Browsing by Author "Al-Ahmed, Amir"
Now showing items 1-7 of 7
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A New Class of Electrocatalyst Materials for Direct Methanol Fuel Cell Applications
Zaidi, Syed M. Javaid; Al-Ahmed, Amir; Bello, Mukhtar ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Direct methanol fuel cell (DMFC) has been attracting lots of attention as a power source for transportation, stationary and portable electronic devices due to the high energy density of methanol and ease of handling compared ... -
Enhancing Power Conversion Efficiency of Dye-Sensitized Solar Cell Using TiO2-MWCNT Composite Photoanodes
Mehmood, Umer; Hussein, Ibnelwaleed A.; Al-Ahmed, Amir; Ahmed, Shakeel ( IEEE Electron Devices Society , 2016 , Article)The aim of this work is to improve the power conversion efficiency (PCE) of dye-sensitized solar cells (DSSCs) using composite films consisting of titanium oxide (TiO2) nanoparticles and multiwalled carbon nanotubes (MWCNTs). ... -
Mesoporous carbon supported Pt/MO2 (M=Ce, Pr, Nd, Sm) heteronanostructure: Promising non-Ru methanol oxidation reaction catalysts for direct methanol fuel cell application
Zaidi, Syed Javaid; Bello, Mukhtar; Al-Ahmed, Amir; Bin Yousaf, Ammar; Imrand, M. ( Elsevier B.V. , 2017 , Article)Direct methanol fuel cells (DMFCs) proved to be promising alternative for renewable energy resources. There are several factors involved for the hindrance of their commercialization. Herein, the alteration in catalyst's ... -
Method to prepare ternary methanol electro-oxidation catalysts for direct methanol fuel cell applications
Yousaf, Ammar Bin; Mukhtar, B.; Al-Ahmed, Amir; Zaidi, Syed Javaid ( Electrochemical Society, Inc. , 2017 , Article)In this work ternary methanol electro-oxidation catalysts based on mesoporous carbon (MC) were prepared by a novel approach for direct methanol fuel cell applications. Platinum (Pt), ruthenium (Ru) along with oxides of ... -
Proton conducting blend membranes: physical, morphological and electronic properties
Al-Ahmed, Amir; Nazal, Mazen Khaled; Sultan, Abdullah S.; Adewole , Jimoh K.; Zaidi, Syed Javaid ( Springer Verlag , 2017 , Article)Blend membranes of sulfonated poly(ether ether ketone) (SPEEK) and sulfonated polyetherimide (SPEI) have been prepared and investigated as a potential polymer electrolyte membrane (PEM) for direct methanol fuel cell (DMFC). ... -
Pt-Ru nanoparticles functionalized mesoporous carbon nitride with tunable pore diameters for DMFC applications
Bello, M.; Zaidi, S. M.Javaid; Al-Ahmed, Amir; Basu, Suddhasatwa; Park, Dae Hwan; Lakhi, Kripal Singh; Vinu, Ajayan... more authors ... less authors ( Elsevier , 2017 , Article)Mesoporous carbon nitrides (MCN) with different pore diameters are prepared by a nano-hard-templating strategy using SBA-15 with tunable pore diameters as templates through a simple polymerization of carbon tetrachloride ... -
Review on recent advances in polythiophene based photovoltaic devices
Mehmood, Umer; Al-Ahmed, Amir; Hussein, Ibnelwaleed A. ( Elsevier Ltd , 2016 , Article Review)Discovery of conducting polymer introduced us to the total polymeric solar cells (PSC). During the last decade, power conversion efficiency (PCE) of these solar cells has increased from 1% to 11.5% (with the bulk heterojunction ...