Akrajas Ali Umar

Overview

Best Publications

• Lead-Free Cs2BiAgBr6 Double Perovskite-Based Humidity Sensor with Superfast Recovery Time

  Zhenhua Weng;Jiajun Qin;Akrajas Ali Umar;Akrajas Ali Umar;Jiao Wang

  216
  Citations

• Mn-doping-induced photocatalytic activity enhancement of ZnO nanorods prepared on glass substrates

  Nur Ajrina Putri;Vivi Fauzia;S. Iwan;Liszulfah Roza

  164
  Citations

• Physical, electrochemical and supercapacitive properties of activated carbon pellets from pre-carbonized rubber wood sawdust by CO2 activation

  Erman Taer;Erman Taer;Mohamad Deraman;Ibrahim Abu Talib;Akrajas Ali Umar

  127
  Citations

• Direct growth of oriented ZnO nanotubes by self-selective etching at lower temperature for photo-electrochemical (PEC) solar cell application

  L. Roza;M.Y.A. Rahman;A.A. Umar;M.M. Salleh

  113
  Citations

• Formation of Gold Nanoplates on Indium Tin Oxide Surface: Two-Dimensional Crystal Growth from Gold Nanoseed Particles in the Presence of Poly(vinylpyrrolidone)

  Akrajas Ali Umar;Munetaka Oyama

  110
  Citations

• Second order optical effects in Au nanoparticle-deposited ZnO nanocrystallite films.

  K Ozga;T Kawaharamura;A Ali Umar;M Oyama

  107
  Citations

• Formation of high-yield gold nanoplates on the surface: Effective two-dimensional crystal growth of nanoseed in the presence of poly(vinylpyrrolidone) and cetyltrimethylammonium bromide

  Akrajas Ali Umar;Munetaka Oyama;Muhamad Mat Salleh;Burhanuddin Yeop Majlis

  103
  Citations

• Microwave-assisted hydrolysis preparation of highly crystalline ZnO nanorod array for room temperature photoluminescence-based CO gas sensor

  Tan Sin Tee;Tan Chun Hui;Chong Wu Yi;Yap Chi Chin

  99
  Citations

• Green synthesis of few-layered graphene from aqueous processed graphite exfoliation for graphene thin film preparation

  Muhammad Ashraf Saiful Badri;Muhamad Mat Salleh;Noor Far'ain Md Noor;Mohd Yusri Abd Rahman

  93
  Citations

• Synthesis of two-dimensional nanowall of Cu-Doped TiO2 and its application as photoanode in DSSCs

  Dahyunir Dahlan;Siti Khatijah Md Saad;Ade Usra Berli;Abdil Bajili

  91
  Citations

• Nonlinear optical properties of Au nanoparticles on indium–tin oxide substrate

  I V Kityk;J Ebothé;I Fuks-Janczarek;A Ali Umar

  85
  Citations

• Growth of platinum nanoparticles on stainless steel 316L current collectors to improve carbon-based supercapacitor performance

  E. Taer;E. Taer;M. Deraman;I.A. Talib;S.A. Hashmi

  83
  Citations

• Highly sensitive fipronil pesticide detection on ilmenite (FeO.TiO2)-carbon paste composite electrode

  Muhammad Nurdin;Owink Agung Prabowo;Zul Arham;Dwiprayogo Wibowo

  76
  Citations

• Urea and creatinine detection on nano-laminated gold thin film using Kretschmann-based surface plasmon resonance biosensor.

  P Susthitha Menon;Fairus Atida Said;Gan Siew Mei;Dilla Duryha Berhanuddin

  75
  Citations

• High performance cypermethrin pesticide detection using anatase TiO2-carbon paste nanocomposites electrode

  Muhammad Nurdin;Maulidiyah Maulidiyah;La Ode Agus Salim;Muhammad Zakir Muzakkar

  75
  Citations

• Growth of high-density gold nanoparticles on an indium tin oxide surface prepared using a "touch" seed-mediated growth technique

  Akrajas Ali Umar;Munetaka Oyama

  73
  Citations

• Influence of optical band gap and particle size on the catalytic properties of Sm/SnO2–TiO2 nanoparticles

  Shaghraf Javaid;Muhammad Akhyar Farrukh;Iqra Muneer;Maryam Shahid

  70
  Citations

• A Seed-Mediated Growth Method for Vertical Array of Single-Crystalline CuO Nanowires on Surfaces

  Akrajas Ali Umar;Munetaka Oyama

  69
  Citations

• High figure of merit transparent conducting Sb-doped SnO2 thin films prepared via ultrasonic spray pyrolysis

  Vivi Fauzia;M.N. Yusnidar;Latifa Hanum Lalasari;Achmad Subhan

  69
  Citations

• Two-Dimensional, Hierarchical Ag-Doped TiO2 Nanocatalysts: Effect of the Metal Oxidation State on the Photocatalytic Properties.

  Siti Khatijah Md Saad;Akrajas Ali Umar;Marjoni Imamora Ali Umar;Masahiko Tomitori

  66
  Citations

• ZnO nanocubes with (1 0 1) basal plane photocatalyst prepared via a low-frequency ultrasonic assisted hydrolysis process

  Sin Tee Tan;Akrajas Ali Umar;Aamna Balouch;Muhammad Yahaya

  62
  Citations

• Poriferous microtablet of anatase TiO2 growth on an ITO surface for high-efficiency dye-sensitized solar cells

  Akrajas Ali Umar;Suratun Nafisah;Siti Khatijah Md Saad;Sin Tee Tan

  62
  Citations

• SiO2 caped Fe3O4 nanostructures as an active heterogeneous catalyst for 4-nitrophenol reduction

  Muhammad Tariq Shah;Muhammad Tariq Shah;Aamna Balouch;Sirajuddin;Ashfaque Ahmed Pathan

  54
  Citations

• Synthesis and electrochemical performance of graphene-TiO2-carbon paste nanocomposites electrode in phenol detection

  Muhammad Nurdin;La Agusu;Abdul Azis Marzuki Putra;Maulidiyah Maulidiyah

  50
  Citations

• Efficient quantum capacitance enhancement in DSSC by gold nanoparticles plasmonic effect

  Athar Ali Shah;Akrajas Ali Umar;Muhamad Mat Salleh

  44
  Citations