John Ojur Dennis

Synthesis and characterisation of a ternary composite of polyaniline, reduced graphene-oxide and chitosan with reduced optical band gap and stable aqueous dispersibility

Fahad Usman, John Ojur Dennis, Khe Cheng Seong et al. · Results in Physics · 2019 · 88 citations · Full text

Engineering, Polymer Nanocomposites, Chemistry +16

Pseudocapacitive Charge Storage in Single-Step-Synthesized CoO–MnO₂–MnCo₂O₄ Hybrid Nanowires in Aqueous Alkaline Electrolytes

Midhun Harilal, Syam G. Krishnan, Asfand Yar et al. · The Journal of Physical Chemistry C · 2017 · 81 citations

Engineering, Electrode-electrolyte Interface, New Pseudocapacitive Combination +16

A wideband, frequency up-converting bounded vibration energy harvester for a low-frequency environment

Khalid Ashraf, Mohd Haris Md Khir, John Ojur Dennis et al. · Smart Materials and Structures · 2013 · 79 citations

Engineering, Energy Efficiency, Energy Conversion +17

Critical influence of reduced graphene oxide mediated binding of M (M = Mg, Mn) with Co ions, chemical stability and charge storability enhancements of spinal-type hierarchical MCo 2 O 4 nanostructures

Syam G. Krishnan, Midhun Harilal, Asfand Yar et al. · Electrochimica Acta · 2017 · 76 citations

Materials Science, Graphene Nanomeshes, Chemical Engineering +11

Improved energy harvesting from low frequency vibrations by resonance amplification at multiple frequencies

Khalid Ashraf, Mohd Haris Md Khir, John Ojur Dennis et al. · Sensors and Actuators A Physical · 2013 · 67 citations

Resonance Amplification, Electrical Engineering, Energy Harvesting +10