Browsing by Author "Shakoor, R. A."
Now showing items 1-20 of 106
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A BHJ-thin-film/liquid-electrolyte based electrochemical-sensor for visible light-detection
Shikoh A.S.; Ahmad Z.; Touati F.; Shakoor R.A.; Bhadra J.; Al-Thani N.J.... more authors ... less authors ( Royal Society of Chemistry , 2017 , Article)The current study presents a new type of inexpensive and very sensitive bulk heterojunction (BHJ) organic photo-sensor (OPS) configuration that incorporates a layer of liquid electrolyte into the conventional BHJ photodiode ... -
A comparative study of structural and mechanical properties of Al-Cu composites prepared by vacuum and microwave sintering techniques
Matli P.R.; Fareeha U.; Shakoor R.A.; Mohamed A.M.A. ( Elsevier Editora Ltda , 2018 , Article)In this paper, the aluminum metal matrix composite reinforced with copper particulates (3, 6 and 9 vol.%) were fabricated by high energy ball milling, followed by vacuum sintering (VS) and microwave sintering techniques ... -
A comparative study on the performance of hybrid solar cells containing ZnSTe QDs in hole transporting layer and photoactive layer
Najeeb, Mansoor Ani; Abdullah, Shahino Mah; Aziz, Fakhra; Ahmad, Zubair; Shakoor, R. A.; Mohamed, A. M. A.; Khalil, Uzma; Swelm, Wageh; Al-Ghamdi, Ahmed A.; Sulaiman, Khaulah... more authors ... less authors ( Springer Netherlands , 2016 , Article)In this paper, ZnSTe quantum dots-based hybrid solar cells (HSC) with two different device architectures have been investigated. The improved performance of the poly(3-hexylthiophene) (P3HT) and [6,6]phenyl C71 butyric ... -
A novel classification of prostate specific antigen (PSA) biosensors based on transducing elements
Najeeb, Mansoor Ani; Ahmad, Zubair; Shakoor, R.A.; Mohamed, A.M.A; Kahramanc, Ramazan ( Elsevier B.V. , 2017 , Article Review)During the last few decades, there has been a tremendous rise in the number of research studies dedicated towards the development of diagnostic tools based on bio-sensing technology for the early detection of various ... -
A short analysis on the morphological characterization of colloidal quantum dots for photovoltaic applications
Najeeb, Ani Mansoor; Ahmad, Zubair; Balamurugan, Sarkarainadar; Sulaiman, Khaulah; Shakoor, R.A. ( Bentham Science Publishers , 2020 , Article Review)Due to its various advantages, colloidal quantum dots (CQDs) carry a prodigious deal of interest in low-cost photovoltaics. The possibility of tailored band gaps via quantum confinement effect facilitates photovoltaic ... -
Aluminum nitride (AlN) reinforced electrodeposited Ni-B nanocomposite coatings
Radwan, A. Bahgat; Shakoor, R.A. ( Elsevier Ltd , 2020 , Article)Ni–B nanocomposite coatings containing various concentration aluminum nitride (AlN) nanoparticles (NPs) were developed through a scalable and conventional electrodeposition process. The influence of addition of AlN ... -
Calcium carbonate particles loaded with triethanolamine and polyethylenimine for enhanced corrosion protection of epoxy coated steel
Raj, Roma; Morozov, Y.; Calado, L.M.; Taryba, M.G.; Kahraman, R.; Shakoor, R.A.; Montemor, M.F.... more authors ... less authors ( Elsevier Ltd , 2020 , Article)Calcium carbonate particles were synthesized and loaded with a mixture of two corrosion inhibitors, triethanolamine (TEA) and polyethylenimine (PEI). These particles can serve as pH-sensitive additives in epoxy coatings ... -
Cellulose microfibers (CMFs) as a smart carrier for autonomous self-healing in epoxy coatings
Nawaz, Muddasir; Habib, Sehrish; Khan, Adnan; Shakoor, R. A.; Kahraman, Ramazan ( Royal Society of Chemistry , 2020 , Article)Synthesized cellulose microfibers (CMFs) were used as a smart carrier for the loading of inhibitor-dodecylamine (DOC) and inhibitor/self-healing polyethyleneimine (PEI). The loaded CMFs were thoroughly dispersed into the ... -
Cerium oxide loaded with Gum Arabic as environmentally friendly anti-corrosion additive for protection of coated steel
Nawaz, Muddasir; Shakoor, R.A.; Kahraman, Ramazan; Montemor, M.F. ( Elsevier Ltd , 2021 , Article)The depreciation of assets and safety threats because of corrosion has forced to develop eco-friendly and smarter corrosion protection strategies. In this study, natural Gum Arabic (GA) was used as a corrosion inhibitor ... -
Compositional engineering of the pi-conjugated small molecular VOPcPhO : Alq3 complex to boost humidity sensing
Fatima, Noshin; Aziz, Fakhra; Ahmad, Zubair; Najeeb, M. A.; Azmeer, M. I.; Karimov, Kh. S.; Ahmed, M. M.; Basheer, S.; Shakoor, R. A.; Sulaiman, K.... more authors ... less authors ( Royal Society of Chemistry , 2017 , Article)This study exhibits a solution-processed organic semiconductor humidity sensor based on vanadyl 2,9,16,23-tetraphenoxy-29H,31H-phthalocyanine (VOPcPhO), tris-(8-hydroxy-quinoline)aluminum (Alq3), and their composites. ... -
Corrosion and heat treatment study of electroless nip-ti nanocomposite coatings deposited on hsla steel
Shahzad, Khuram; Fayyad, Eman M.; Nawaz, Muddasir; Fayyaz, Osama; Shakoor, R. A.; Hassan, Mohammad K.; Adeel Umer, Malik; Baig, M. N.; Raza, A.; Abdullah, Aboubakr M.... more authors ... less authors ( MDPI AG , 2020 , Article)Corrosion and heat treatment studies are essential to predict the performance and sustainability of the coatings in harsh environments, such as the oil and gas industries. In this study, nickel phosphorus (NiP)–titanium ... -
Corrosion behavior of API X-80 steel in hydrogen sulfide environment at different temperatures
Paul, Okonkwo; Shakoor, R. A.; Soliman, Ahmed; Mohammed, A. M.A. ( National Assoc. of Corrosion Engineers International , 2016 , Conference Paper)The electrochemical behavior of API X-80 steel materials in 3.5% wt. of NaCI solution containing different concentration of H2S at different temperatures was studied. Potendiodynamic polarization, electrochemical impedance ... -
Corrosion behavior of electrodeposited Ni-B coatings modified with SiO2 particles
Shakoor, R. A.; Waware, Umesh S.; Kahraman, Ramazan; Popelka, Anton; Yusuf, Moinuddin M. ( Electrochemical Science Group , 2017 , Article)The need for coatings with improved operation is vital to insure safety and high output of industrial plants. Electrodeposition is a valuable surface modification technology that can be used to develop various kinds of ... -
Corrosion inhibition performance of polyolefin smart self-healing composite coatings modified with ZnO@β-Cyclodextrin hybrid particles
Habib, Sehrish; Qureshi, Ahmadyar; Shakoor, R. A.; Kahraman, Ramazan; Al-Qahtani, Noora Hamad; Ahmed, Elsadig Mahdi... more authors ... less authors ( Elsevier B.V. , 2022 , Article)Corrosion is a global problem that results in substantial economic loss and is life-threatening as well. Currently, the utilization of self-healing coatings involving smart carriers encapsulated with the appropriate ... -
Designing and performance evaluation of polyelectrolyte multilayered composite smart coatings
Khan A.; Sliem M.H.; Arif A.; Salih M.A.; Shakoor R.A.; Montemor M.F.; Kahraman R.; Mansour S.; Abdullah A.M.; Hasan A.... more authors ... less authors ( Elsevier B.V. , 2019 , Article)This work reports the synthesis of polyelectrolyte microcapsules and its effect on the anti-corrosion performance of polymeric coating applied on steel substrates. In situ polymerization technique was used for the synthesis ... -
Development and properties of polymeric nanocomposite coatings
Nawaz M.; Yusuf N.; Habib S.; Shakoor R.A.; Ubaid F.; Ahmad Z.; Kahraman R.; Mansour S.; Gao W.... more authors ... less authors ( MDPI AG , 2019 , Article)Polymeric-based nanocomposite coatings were synthesized by reinforcing epoxy matrix with titanium nanotubes (TNTs) loaded with dodecylamine (DOC). The performance of the developed nanocomposite coatings was investigated ... -
Double layered polymeric coatings for corrosion protection of steel
Hassanein, Amani; Khan, Adnan; Shakoor, R.A.; Kahraman, Ramazan ( Qatar University Press , 2021 , Poster)Corrosion is one of the challenging issues faced by many industries, causing substantial economic losses every year due to the degradation of metallic parts, raising many safety concerns. Therefore, it is of utmost relevance ... -
Duplex Ni-P-ZrO2/Ni-P electroless coating on stainless steel
Wang, Yuxin; Shu, Xin; Wei, Shanghai; Liu, Chuming; Gao, Wei; Shakoor, R.A.; Kahraman, Ramazan... more authors ... less authors ( Elsevier Ltd , 2015 , Article)Duplex Ni–P–ZrO2/Ni–P coating was electroless deposited onto stainless steel substrates. High phosphorus Ni–P coating was plated as the inner layer to improve the corrosion resistance and low phosphorus sol-enhanced Ni–P–ZrO2 ... -
Effect of ambient temperature on the efficiency of the PCPDTBT: PC71BM BHJ solar cells
Ahmad, Zubair; Touati, Farid; Muhammad, Fahmi F.; Najeeb, Mansoor Ani; Shakoor, R. A. ( Springer Verlag , 2017 , Article)In this research article, the influence of environment temperature on the performance of the organic bulk heterojunction organic solar cells has been investigated. We describe the effect of ambient temperature on the ... -
Effect of annealing temperature on the performance of printable carbon electrodes for perovskite solar cells
Mishra A.; Ahmad Z.; Zimmermann I.; Martineau D.; Shakoor R.A.; Touati F.; Riaz K.; Al-Muhtaseb S.A.; Nazeeruddin M.K.... more authors ... less authors ( Elsevier B.V. , 2019 , Article)Perovskite solar cells (PSCs) with mesoporous TiO2 electron transport layers have reached >22% efficiency at laboratory scale (<1 cm2), however, these layers are fabricated using spin-coating, which is not conducive ...