Centre for Nano Science and Engineering (CeNSE): Recent submissions
Now showing items 121-140 of 161
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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 ... -
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 ... -
Exploration of New Materials and Processes for Ion Sensitive Field Effect Transistors
Ion Sensitive Field Effect Transistors (ISFETs) find applications as front end transducers in the biomedical domain as a biosensor. The favourable characteristics of ISFETs like sensitivity, speed, miniaturization, easy ... -
Cricket Inspired micro Speakers
MEMS technology has ushered in a new era of miniaturized sensors and actuators. Many smart devices and systems are being developed using these sensors. Home automation is now a widespread reality owing to the development ... -
Self-referencing Techniques in Optical Label-free Bio-molecular Sensing
Measurement of molecular interactions is essential for fundamental biological studies as well as for the development of health diagnostics devices. Several label-free and labeled techniques to characterize and quantify ... -
Development and application of multi-photon microscopy in neuroscience and nanoscience
Neuroscience is at crossroads. Several interdisciplinary optical developments centred around nonlinear optical processes helps in better understanding of brain function at sub-micron and millisecond precision. Traditional ... -
Transport in Interfacial Systems: Biosensor, Polymer, Colloid & Bacteria
Life forms as we know emerged due to unique mechanical and transport properties exhibited by Soft Materials at interface. For instance, the interior of a cell is separated from outside environment by lipid bilayer which ... -
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 ... -
Exploring One-dimensional Micromechanical Resonators with Residual Stresses for Potential Sensing Applications and Measurement of Mechanical Properties
Recently the domain of microelectromechanical systems (MEMS) has seen an unprecedented rise in use of varieties of new materials other than the conventional silicon and related materials originally borrowed from semiconductor ... -
Electric Field Induced Phenomena: Mass Flow and Chemical Reaction-based Patterning
Numerous electric field induced phenomena have been studied, for long, at various length scales. In particular, a concentrated electric field applied across a conductor, or equivalently an electric current of very high ... -
Integration of Layered Materials with Group-III Nitride Semiconductors for Dual Band Photodetection
In many applications, simultaneous detection in two distinct bands, UV and IR regime is required. An instrumentation in which detection in both the bands achievable using single device would be highly desirable owing to ... -
Design and development of high speed optical modulator on silicon-on-insulator platform
Optical communication has transformed information technology and enabled the present-day data explosion. The new era of data centric society is primarily driven by the ability to communicate data at high-speed. Migration ... -
Conformal Electronics on Elastomers: Packaging Methods and Design Rules
Flexible Electronics is a multi-disciplinary domain that creates intersections among elec- tronics, materials-science, mechanics, packaging, sensor-design, etc., to build exible / stretchable / conformal electronic ... -
Structural, Magnetic and Electrical Studies of Multiferroic BiFeO3 and CuO Epitaxial Thin Films
The multiferroics are an important class of multifunctional material which simultaneously possess spontaneous ferroelectric polarization and magnetic ordering. If there exists a coupling between the ferroelectricity and ... -
Bright-field Nanoscopy
This thesis discusses the design and development of a technique which focuses on visualization of nanoscale structures using a regular bright-field optical microscope without the need of any additional fluorescent tags. ... -
Exploration of Materials and Platforms for the Development of a Label-free Electrochemical DNA Sensor
The aim of the studies presented in this thesis was to explore various materials and platforms for the detection of DNA in order to develop a cost-effective, repeatable and reproducible electrical/electrochemical DNA sensor. ... -
Energy Efficient Flexible Baseband Processing for Mobile and Cognitive Radios
Wireless communication has become an integral part of human life, and one of the dominating applications in today’s world. Mobile communication devices are the largest consumer electronic group in terms of volume. In 2007, ... -
Development of Cu-based Intermetallic Reflector Materials for Concentrated Solar Power Application
The growing demand for energy is an important issue for the existence and development of humankind. In order to reduce the impact of conventional energy sources on the environment, attention should be paid to the development ... -
Hardware-Software Co-Design Accelerators for Sparse BLAS
Sparse Basic Linear Algebra Subroutines (Sparse BLAS) is an important library. Sparse BLAS includes three levels of subroutines. Level 1, Level2 and Level 3 Sparse BLAS routines. Level 1 Sparse BLAS routines do computations ... -
Materials, Processes and Device Design for High Performance, Sub-thermionic MoS2 FETs
The shrinking of the field-effect transistor (FET), commonly termed CMOS scaling, has revolutionised the semiconductor industry and impacted most aspects of human life. However, this decades-long successful trend of scaling ...