G Mohan Kumar

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In doped ZnO nanocrystallites have established through a facile, low cost and high yield wet-chemical route. The X-ray diffraction measurements revealed the samples to be well crystallized, with a considerable shift in the prominent peak positions, indicating the successful substitution of In ions into the ZnO matrix. The particulate characteristic of the(More)
Colloidal zinc telluride (ZnTe) nanostructures were successfully processed through a simple and facile ultrasonic (sonochemical) treatment for photoelectronic applications. The particle-like morphological features, phase and nature of valence state of various metal ions existing in ZnTe were examined using electron and X-ray photoelectron spectroscopic(More)
Nowadays, solid-state inorganic-organic hybrid solar cells based on one-dimensional (1D) inorganic semiconducting nanostructures and organic polymers are believed to offer convincing solutions for the realm of next generation solar cells. In this regard, 1D ZnCdS nanowire (NW) arrays were fabricated on transparent conducting substrates through a catalyst(More)
Studies on manoeuvring the optoelectronic characteristics of a semiconducting nanostructure are of recent specific interest for a wide range of photonic applications. In this regard, the optical and electrical characteristics of ZnO nanostructures have been tuned and studied systematically using Gd ions. The structural and morphological characteristics of(More)
4H-SnS2 layered crystals synthesized by a hydrothermal method were used to obtain via liquid phase exfoliation quantum dots (QDs), consisting of a single layer (SLQDs) or multiple layers (MLQDs). Systematic downshift of the peaks in the Raman spectra of crystals with a decrease in size was observed. The bandgap of layered QDs, estimated by UV-visible(More)
Hybrid solar cells employing conjugated polymers have revolutionized the photovoltaic industry by offering the prospect for large-scale energy conversion applications through cost-effective fabrication techniques. In this regard, we have demonstrated an experimental approach to fabricate polypyrrole/ZnCoO nanorod hybrid systems, using hydrothermal and(More)
Solution processed organic-inorganic bulk hybrid heterostructures are nowadays considered as the most promising elements to perform efficient optoelectronic functions. In this regard, In2O3 based hybrid heterostructures were fabricated using polypyrrole and their role as efficient interfacial layers was studied using polypyrrole/ZnO nanowires. The In2O3(More)
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