Browsing by Author "Ayesh, Ahmad"
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Assessment of SnO2 nanoparticles' impact on local Pichoclorum atomus growth performance, cell morphology and metabolites content
Bounnit, Touria; Saadaoui, Imen; Rasheed, Rihab; Al jabri, Hareb; Sayadi, Sami; Ayesh, Ahmad... more authors ... less authors ( Qatar University Press , 2021 , Poster)Oxide nanoparticles are among the most used nanomaterials and have received considerable attention over their potential ecological effects. Increasing investigations report toxicity of certain oxide nanoparticles, however, ... -
High sensitivity H2S gas sensors using lead halide perovskite nanoparticles
Ahmad I., Ayesh; Alghamdi, S.A.; Salah, Belal; Bennett, S.H.; Crean, C.; Sellin, P.J.; Ayesh, Ahmad... more authors ... less authors ( Elsevier , 2022 , Article)We report the development of a high sensitivity H2S gas sensor based on perovskite nanoparticles, which can be synthesized using relatively simple solution-growth methods. The gas sensor was fabricated from the metal halide ... -
PbS/CdS heterojunction quantum dot solar cells
Dagher, Sawsan; Haik, Yousef; Tit, Nacir; Ayesh, Ahmad ( Springer New York LLC , 2016 , Article)The present work investigates the effects of combination of lead sulfide PbS quantum dots and cadmium sulfide CdS nanoparticles (NPs), with n-type and p-type semiconductors, on the photovoltaic performance of heterojunction ... -
Production Of Size-selected Copper Nanoclusters For Petroleum Refinery Applications
Ayesh, Ahmad ( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)Atomic nanoclusters exhibit large surface to volume ratio which enhances their ability to interact with external materials, thus, they can be utilized efficiently for catalysts and gas sensing applications. Copper (Cu) ... -
Single-Walled Carbon-Nanotubes-Based Organic Memory Structures
Fakher, Sundes; Nejm, Razan; Ayesh, Ahmad; Al-Ghaferi, Amal; Zeze, Dagou; Mabrook, Mohammed... more authors ... less authors ( MDPI AG , 2016 , Article)The electrical behaviour of organic memory structures, based on single-walled carbon-nanotubes (SWCNTs), metal–insulator–semiconductor (MIS) and thin film transistor (TFT) structures, using poly(methyl methacrylate) (PMMA) ...