal bandgap varying with…”
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