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السجلات المعروضة 41 -- 50 من 52
Study of π-conjugation effect of organic semiconductors on their optical parameters
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Elsevier B.V.
, 2016 , Article)
Metal free organic semiconductor “7,16-bis(3,3-dimethyl-3H-indol-2-yl)-5,14-dihydrodibenzo [b,i][1,4,8,11] tetraazacyclotetradecine” and metal free with extended π-conjugation organic semiconductor “8,19-bis(3,3-dimethyl ...
Improvement of humidity sensing properties of PVDF-TiO2 nanocomposite films using acetone etching
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Elsevier B.V.
, 2019 , Article)
In this work, we enhanced the humidity sensing properties of the polyvinylidene fluoride titanium dioxide (PVDF-TiO2) nanocomposites based capacitive humidity sensors by modifying the film surface. The surface morphology ...
VOPcPhO:P3HT composite micro-structures with nano-porous surface morphology
(
Elsevier B.V.
, 2017 , Article)
In this paper, composite micro-structures of Vanadyl 2,9,16,23-tetraphenoxy-29H,31H-phthalocyanine) (VOPcPhO) and Poly (3-hexylthiophene-2,5-diyl) (P3HT) complex with nano-porous surface morphology have been developed by ...
Environmentally Powered Smart Sensor Nodes in a Mesh Network Topology for Air Quality Diagnostic
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Hamad bin Khalifa University Press (HBKU Press)
, 2016 , Conference Paper)
Background & Objective: Air pollution is a major problem that has been recognised throughout the world for hundreds of years. In the middle ages, the burning of coal in cities released increasing amounts of smoke and sulphur ...
Hierarchical BaTiO3/NiFe2O4 nanocomposite as an efficacious photoanode for photoelectrochemical water splitting
(
Elsevier
, 2022 , Article)
Photocatalysis of water for the production of oxygen and hydrogen is one of the most important development in the drive for clean energy, and it has received a lot of attention because it is a green and easy step to generate ...
Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material
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Elsevier
, 2022 , Article)
Both p-type and n-type bismuth telluride (Bi2Te3)-based thermoelectric materials demonstrate high thermoelectric efficiency in the low-temperature thermoelectric modules, but their constrained thermal and mechanical stability ...
Electrical equivalent circuit (EEC) based impedance spectroscopy analysis of HTM free perovskite solar cells
(
Elsevier
, 2020 , Article)
Monolithic perovskite solar cells (mPSCs) are the multi-layered organic-inorganic hybrid cells that have been focused due to the affordable cost, ease of fabrication, and noteworthy power conversion efficiency (PCE). In ...
Environmentally-Powered WSN for Urban-Scale Mapping and Assessment of Air Quality in Qatar
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Qatar University Press
, 2020 , Poster)
Environmental monitoring has gained significant importance in outdoor air quality measurement and assessment for fundamental survival as well as ambient assisted living. In real-time outdoor urban scale, instantaneous air ...
Enhancement of optical features and sensitivity of MEH-PPV/VOPcPhO photodetector using CdSe quantum dots
(
Elsevier
, 2016 , Article)
In the present work, spectroscopic features and sensitivity of poly[2-methoxy-5-(2-ethylhexyloxy)-p-phenylene vinylene] (MEH-PPV) and vanadyl 2, 9, 16, 23-tetraphenoxy-29H, 31H-phthalocyanine (VOPcPhO) based photodetector ...
Optimum sintering method and temperature for cold compact Bismuth Telluride pellets for thermoelectric applications
(
Elsevier
, 2021 , Article)
This work intends to investigate the optimum sintering method and temperature that can improve the efficiency of bismuth telluride cold compact pellets, for the thermoelectric applications. Different p-type and n-type ...