Browsing Centre for Nano Science and Engineering (CeNSE) by Title
Now showing items 78-97 of 129
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Molecular Transport in Polyelectrolyte Multilayers
(2018-06-26)Layer-by-layer assembly of polyelectrolytes is a simple technique based on the self-assembly of polycations and polyanions mainly by electrostatic interactions, which has gained considerable scientific interest for its ... -
Multi-layered Composite Structures for Electromagnetic Interference Shielding Applications
With the recent surge in the usage of electronic devices, electromagnetic interference (EMI) poses a serious threat. Unwanted electromagnetic (EM) waves not only interfere with the normal functioning of electronic components, ... -
Multielectron Bubbles : A Curved Two-dimensional Electron System in Confinement
(2018-06-15)Electrons are weakly attracted to liquid helium due to the small but finite polarizability of helium atoms. However, they cannot enter the liquid unless their energy is more than 1 eV, due to the Pauli exclusion principle. ... -
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 ... -
Multiscale Modeling of Quantum Transport in 2D Material Based MoS Transistors
Atomically thin 2D materials have ushered in a new era in the fi eld of nano-science and tech- nology and have been translated to notable advancements in the design of sensors, optoelectronic devices, exible electronics. ... -
Nano-Scale Design, Fabrication, and Performance Evaluation of Organic Photovoltaic Devices
Organic photovoltaic devices have evinced interest due to the prospects of integrating strongly absorbing semiconducting polymers in flexible, light weight device platforms with ease of fabrication. However, there are ... -
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 ... -
Nanostructured Hybrids with Engineered Interfaces for Efficient Electro, Photo and Gas Phase Catalytic Reactions
(2018-07-18)Catalysis using nanostructures has been a topic of substantial interest for fundamental studies and for practical applications in energy and environmental sectors. The growing demand for production of energy and in the ... -
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 ... -
Neuro-electronic Hybrid Systems
Artificial neural networks have provided a powerful motif to implement extremely complex functions of high dimensional inputs like images and text. These are now being used to directly control robotic systems, to enable ... -
Next Generation High Electron Mobility Transistor based on InGaN Quantum Well Channel
In past two decades and more, III-N based high electron mobility transistors (HEMTs) have generally used GaN as the channel layer. During this period, the quest for operating it at higher frequencies has resulted in the ... -
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 ... -
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 ... -
On-Chip Optical Sensing Platforms
Sensing has become an important field of research because of its wide variety of applications, such as; chemical sensing, biomedical diagnostics, environmental gas monitoring and oil quality monitoring. This has spurred ... -
Optical and Electrical Studies of Hybrid Nanomaterial Composites Based on Noble Metal Nanostructures
Localized surface plasmon resonance (LSPR) in noble metal nanoparticles like gold (Au) and silver (Ag) results in enhancements in optical absorption and scattering by the nanoparticles, accompanied by a dramatic ... -
Optical and Optothermal route towards dynamic nanomanipulation in fluids
Manipulation of materials with light has led to significant breakthroughs in biology, material science and soft condensed matter physics. Conventional optical tweezer, which is effectively a tightly focused laser beam, can ... -
Organic-Inorganic Heterojunctions for Application in Perovskite Based Photovoltaics
Organic-inorganic lead halide perovskite solar cells (PSC’s) research has seen most notable progress in the field of photovoltaics (PV). The very first PSC was reported in the year 2009 with efficiency of 3.8%, which rapidly ... -
Oxide Semiconductors for Silicon Tandem Solar Cells
In tandem solar cells two or more solar cells share the solar spectrum. The structure consists of two sub-cells on top of each other, with the top cell absorbing the blue photons and the bottom cells absorbing the red ... -
Parametric Manipulation in 2D Material based NEMS Resonators
In this this thesis, I have studied dynamics of the two-dimensional (2D) material based NEMS resonators with resonant frequency ranging typically from 10 MHz to 100 MHz. The experiment involved fabrication of the ... -
Polyurethane based Self-healing Nanocomposites for Electromagnetic Interference Shielding Applications
An augmentation in the growth of modern electronics and telecommunication has led to an increase in electromagnetic interference (EMI) as its aftermath. Device malfunctioning, unwanted noise and radio leakage are the direct ...