Browsing by Author "Ahmad Z."
Now showing items 21-40 of 41
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n-InAs based photo-thermo-electrochemical cells for conversion of solar to electrical energy
Ahmad Z.; Karimov K.S.; Touati F.; Ajmal M.S.; Ali T.; Kayani S.H.; Kabutov K.; Shakoor R.A.; Al-Thani N.J.... more authors ... less authors ( Elsevier B.V. , 2016 , Article)This paper presents the photo-thermo-electrochemical (PEC) response of various combinations of the n-type indium arsenide (n-InAs) photo-electrode with different counter electrodes, i.e., Ag, Al, Cu, Pb, Zn and ITO. The ... -
N719-dye based electrochemical light and temperature sensor
Khalil A.; Ahmad Z.; Touati F.; Masmoudi M. ( Electrochemical Science Group , 2020 , Article)In this article, electrochemical N719-Dye based integrated light and temperature sensors have been reported. The fabricated sensor exhibits interesting features such as low cost, simple fabrication process, high sensitivity ... -
Optical absorption enhancement in polymer BHJ thin film using Ag nanostructures: A simulation study
Khalil A.; Ahmad Z.; Touati F.; Masmoudi M. ( Bentham Science Publishers , 2020 , Article)Background: The photo-absorption and light trapping through the different layers of the organic solar cell structures are a growing concern now-a-days as it affects dramatically the overall efficiency of the cells. In fact, ... -
Optimization of ITO glass/TiO2 based DSSC photo-anodes through electrophoretic deposition and sintering techniques
Shikoh A.S.; Ahmad Z.; Touati F.; Shakoor R.A.; Al-Muhtaseb S.A. ( Elsevier Ltd , 2017 , Article)In the current study, TiO2 layers were deposited onto Indium Tin Oxide (ITO) coated glass substrates at varied voltage levels ranging from 2.5 VDC to 7.5 VDC, using Electrophoretic deposition (EPD) process. Subsequently, ... -
Organic nanostructure sensing layer developed by AAO template for the application in humidity sensors
Andika R.; Aziz F.; Ahmad Z.; Doris M.; Fauzia V.; Bawazeer T.M.; Alsenany N.; Alsoufi M.S.; Supangat A.... more authors ... less authors ( Springer New York LLC , 2019 , Article)The present study demonstrates a novel nanoporous structure of aluminium 1,8,15,22-tetrakis 29H,31H phthalocyanine chloride (AlPcCl) prepared by template-assisted method for a humidity sensor. The nanoporous sensing layer ... -
Organic Thin-Film Capacitive and Resistive Humidity Sensors: A Focus Review
Najeeb M.A.; Ahmad Z.; Shakoor R.A. ( Wiley-VCH Verlag , 2018 , Article Review)In this paper, organic-based capacitive and resistive humidity sensors, starting from the fundamental working principles, designs, and characterization, are reviewed. The prevalent adoptions of recent technology in the ... -
PLA-TiO2 nanocomposites: Thermal, morphological, structural, and humidity sensing properties
Mallick S.; Ahmad Z.; Touati F.; Bhadra J.; Shakoor R.A.; Al-Thani N.J.... more authors ... less authors ( Elsevier Ltd , 2018 , Article)In this paper, the effect of TiO2 ceramic nanoparticles on the thermal stability, morphology, molecular mass, structure and electrical properties of the polylactic acid-Titanium dioxide (PLA-TiO2) composites, aimed for ... -
Potential challenges and approaches to develop the large area efficient monolithic perovskite solar cells (mPSCs)
Mishra A.; Ahmad Z. ( Springer , 2019 , Article Review)The next generation technologies based on perovskite solar cells (PSCs) are targeted to develop a true low cost, low tech, widely deployable, easily manufactured and reliable photovoltaics. After the extremely fast evolution ... -
Semi-transparent thermo-electric cells based on bismuth telluride and its composites with CNTs and graphene
Fatima N.; Karimov K.S.; Nabi J.-U.; Meng H.; Ahmad Z.; Riaz M.; Bashir M.M.; Khan M.I.; Ali R.; Khan A.; Touati F.... more authors ... less authors ( National Institute of Optoelectronics , 2019 , Article)In this paper, semi-transparent thin film thermo-electric cells based on the composite of bismuth telluride (Bi2Te3, p-type and n-type) with graphene and carbon nanotubes (CNTs) have been reported. The voltage, current and ... -
Sodium intercalation/de-intercalation mechanism in Na4MnV(PO4)3 cathode materials
Nisar U.; Shakoor R.A.; Essehli R.; Amin R.; Orayech B.; Ahmad Z.; Kumar P.R.; Kahraman R.; Al-Qaradawi S.; Soliman A.... more authors ... less authors ( Elsevier Ltd , 2018 , Article)Na4MnV(PO4)3 is a sodium ion conducting material with a NASICON type crystal structure. This phase is not much known as an electrode material. The present work focuses on the sodium ion intercalation/de-intercalation ... -
Stability in 3D and 2D/3D hybrid perovskite solar cells studied by EFISHG and IS techniques under light and heat soaking
Ahmad Z.; Noma T.; Paek S.; Cho K.T.; Taguchi D.; Iwamoto M.; Manaka T.; Nazeeruddin M.K.; Touati F.; Al-Muhtaseb S.A.... more authors ... less authors ( Elsevier B.V. , 2019 , Article)We investigate the effect of temperature and light soaking on the stability and charge carrier behavior in triple cation 3-Dimensional (3D) and 2-Dimensional (2D)/3-Dimensional perovskite solar cells (PSCs) using electric ... -
Stability of organometal halide perovskite solar cells and role of HTMs: Recent developments and future directions
Raza E.; Aziz F.; Ahmad Z. ( Royal Society of Chemistry , 2018 , Article Review)Perovskite solar cells (PSCs) have recently emerged as one of the most exciting fields of research of our time, and the World Economic Forum in 2016 recognized them as one of the top 10 technologies in 2016. With 22.7% ... -
Study of a ternary blend system for bulk heterojunction thin film solar cells
Ahmad Z.; Touati F.; Shakoor R.A.; Al-Thani N.J. ( Institute of Physics Publishing , 2016 , Article)In this research, we report a bulk heterojunction (BHJ) solar cell consisting of a ternary blend system. Poly(3-hexylthiophene) P3HT is used as a donor and [6,6]-phenyl C61-butyric acid methylester (PCBM) plays the role ... -
Surface engineering of the PLA films for fabricating dexterous humidity sensors
Ubaid F.; Ahmad Z.; Shakoor R.A.; Mohamed A.M.A. ( Springer New York LLC , 2018 , Article)This study presents the surface engineering of the thin films of a biodegradable polymer, poly lactic acid (PLA), for its application in moisture/humidity sensors. The PLA films were deposited on the comb-like pre-patterned ... -
Surface-type nonvolatile electric memory elements based on organic-on-organic CuPc-H
Karimov, K.S.; Ahmad, Z.; Touati, F.; Mahroof-Tahir, M.; Muqeet Rehman, M.; Zameer Abbas, S.... more authors ... less authors ( Institute of Physics Publishing , 2015 , Article)A novel surface-type nonvolatile electric memory elements based on organic semiconductors CuPc and H2Pc are fabricated by vacuum deposition of the CuPc and H2Pc films on preliminary deposited metallic (Ag and Cu) electrodes. ... -
Synthesis and characterization Al2O3-ZrO2 bio-nanostructures with sintering effect, residual and thermally stable analysis
Wasim, M. F.; Ali, S.; Ashraf, M. W.; Rafique, A.; Ahmad, J.; Akhter, M. I.; Qadeer, A.; Tayyaba, S.; Ahmad, Z.... more authors ... less authors ( S.C. Virtual Company of Phisics S.R.L , 2021 , Article)The thermal stability of nano composite materials is the important aspect of the modern era. In the advance modern devices, the nanostructures and nano composite material are used for the biological and other applications. ... -
Synthesis and characterization of magnetic nanostructured lipid carriers (mNLCs) for drug delivery
Akhtar N.; Teo Y.Y.; Najeeb M.A.; Ahmad Z.; Shah Z.; Hasan M.A.... more authors ... less authors ( Electrochemical Science Group , 2018 , Article)Magnetic nanoparticles (MNPs) are a class of nanoparticles, which can be manipulated using magnetic fields. Currently, MNPs are recognized as one of the most important mode as a drug carrier while they can also be potentially ... -
Synthesis and performance of large-scale cost-effective environment-friendly nanostructured thermoelectric materials
Jaldurgam F.F.; Ahmad Z.; Touati F. ( MDPI AG , 2021 , Article)Thermoelectricity is a promising technology that directly converts heat energy into electric-ity and finds its use in enormous applications. This technology can be used for waste heat recovery from automobile exhausts and ... -
Synthesis and properties of polyelectrolyte multilayered microcapsules reinforced smart coatings
Khan A.; Ubaid F.; Fayyad E.M.; Ahmad Z.; Shakoor R.A.; Montemor M.F.; Kahraman R.; Mansour S.; Hassan M.K.; Hasan A.; Abdullah A.M.... more authors ... less authors ( Springer New York LLC , 2019 , Article)The present research work focuses on the synthesis, characterization and properties of novel polyelectrolyte multilayered microcapsules used as smart additives in organic coatings for corrosion protection of steel parts. ... -
Synthesis of in situ photoinduced halloysite-polypyrrole@silver nanocomposite for the potential application in humidity sensors
Jlassi K.; Mallick S.; Mutahir H.; Ahmad Z.; Touati F. ( MDPI AG , 2020 , Article)Halloysite-polypyrrole-silver nanocomposite has been prepared via in situ photopolymerizations of pyrrole in the presence of silanized halloysite and silver nitrate as a photoinitiator. The halloysite nanoclay (HNT) was ...