The purpose of this research is to develop energy-efficient quantum dot (QD) dispersed PDLCs using varied concentrations of synthesised QDs. QDs are widely used in many applications, such as optoelectronics, photovoltaics, solar cells, and lasers. Unlike bulk materials, these semiconductor nanoparticles exhibit unique optical and electrical properties dictated by their size, shape, and quantum physics at the nanoscale. The dispersion of such QDs in PDLC mixtures may provide an efficient way to control the placement of QDs inside the polymer matrix and LC droplets. Metal-doped carbon quantum dots will be synthesised by a single-step hydrothermal route using different carbon sources, surface modifiers, and metal precursors. The resultant QDs will be filtered with the help of a suitable membrane, followed by freeze-drying of the samples at -80 °C. The dried carbon-based QDs will be characterised for their basic properties and dispersed in the polymer-LC mixture for the fabrication of PDLC cells. The surface anchoring energy of the polymer to the LC molecules will be controlled using different concentrations of QDs. Thus, the performance characteristics such as threshold and operating voltages, maximum and minimum transmittances, and contrast ratio of the QD dispersed PDLCs will be improved. Once the prototype QD dispersed PDLC cell is developed for smart windows and display applications, we will look for licencing collaborations with industries.
Selected as one of the top 13 Finalists of Novate+ 2022.
Won the Funding upto INR 2.5 Lacs
Participated in PEDA competition organized at IIT-Ropar on Innovative Ideas on the theme of Energy Conservation & Energy Efficiency during the celebration of Energy Conservation Week from 27th to 31st March 2023 in the State of Punjab.
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