Centre for Nano Science and Engineering (CeNSE): Recent submissions
Now showing items 41-60 of 133
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Raman and Brillouin Nonlinearities in High Power Fiber Lasers: Novel Effects and Applications
High power fiber lasers due to their immense utility in both industry and research divisions, have seen a dramatic level of power scaling in the last two decades. This is due to the superior beam quality, thermal handling ... -
Band-matched transport layers and intrinsically stable perovskite solar cells for application to perovskite Si tandem cells
Hybrid perovskite/silicon tandem solar cells offer low-cost alternatives to the commercially established silicon solar cells. In this thesis, we present the material and device optimizations of the subcells that can be ... -
Versatile sensing platform using silicon photonic microring resonators
Measurement of refractive indices of liquids and thin films can play an important role for chemical analysis in the fields of healthcare and biomedical research. There is a requirement of miniaturized refractive index ... -
Fabrication and Characterization of Nanostructured Antibacterial Surfaces
Bacterial antibiotic resistance is becoming wide spread due to the excessive and unregulated use of antibiotics in healthcare and agriculture. At the same time the development of new antibiotics has become slow. Adding ... -
Multiplexing Nanoplasmonic Sensors
Complex biological samples such as serum contain thousands of proteins and other molecules spanning up to 13 orders of magnitude in concentration. Present measurement techniques such as protein microarrays and quantum dot ... -
Normally off AlxGa(1-x)N/GaN devices: Materials, process and device architecture innovations
AlxGa(1-x)N/GaN HEMTs find applications in power electronics systems as high-frequency power switches. The formation of a highly mobile 2 dimensional electron gas (2DEG) at a heterointerface in an otherwise insulating wide ... -
Antibacterial Surfaces Mechanisms, Design and Development
The spread of disease-causing microorganisms through high-touch surfaces and their increased tolerance against antimicrobials and the host immune system is responsible for several fatal diseases. By the year 2050, Antimicrobial ... -
Investigation of Buffer Design and Carbon doping in AlGaN/GaN HEMTs for High Breakdown Voltages
III-nitride HEMTs are strong contenders for next-generation power electronic applications. The superior material and electrical properties render GaN-based transistors suitable for high-power switching. The material ... -
Nanopore Based Single-molecule Sensors
In the past two decades nanopores have been used as highly sensitive detection systems for exploring the properties of analytes at single molecule resolution. The small dimensions of a nanopore permit the molecule of ... -
Droplet Interface Oscillations using Electrowetting-on-Dielectric (EWOD) for Open-Chip Microfluidic Applications
Droplet manipulation on microfluidic platform has gained significant importance due to its applicability to various healthcare technologies, where larger equipment can be reduced to portable handheld systems based on ... -
Enabling Spectral Diversity in Fiber Laser Systems: Architectures and Applications
Nonlinear effects occur due to the modification of optical properties of a material medium by the presence of high intensity light such as lasers, resulting in the generation of new frequency components. The availability ... -
Nanostructured Metal Oxide Semiconductor Gas Sensor
Gas sensors play a vital role in today’s world; be it in pollution monitoring, breath analysis, food quality monitoring or in agriculture. A variety of methods are being explored to develop reliable gas sensor systems such ... -
Development of Nanomaterials as Antioxidant Enzyme Mimetics for Cellular Redox Homeostasis
Nanomaterials possess a myriad of potential in various biomedical fields such as cancer diagnostics, biosensing, imaging, immunoassay, drug delivery and therapeutics etc. In particular, the ability of the nanozymes to ... -
Integration of Functional Oxide Films on Semiconducting Substrates
System-on-chip (SoC) applications have attracted the attention of the modern community due to their ability to facilitate various functionalities within a single device which can meet the requirements of day-to-day life. ... -
Reconfigurable Accelerator for High Performance Application Kernels
Accelerating high performance computing (HPC) applications such as dense linear al- gebra solvers, mesh computations, stencil computations requires exploiting parallelism that is resident in loops. Typically these loops ... -
Internal resonances and nonlinearities in atomically thin resonators
The advent of carbon nanotubes (CNTs) and atomically thin membranes such as Graphene and layered transition metal chalcogenides (TMDs) have spurred research in the area of Nanoelectromechanical Systems (NEMS) due to their ... -
A Novel Algorithm-Architecture Co-Designed System for Dynamic Execution-Driven Pre-Silicon Verification
In EDA industry, design-under-test (DUT) is a pre-silicon digital design which is still undergoing testing phase. We perform functional-verification of a DUT to verify whether the DUT conforms to the specifications. Functional ... -
Resistive Switching and Electron Transport In Perovskite Oxide Thin Films
This work deals with the Resistive Switching (RS) properties of various perovskite oxides probed in a simple Metal - Insulator - Metal (M-I-M) configuration. The metals comprise of platinum which served as the bottom ... -
Graphene and Graphyne based three dimensional porous architectures
The main objective of the thesis is to introduce porous structure into graphene/graphene oxide materials and study their effects on various physics/chemistry related applications. Introduction of porosity may be achieved ... -
Towards Logic Circuit Applications Using Solution Processed CNTs
With Silicon transistor technology reaching its practical limits, e orts to replace Si with new materials with better electronic transport properties have gained considerable at- tention. Single-walled carbon nanotubes ...