Browsing by Author "Shakoor, R. A."
Now showing items 41-60 of 105
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Fabrication and characterization of the organic rectifying junctions by electrolysis
Karimov, Khasan; Ahmad, Zubair; Ali, Rashid; Noor, Adnan; Akmal, M.; Najeeb, M. A.; Shakoor, R. A.... more authors ... less authors ( Springer Verlag , 2017 , Article)Unlike the conventional solution processable deposition techniques, in this study, we propose a novel and economical method for the fabrication of organic rectifying junctions. The solutions of the orange dye, copper ... -
Flexible thermo-electrochemical cells using Iodolyte HI-30 for conversion of low-grade heat to electrical energy
Ahmad, Zubair; Bhadra, Jolly; Touati, Farid; Alashraf, Abdullah; Shakoor, R. A.; Al-Thani, N. J.... more authors ... less authors ( Royal Society of Chemistry , 2016 , Article)In this research work, we investigated the flexible thermo-electro chemical cells (TECs) for the conversion of low-grade heat into electrical energy in the temperature range of 20–70 °C. The TECs were fabricated using 30 ... -
Growth of MAPbBr3 perovskite crystals and its interfacial properties with Al and Ag contacts for perovskite solar cells
Najeeb, Mansoor Ani; Ahmad, Zubair; Shakoor, R.A.; Alashraf, Abdulla; Bhadra, Jolly; Al-Thani, N.J.; Al-Muhtaseb, Shaheen A.; Mohamed, A.M.A.... more authors ... less authors ( Elsevier B.V. , 2017 , Article)In this work, the MAPbBr3 perovskite crystals were grown and the interfacial properties of the poly-crystalline MAPbBr3 with Aluminum (Al) and Silver (Ag) contacts has been investigated. MAPbBr3 crystals are turned into ... -
Hybrid Halloysite Nanotubes as Smart Carriers for Corrosion Protection
Khan, Adnan; Hassanein, Amani; Habib, Sehrish; Nawaz, Muddasir; Shakoor, R. A.; Kahraman, Ramazan... more authors ... less authors ( American Chemical Society , 2020 , Article)Novel hybrid halloysite nanotubes (HHNTs) were developed and used as smart carriers for corrosion protection of steel. For this purpose, as-received halloysite nanotubes (HNTs) were loaded with a corrosion inhibitor, ... -
Impact of coatings on the electrochemical performance of LiNi0.5Mn1.5O4 cathode materials: A focused review
Qureshi, Zawar Alam; Tariq, Hanan Abdurehman; Shakoor, R.A.; Kahraman, Ramazan; AlQaradawi, Siham ( Elsevier Ltd , 2022 , Article Review)The application of Lithium-ion batteries (LIBs) in portable electronics and electric vehicles (EVs) has increased in the past decade. Extended commercialization of LIBs for advanced applications requires the development ... -
Impact of moisture contents on the performance of organic bi-layer ITO/OD thermo-electric cells
Ahmad, Zubair; Karimov, Khasan S.; Touati, Farid; Moiz, S. A.; Ali, Rashid; Shakoor, R. A.; Al-Thani , N. J.... more authors ... less authors ( Springer New York LLC , 2016 , Article)We propose a bi-layer thermo-electric cell based on elastic indium tin oxide (ITO) substrate and organic semiconductor orange dye (OD). It is observed that thermo-electric voltages are ~30% higher in bi-layer ITO/OD cell ... -
Improved electrochemical performance of SiO2-coated Li-rich layered oxides-Li1.2Ni0.13Mn0.54Co0.13O2
James Abraham, Jeffin; Nisar, Umair; Monawwar, Haya; Abdul Quddus, Aisha; Shakoor, R. A.; Saleh, Mohamed I.; Kahraman, Ramazan; Al-Qaradawi, Siham; Aljaber, Amina S.... more authors ... less authors ( Springer , 2020 , Article)Lithium-rich layered oxides (LLOs) such as Li1.2Ni0.13Mn0.54Co0.13O2 are suitable cathode materials for future lithium-ion batteries (LIBs). Despite some salient advantages, like low cost, ease of fabrication, high capacity, ... -
Improved properties of polyolefin nanocomposite coatings modified with ceria nanoparticles loaded with 2-mercaptobenzothiazole
Nawaz, Muddasir; Kahraman, Ramazan; Taryba, Maryna G.; Hassan, Mohammad K.; Attaei, M.; Montemor, M.F.; Shakoor, R.A.... more authors ... less authors ( Elsevier B.V. , 2022 , Article)Ceria nanoparticles (CNPs) were loaded with a corrosion inhibitor 2-Mercaptobenzothiazole (2-MBT), and used as an anticorrosive pigment. For that, the proposed additive was thoroughly mixed (1 wt%) into a Polyolefin matrix ... -
Improvement of humidity sensing properties of PVDF-TiO2 nanocomposite films using acetone etching
Mallick, Shoaib; Ahmad, Zubair; Touati, Farid; Shakoor, R.A. ( 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 ... -
Instability in CH3NH3PbI3 perovskite solar cells due to elemental migration and chemical composition changes
Ahmad, Zubair; Najeeb, Mansoor Ani; Shakoor, R. A.; Alashraf, Abdulla; Al-Muhtaseb, Shaheen A.; Soliman, Ahmed; Nazeeruddin, M. K.... more authors ... less authors ( Nature Publishing Group , 2017 , Article)Organic-inorganic halide perovskites have rapidly grown as favorable materials for photovoltaic applications, but accomplishing long-term stability is still a major research problem. This work demonstrates a new insight ... -
Integration of the inexpensive CuNWs based transparent counter electrode with dye sensitized photo sensors
Shikoh, Ali Sephar; Ahmad, Zubair; Touati, Farid; Shakoor, R. A.; Al-Thani, N. J.; Zhu, Zhaozhao; Mankowski, Trent; Benammar, Mohieddine A.; Mansuripur, Masud; Falco, Charles M.... more authors ... less authors ( Royal Society of Chemistry , 2016 , Article)We demonstrate, a newly developed, inexpensive transparent conducting electrode (TCE) based on copper nanowires (CuNWs) combined with reduced graphene oxide (rGO) and poly(3,4-ethylenedioxythiophene) polystyrene sulfonate ... -
Investigating the Properties of Electrodeposited of Ni-P-ZrC Nanocomposite Coatings
Fayyaz O.; Bahgat Radwan A.; Sliem M.H.; Abdullah A.M.; Hasan, Anwarul; Shakoor R.A.... more authors ... less authors ( American Chemical Society , 2021 , Article)Superior corrosion resistance along with higher mechanical performance is becoming a primary requirement to decrease operational costs in the industries. Nickel-based phosphorus coatings have been reported to show better ... -
Limits and possible solutions in quantum dot organic solar cells
Ahmad Z.; Najeeb M.A.; Shakoor R.A.; Al-Muhtaseb S.A.; Touati F. ( Elsevier Ltd , 2018 , Article Review)In this review article, we present recent advancements in the field of organic photovoltaics (OPV) that have been achieved through the applications of quantum dots (QDs). We describe the leading experimental accomplishments ... -
Microstructure and Mechanical Behavior of Microwave Sintered Cu50Ti50 Amorphous Alloy Reinforced Al Metal Matrix Composites
Reddy M.P.; Ubaid F.; Shakoor R.A.; Mohamed A.M.A. ( Minerals, Metals and Materials Society , 2018 , Article)In the present work, Al metal matrix composites reinforced with Cu-based (Cu50Ti50) amorphous alloy particles synthesized by ball milling followed by a microwave sintering process were studied. The amorphous powders of ... -
Microstructure and mechanical properties of aluminum matrix composites with bimodal-sized hybrid NbC-B4C reinforcements
Aicha S., Lemine; Fayyaz, Osama; Yusuf, Moinuddin; Shakoor, R.A.; Ahmad, Zubair; Bhadra, Jolly; Al-Thani, Noora J.... more authors ... less authors ( Elsevier , 2022 , Article)Aluminum (Al) is an earth-abundant metal recognized with superior properties for vital applications in the aerospace and transportation industries. Structural components of Al exhibit poor performance due to its inherent ... -
Microstructure and properties of Ni-Co-TiO2 composite coatings fabricated by electroplating
Wang, Yuxin; Shu, Xin; Gao, Wei; Shakoor, R. A.; Kahraman, Ramazan; Yan, Pengfei; Lu, Wei; Yan, Biao... more authors ... less authors ( World Scientific Publishing Co. Pte Ltd , 2015 , Conference Paper)Ni-Co coatings are widely used due to their unique mechanical properties, high anticorrosion properties, good thermal stability and special magnetic properties. Ni-Co-xTiO2 (x = 0-20 g/L in the electrolyte) composite ... -
Microstructure and properties of sol-enhanced Ni-Co-TiO2 nano-composite coatings on mild steel
Wang, Yuxin; Tay, See Leng; Wei, Shanghai; Xiong, Chao; Gao, Wei; Shakoor, R.A.; Kahraman, Ramazan... more authors ... less authors ( Elsevier Ltd , 2015 , Article)Abstract Ni-Co-TiO2 nano-composite coatings were electroplated on mild steel by adding transparent TiO2 sol (0-50 mL/L) into the Ni-Co plating solution. The microstructure, mechanical property and corrosion resistance of ... -
Modified halloysite nanotubes decorated with Ceria for synergistic corrosion inhibition of Polyolefin based smart composite coatings
Qureshi, Ahmadyar; Habib, Sehrish; Nawaz, Muddasir; Shakoor, R.A.; Kahraman, Ramazan; Ahmed, Elsadig Mahdi... more authors ... less authors ( Elsevier , 2023 , Article)The deteriorating effect of corrosion can be controlled by applying suitable polymeric-based coatings. In this work, polyolefin based smart composite coatings containing modified halloysite nanotubes decorated with ceria ... -
Multifunctional self-healing polymeric nanocomposite coatings for corrosion inhibition of steel
Bahgat, Ahmed; Shakoor, R. A.; Abdullah, Aboubakr M ( Qatar University Press , 2020 , Poster)The present work focuses on the self-healing and corrosion behavior of novel epoxy based coatings containing epoxy monomer (EM) and dodecylamine (DDA) as self-healing and corrosion inhibitor, respectively. The coating ... -
Multifunctional self-healing polymeric nanocomposite coatings for corrosion inhibition of steel
Ubaid F.; Radwan A.B.; Naeem N.; Shakoor R.A.; Ahmad Z.; Montemor M.F.; Kahraman R.; Abdullah A.M.; Soliman A.... more authors ... less authors ( Elsevier B.V. , 2019 , Article)The present work focuses on the self-healing and corrosion behavior of novel epoxy based coatings containing epoxy monomer (EM) and dodecylamine (DDA) as self-healing and corrosion inhibitor, respectively. The coating ...