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High transparency and low sheet resistance flexible conductive electrode is of great interest to research communities working on applications such as solar cells and light emitting diodes. For this purpose, Au-decorated graphene-single wall carbon nanotube (SWCNT) thin films are developed and characterized in this work. Initially, the SWCNT is spin-coated on a Cu foil. It is then placed in thermal...
Lead is a very toxic substance that causes metabolic disruption by mimicking the chemical profile of other important ions in the human body. The current technique of determining the presence of lead in drinkable water are simply too expensive to be implemented for large-scale real time monitoring. As an alternative, a sensor based on graphene field effect transistor is developed. The graphene layer...
Graphene-based hybrid thin films are investigated specifically for its optical transmittance and sheet resistance. The hybrid films were made of stacked or fused chemical vapor deposition (CVD)-grown graphene, carbon nanotubes (CNT) and copper nanowires. It was found that the fused graphene/CNT has the highest transmittance nearly 90% in the visible region and the lowest sheet resistance (RS) of ∼830...
Properties of high quality graphene synthesized using chemical vapor deposition (CVD) are reported. Parameters such as the rate and time of gas flow are varied during synthesis. The as-grown graphene is then transferred onto oxidized silicon substrate by employing single and double layer polymer-based techniques. Next, surface morphology, electrical and optical properties of the synthesized mono-few...
The InGaN/GaN quantum-disks-in-nanowire light-emitting diode (LED) with emission centered at ∼830nm, the longest emission wavelength ever reported in the InGaN/GaN system, and spectral linewidth of 290nm, has been fabricated with p-side-down on a Cu substrate.
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