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RESEARCH Synthesis and Characterization of Semiconductor Quantum Dots: Injection and non-injection synthesis of core and core/shell quantum dot structures (CdSe, CdSe/ZnS, CIS, CIS/ZnS etc), optoelectronic characterization, tuning of properties for photovoltaic and display applications. Nanofabrication Techniques: Top-down and bottom-up methods for processing nanowires (ZnO, Si, SiN, etc), charge transfer mechanisms at QD/NW interfaces, processing and characterization of graphene nanoparticles. Advanced Solar Cell Technologies: Development of material-specific fabrication processes for Si wafer-based and thin-film photovoltaic devices, prototyping, technology scaling, device characterization. Backplane Electronics for Flat Panel Displays: High speed backplanes with transistor circuits on spherical silicon, Development of hybrid transistor technology for pixel driving. Thin Films and Heterojunction Devices: Thinfilm deposition by RF-sputtering, PECVD, and LPCVD techniques (ZnO, Al-ZnO, a-Si, poly-Si, epi-Si etc.), formation of heterojunction for photovoltaic and photodetector applications. Quantum Dot-enabled Color-Patterning in Displays: Color-patterning by photon down-shifting quantum dots for micro-LED and OLED based displays, processes for nano-particle embedment and layer integration. Smart Circuits Design and Implementation: Design of smart circuits for energy management, back-end electronics for photovoltaic systems, hybrid renewable systems. Improved Lamination Materials for Photovoltaic Modules: Development of new lamination schemes with quantum dot-enhanced glass/laminate interfaces, studies on photon down-shifting, enhancement of performance and stability. Safety Aspects in Nanomaterials Processing: Studies of safety and toxicity issues in nanomaterial processing environments, methodologies for large-scale synthesis, and influence of materials choice.
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