Supramolecular chemistry - chemistry of non-covalent bonds including different type of intermolecular interactions viz., ion-pairing, ion-dipole, dipole-dipole, hydrogen bonding, cation-π and Van der Waals forces. Applications based on supramolecular concepts for developing cata…
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In this dissertation, we investigated a vapor-liquid-solid (VLS) synthesis of high-density lead sulfide (PbS) NW arrays and nano pine trees directly on Ti thin films, and a fabrication of photovoltaic devices based upon the PbS NWs. The as-grown NW arrays are largely vertically …
Resonant coupling of localized surface plasmon resonances (LSPRs) in noble metallic nanostructures to incident radiation and the related subject of localized behavior of electromagnetic waves are currently of great interest due to their potential application to sensors, biochemi…
Thin film cadmium telluride (CdTe) technology is the most important competitor for silicon (Si) based solar cells. Pulsed direct current (DC) magnetron sputtering is a new technique has been developed for thin film CdTe deposition. This technique is industrially scalable and pro…
New thin-film solar cell materials and a greater understanding of their properties are needed to meet the urgent demand for sustainable, lower-cost and scalable photovoltaics. Computational techniques have been used to investigate Cu2ZnSnS4, CuSbS2 and CuBiS2 , which are potenti…
Solar photovoltaic modules provide clean electricity from sunlight but will not be able to compete on an open market until the cost of the electricity they produce is comparable to that produced by traditional methods. At present, modules based on crystalline silicon wafer solar…
Recent studies suggest that the performance of dye-sensitised solar cells (DSC) has appeared to have reached a limit, therefore solar cells based on semiconductor materials, such as extremely thin absorber (ETA) solar cells and tandem solar cells are currently the subject of int…
The relatively high cost of the high quality semiconductor materials (typically silicon) and complex conventional techniques for the fabrication of solar cells result in the overall high cost of the commercially available solar cells. Although, research in the field of solar tec…
Currently single crystal Si dominates the high performance (∼ GHz), low footprint micro-electronics applications such as computing and communication, while amorphous Si (a-Si) dominates the lower performance (∼ 1-10 kHz), large area macro-electronics applications such as display…
Degradation of the solar cell over the time under different mechanical and loading during the manufacturing or use is one of the most common problems in the solar industry. One of the major reasons for this degradation is the cracks and/or film damage of one of the conductive la…
This thesis research focuses on developing a hybrid form of solar cell based on zinc(hydr)oxide and its composites with graphite oxide, TiO 2 , quantum dot, electrolyte and this work expands upon the Gratzel solar cell with a dye in TiO2 . Due to various structural and optical c…