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Related papers: Highly responsive UV-photodetectors based on singl…

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Nanorods (NRs) of crystalline ZnO coated with thin layers of TiO$_2$(ZnO@TiO$_2$) were fabricated with the help of the spin coating technique followed by the hydrothermal method. Scanning electron microscopy (SEM) and X-ray diffraction…

Applied Physics · Physics 2023-01-03 Shashi Pandey , Alok Shukla , Anurag Tripathi

The growing demand for real-time ultraviolet (UV) monitoring calls for a simple, rapid, and low-cost strategy to prepare UV photodetectors. We prepare a wearable real-time UV photodetector based on hydrogenated titanium dioxide film…

Plasma Physics · Physics 2024-04-01 Yu Zhang , Haozhe Wang , Jie Cui , Tao He , Gaote Qiu , Yu Xu , Jing Zhang

Grooves were etched in a conductive layer of a conductive, transparent glass, and a nanoporous TiO2 film was deposited on both the conductive and nonconductive area. The width of the grooves was 100 $\mu$m and 150 $\mu$m. A transparent TiO2…

Chemical Physics · Physics 2008-03-13 Jani Kallioinen , M. R. Hassan , G. S. Paraoanu , Jouko Korppi-Tommola

Zinc Oxide (ZnO) semiconductor is ideal candidates for ultra-violet (UV) photodetector due to its promising optoelectronic properties. Photodetectors based on ZnO nanostructures show very high photoconductivity under UV light, but they are…

Materials Science · Physics 2019-12-02 Mehmet Ozdogan , Gokhan Utlu , Cem Celebi

Strong light absorption, coupled with moderate carrier transport properties, makes two-dimensional (2-D) layered transition metal dichalcogenide (TMD) semiconductors promising candidates for low intensity photodetection applications.…

Mesoscale and Nanoscale Physics · Physics 2018-02-15 Sangeeth Kallatt , Smitha Nair , Kausik Majumdar

The conversion efficiency of dye-sensitized solar cells (DSSCs) is optimized by modifying the optical design and improving absorbance within the cell. These objectives are obtained by creating different sized cavities in TiO2 photoanode.…

Chemical Physics · Physics 2015-03-24 Elham Bayatloo , Esmaiel Saievar-Iranizad

Transparent titania coatings have self-cleaning and anti-reflection properties (AR) that are of great importance to minimize soiling effect on photovoltaic modules. In this work, TiO2 nanocolloids prepared by polyol reduction method were…

Heterostructures comprising uncoated ZnO and coated with thin layers of Ga$_2$O$_3$ were produced using spin-coating and subsequent hydrothermal processing. X-ray diffraction examination verifies the structural integrity of the synthesized…

Materials Science · Physics 2025-06-25 Shashi Pandey , Swaroop Ganguly , Alok Shukla , Anurag Tripathi

We fabricate photo-anodes by transferring anodic TiO2 nanotube membranes in tube-top-down configuration on FTO glass, and use them for constructing frontside illuminated dye-sensitized solar cells. Prior to solar cell construction, the…

We investigate the potential of epitaxial (001)p-NiO/(0001)n-ZnO heterostructures grown on (0001)sapphire substrates by pulsed laser deposition technique for ultraviolet photodetector application. Our study reveals that in the self-powered…

Applied Physics · Physics 2024-09-25 Amandeep Kaur , Bhabani Prasad Sahu , Ajoy Biswas , Subhabrata Dhar

Sensing response of individual single-crystal titania nanowires configured as chemiresistors for detecting reducing (CO, H2) and oxidizing (O2) gases is shown to be sensitive to visible light illumination. It is assumed that doping of the…

Mesoscale and Nanoscale Physics · Physics 2015-01-09 Jie Zhang , Evgheni Strelcov , Andrei Kolmakov

In this letter, we propose that the narrowband photodetection can be realized in the skin layer of semiconductors with the spatially separated photo-excited carriers from the nanoscale heterolattice electronic transitions (NanoHLETs). The…

Mesoscale and Nanoscale Physics · Physics 2021-07-21 Zhipeng Wei , Xuan Fang , Peter Y. Yu , Jiaxu Yan , Dengkui Wang , Jilong Tang , Kewei Liu , Hai Xu , Xaiobo Chen , Lei Liu , D. Z. Shen

Films of (FA$_{0.79}$MA$_{0.16}$Cs$_{0.05}$)$_{0.97}$Pb(I$_{0.84}$Br$_{0.16}$)$_{2.97}$ were grown over TiO$_{2}$, SnO$_{2}$, ITO, and NiO. Film conductivity was interrogated by measuring the in-phase and out-of-phase forces acting between…

Applied Physics · Physics 2019-01-18 Ali Moeed Tirmzi , Jeffrey A. Christians , Ryan P. Dwyer , David T. Moore , John A. Marohn

In the present work we investigate various optical properties (such as light absorption and reflectance) of anodic TiO2 nanotubes layers directly transferred as self-standing membranes onto quartz substrates. This allows investigation in a…

Materials Science · Physics 2016-10-18 Gihoon Cha , Patrik Schmuki , Marco Altomare

Future generation technologies demand high efficiency photodetectors to enable sensing and switching devices for ultrafast communication and machine vision. This require direct-band gap materials with high photosensitivity, high detectivity…

Instrumentation and Detectors · Physics 2023-03-28 Rakesh K. Prasad , Koushik Ghosh , P. K. Giri , Dai-Sik Kim , Dilip K. Singh

Dye sensitised nanocrystalline solar cells (Gr\"{a}tzel cells) have achieved solar-to-electrical energy conversion efficiencies of 12% in diffuse daylight. The cell is based on a thin film of dye-sensitised nanocrystalline TiO$_2$…

Condensed Matter · Physics 2015-06-24 A Kambili , A B Walker , F Qiu , A C Fisher , A D Savin , L M Peter

Present study investigates the photoabsorption properties of single crystal rutile TiO2 (110) surfaces after they have been implanted with low fluence of Cobalt ions. The surfaces, after implantation, demonstrate fabrication of…

This work reports a pulsed laser-assisted synthesis, detailed structural characterization, and study of plasmonic properties of three sets of TiN/TiNO thin films with high electron density. The first two sets of TiN films were grown at 600C…

Ruthenium dioxide (RuO$_2$) thin films were synthesized by Chemical Solution Deposition (CSD) on silicon substrates using only water and acetic acid as solvents. The microstructure, phase-purity, electrical and optical properties as well as…

Eutectic NiTiO$_3$-TiO$_2$ samples and their H$_2$ reduced Ni-TiO$_2$ samples, where high aspect ratio TiO$_2$ nanostructures are axially decorated with nodular Ni globules, are thoroughly explored to understand their effect in…

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