Browsing by Author "AlMaadeed, Mariam Al Ali"
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3D architectures of titania nanotubes and graphene with efficient nanosynergy for supercapacitors
Ponnamma, Deepalekshmi; P, Poornima Vijayan; Al-Maadeed, MariamAl Ali ( Elsevier Ltd , 2017 , Article)One dimensional titanium dioxide nanotubes (titania nanotubes or TNT) are grown on the surface of two dimensional graphene sheets by hydrothermal method so that desirable out of plane properties are obtained in the final ... -
A review on recent advances in CO2 separation using zeolite and zeolite-like materials as adsorbents and fillers in mixed matrix membranes (MMMs)
Zagho, Moustafa M.; Hassan, Mohammad K.; Khraisheh, Majeda; Al-Maadeed, Mariam Al Ali; Nazarenko, Sergei ( Elsevier , 2021 , Article)Anthropogenic emissions have developed the environmental demands for proficient carbon dioxide (CO2) separation technologies. Adsorption and membrane technologies are widely used to separate CO2 from other light gases due ... -
A stable porous vessel for photocatalytic degradation of Azocarmine G dye
El-Samak, Ali A.; Ponnamma, Deepalekshmi; Hassan, Mohammad K.; Al-Maadeed, Mariam Al Ali ( Elsevier , 2022 , Article)Porous nanocomposite of polystyrene (PS) is fabricated by non-solvent induced phase separation, and with the addition of ZnO nanomaterials through electrospinning, the different evaporation rates of solvent/non solvent ... -
Center for Advanced Materials, Contribution to "Research for the Future" Rd Map at Qatar University The Journey from 2008 to 2015
Al Maadeed, Mariam Al-Ali ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)"Research for the future" is the roadmap of research at Qatar University for 2014-2019 [i]. It identifies the research priority themes based on Qatar's needs and on National Development Strategy 2011-2016. The following ... -
Curing enhancement and network effects in multi-walled carbon nanotube-filled vulcanized natural rubber: evidence for solvent sensing
Ponnamma, Deepalekshmi; Varughese, Konnanilkunnathil Thomas; Al-Maadeed, Mariam Al Ali; Thomas, Sabu ( John Wiley and Sons Ltd , 2017 , Article)Electrically and thermally conductive polymer composites offer great possibilities in various electronic fields because of their low weight and ease of processing. This paper addresses the curing behaviour and network ... -
Eco-Friendly Electromagnetic Interference Shielding Materials from Flexible Reduced Graphene Oxide Filled Polycaprolactone/Polyaniline Nanocomposites
Ponnamma, Deepalekshmi; Sadasivuni, Kishor Kumar; Strankowski, Michael; Kasak, Peter; Krupa, Igor; AlMaadeed, Mariam Al-Ali... more authors ... less authors ( Taylor and Francis Inc. , 2016 , Article)Hybrid nanocomposites have the unique ability of enhancing material properties due to the existing synergistic effect of the fillers. In this study, the authors report such an eco-friendly hybrid nanocomposite comprising ... -
Eeonomer 200F: A High-Performance Nanofiller for Polymer Reinforcement-Investigation of the Structure, Morphology and Dielectric Properties of Polyvinyl Alcohol/Eeonomer-200F Nanocomposites for Embedded Capacitor Applications
Deshmukh, Kalim; Ahamed, M. Basheer; Deshmukh, Rajendra R.; Sadasivuni, Kishor Kumar; Ponnamma, Deepalekshmi; Pasha, S. K. Khadheer; AlMaadeed, Mariam Al-Ali; Polu, Anji Reddy; Chidambaram, K.... more authors ... less authors ( Springer New York LLC , 2017 , Article)In the present study, Eeonomer 200F® was used as a high-performance nanofiller to prepare polyvinyl alcohol (PVA)-based nanocomposite films using a simple and eco-friendly solution casting technique. The prepared PVA/Eeonomer ... -
Evaluation of polymeric adsorbents via fixed-bed columns for emulsified oil removal from industrial wastewater
Mashael, Al-Maas; Minier-Matar, Joel; Krupa, Igor; Al-Maadeed, Mariam Al Ali; Adham, Samer ( Elsevier Ltd , 2022 , Article)Polymeric adsorbents (PAs) have been gaining increased attention for application in industrial wastewater (WW) treatment. However, most studies on evaluating PAs specifically for emulsified oil removal are currently limited ... -
Flexible, biodegradable and recyclable solar cells: a review
Sadasivuni, Kishor Kumar; Deshmukh, Kalim; Ahipa, T. N.; Muzaffar, Aqib; Ahamed, M. Basheer; Pasha, S. K. Khadheer; Al-Maadeed, Mariam Al-Ali... more authors ... less authors ( Springer New York LLC , 2019 , Article)Solar energy is conceivably the largest source of renewable energy at our disposal, but vital advances are expected to make solar cells economically viable. Biodegradable and flexible solar cells are currently under extensive ... -
Fumed SiO2 nanoparticle reinforced biopolymer blend nanocomposites with high dielectric constant and low dielectric loss for flexible organic electronics
Deshmukh, Kalim; Ahamed, M. Basheer; Sadasivuni, Kishor Kumar; Ponnamma, Deepalekshmi; AlMaadeed, Mariam Al?Ali; Deshmukh, Rajendra R.; Pasha, S. K. Khadheer; Polu, Anji Reddy; Chidambaram, K.... more authors ... less authors ( John Wiley and Sons Inc. , 2017 , Article)In the present study, fumed silica (SiO2) nanoparticle reinforced poly(vinyl alcohol) (PVA) and poly(vinylpyrrolidone) (PVP) blend nanocomposite films were prepared via a simple solution‐blending technique. Fourier transform ... -
Graphene oxide reinforced poly (4-styrenesulfonic acid)/polyvinyl alcohol blend composites with enhanced dielectric properties for portable and flexible electronics
Deshmukh, Kalim; Ahamed, M. Basheer; Sadasivuni, Kishor Kumar; Ponnamma, Deepalekshmi; AlMaadeed, Mariam Al-Ali; Pasha, S. K. Khadheer; Deshmukh, Rajendra R.; Chidambaram, K.... more authors ... less authors ( Elsevier Ltd , 2017 , Article)In this work, Graphene Oxide (GO) reinforced novel polymer composites comprising of poly (4-styrenesulfonic acid) (PSSA) and polyvinyl alcohol (PVA) blend matrix have been developed using colloidal processing technique. ... -
Graphene oxide reinforced polyvinyl alcohol/polyethylene glycol blend composites as high-performance dielectric material
Deshmukh, Kalim; Ahamed, M. Basheer; Sadasivuni, Kishor Kumar; Ponnamma, Deepalekshmi; Deshmukh, Rajendra R.; Pasha, S. K. Khadheer; AlMaadeed, Mariam Al-Ali; Chidambaram, K.... more authors ... less authors ( Springer Netherlands , 2016 , Article)Novel flexible dielectric composites composed of polyvinyl alcohol (PVA), polyethylene glycol (PEG), and graphene oxide (GO) with high dielectric constant and low dielectric loss have been developed using facile and ... -
Impedance spectroscopy, ionic conductivity and dielectric studies of new Li+ ion conducting polymer blend electrolytes based on biodegradable polymers for solid state battery applications
Deshmukh, Kalim; Ahamed, M. Basheer; Polu, Anji Reddy; Sadasivuni, Kishor Kumar; Pasha, S. K. Khadheer; Ponnamma, Deepalekshmi; AlMaadeed, Mariam Al-Ali; Deshmukh, Rajendra R.; Chidambaram, K.... more authors ... less authors ( Springer New York LLC , 2016 , Article)New solid polymer blend electrolyte films based on biodegradable polymer blend comprising of polyvinyl alcohol (PVA) and poly (N-vinyl pyrrolidone) (PVP) doped with different wt% of lithium carbonate (Li2CO3) salt have ... -
Influence of graphene oxide on mechanical, morphological, barrier, and electrical properties of polymer membranes
Ammar, Ali; Al-Enizi, Abdullah M.; AlMaadeed, Mariam Al Ali; Karim, Alamgir ( Elsevier , 2016 , Article Review)This paper expresses a short review of research on the effects of graphene oxide (GO) as a nanocomposite element on polymer morphology and resulting property modifications including mechanical, barrier, and electrical ... -
Influence of temperature on the confinement effects of micro and nano level graphite filled poly(isoprene-co-isobutylene) composites
Ponnamma, Deepalekshmi; Saiter, Allisson; Saiter, Jean Marc; Thomas, Sabu; Grohens, Yves; AlMaadeed, Mariam Al-Ali; Sadasivuni , Kishor Kumar... more authors ... less authors ( Springer Netherlands , 2016 , Article)Electrically conducting elastomer composites using nanocarbon fillers have utmost significance in the current scenario of flexible electronics. Though a large number of reports have come out in this topic, the influence ... -
Investigation of antimicrobial properties and in-vitro bioactivity of Ce3+-Sr2+dual-substituted nano hydroxyapatites
Sundarabharathi, Lakshmanaperumal; Chinnaswamy, Mahendran; Ponnamma, Deepalekshmi; Parangusan, Hemalatha; Al-Maadeed, Mariam Al Ali ( Blackwell Publishing Inc. , 2019 , Article)Dual doped calcium apatite has been widely focused as it enhances the osteoconductive property for the possible applications in orthopedic and dental implants. In this work, we investigate the antimicrobial and bioactive ... -
Laser Induced Periodic Surface Structures on Nano Metal Oxide filled Polyvinylidene Fluoride Nanocomposites
Ponnamma, Deepalekshmi; Sivakumar, Velautham; Popelka, Anton; Hussein, Yasser H. A.; Al-Maadeed, Mariam Al Ali ( Elsevier , 2018 , Article)The ability of polarized pulsed laser in surface modification of substrate surfaces without thermally destroying them is a well-established concept of scientific procedure. In this work, we report the laser induced surface ... -
Newly developed biodegradable polymer nanocomposites of cellulose acetate and Al2O3 nanoparticles with enhanced dielectric performance for embedded passive applications
Deshmukh, K.; Ahamed, M.B.; Deshmukh, R.R.; Pasha, S.K.K.; Sadasivuni, Kishor Kumar; Polu, A.R.; Ponnamma, D.; AlMaadeed, Mariam Al-Ali; Chidambaram, K.... more authors ... less authors ( Springer New York LLC , 2017 , Article)In this study, biopolymer nanocomposites of cellulose acetate (CA) and Al2O3 nanoparticles (Al2O3 NPs) were successfully obtained using solution blending method. The effect of Al2O3 NPs loading on the microstructure, ... -
Oleic acid-grafted chitosan/graphene oxide composite coating for corrosion protection of carbon steel
Fayyad, Eman M.; Sadasivuni, Kishor Kumar; Ponnamma, Deepalekshmi; Al-Maadeed, Mariam Al Ali ( Elsevier Ltd , 2016 , Article)An anticorrosion coating film based on the formation of nanocomposite coating is reported in this study. The composite consisted of chitosan (green matrix), oleic acid, and graphene oxide (nano filler). The nanocomposite ... -
Polyvinyl alcohol (PVA)/polystyrene sulfonic acid (PSSA)/carbon black nanocomposite for flexible energy storage device applications
Mohanapriya, M. K.; Deshmukh, Kalim; Chidambaram, K.; Ahamed, M. Basheer; Sadasivuni, Kishor Kumar; Ponnamma, Deepalekshmi; AlMaadeed, Mariam Al-Ali; Deshmukh, R. R.; Pasha, S. K. Khadheer... more authors ... less authors ( Springer New York LLC , 2017 , Article)Herein, we report the preparation and characterizations of polyvinyl alcohol (PVA) and polystyrene sulfonic acid (PSSA) blend nanocomposites reinforced with carbon black nanoparticles (CBNPs). The structural changes, ...