1) New/ Upgraded Product
The use of NW represents a general approach to large area symmetrical NW growth to improve UV detector efficiency as well as the response time. Metal doping of the same will enhance efficiency and open the new window for biosensing fields.
2) New/ Up scaled Process
Symmetrical NW assembly can be simply grown on a large area of the substrate with the help of glancing angle deposition, GLAD technique for efficient, fast response UV detector and biosensor. It is very effective process to grow nanostructure, especially NW and nanoparticles on the substrate i.
e., directly on the electrode. This development allowed them to create the electron super freeways through the metal surface so, that they will be delivered directly to an electrode and thereby enhance the overall efficiency.
3) New/ Upgraded System
Recent work on UV detector has involved the exploitation of nanostructures to increase detector performance. NWs structure can be used to fundamentally alter the geometry for electron transport, or the design of device by greatly increasing light trapping and charge trapping.
ZrO? nanowire UV detector will be effective for high speed detector application. Moreover Metal doped ZrO? hetero-junction will be helpful for biosensing purposes too.
4) Feasibility Analysis
According to our knowledge the proposed work is a new work with unique synthesis technique of NW arrays using GLAD that can solve the efficiency problem of the UV detector and will be act as an efficient biosensor. We are expecting a highly efficient and first response MIS nanowire UV detector and biosensing device especially for cancer detection.
3.4 Environmental impact assessment and risk analysis. (Maximum ? page)
Zirconium Dioxide (ZrO2) is used in many applications for decades Zirconium Dioxide (Zirconia, ZrO2) is semiconducting material that also exhibits photocatalytic activity in the presence of light with an energy equal to or higher than its band-gap energy. These characteristics offers many applications. With the development of nanotechnologies ZrO2 nanoparticles, with numerous novel and useful properties are increasingly manufactured and used. For these reasons, and because of the relatively low price of the raw material and its processing, ZrO2 has gained widespread attention over recent decades. ZrO2 is one of the widely used metal oxides for potential bio-applications such as biosensors, cancer therapy, implants, dentistry due to its high mechanical strength and less toxicity and further study with their biological properties along with further possible application in pharmacology. [15]
4. Expertise:
4.1 Expertise available with the investigator in executing the project: ( Maximum 1page)
(Professional expertise existing with the investigator in terms of publications, Patents and preliminary results, to execute every component of the proposal should be highlighted)
Being an Electronics Engineer with 12 years academic and research experience, it is the opportunity for Dr. Mitra Barun Sarkar to act as PI for project. He was associated with Sensors & Nanotechnology Group, CSIR-Central Electronics Engineering Research Institute (CEERI) as project trainee during 2005-06. During that period he learned various device fabrication techniques such as Chemical Vapour Deposition (CVD), Thermal oxidation, LPCVD, PECVD and obtained sound knowledge on nanostructures, their properties, synthesis, different characterization and nanoelectronics devices. Since last six years he is associated with nanoelectronics laboratory of ECE department, NIT Agartala. He is currently lab in charge of Microelectronics/Nanoelectronics laboratory (I &II) of ECE department, NIT Agartala. Presently he is working in the field of nanostructured devices Particularly TiO2, In2O3, SiOX, ZrO2, HfO2 based optoelectronic devices and memory devices using E-Beam Evaporator, spin coater instrument. His current publication in SCI journals is related to fabrication of nanostructured devices for UV and visible light detection. His Ph.D. research topic was also related to exploring the properties of Indium (In) doped TiO2 and its application in optoelectronics.
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