Expert in Cost-Effective Clean Energy-Based Technologies, Small Molecules, Polymers, Nanomaterials; Quality Management
Expert ID: 736602 Georgia, USA
Semiconductor nanocrystals (Quantum dots, nanorods, Tetrapods, perovskites): Expertise-Heavy metal free and heavy metal- based nanocrystals, core-shell materials, shaped nanostructures, doped nanostructures, (Air-free synthesis); Industrial Applications- LED displays, Solid state lighting, Solar cells, Medical imaging devices, Biomarkers
Nanoparticles: Expertise- Metals, alloys, core-shell, oxides, rare earth materials; Industrial Applications- Printed electronics, RFIDs, photocatalytic light harvesting, transparent conductors
Polymers: Expertise- Alkyds, polyamines, polyesters, acrylates, epoxy resins; Industrial Applications- Thin film coatings, paints, Opto-electronic adhesives
Phosphors: Expertise- Solid state doping reactions; Industrial Applications- Solid state lighting, displays
Organic materials: Expertise- mall molecules, oligomers, metal catalyzed cyclization reactions; Industrial Applications- OLED materials, 2D structures, catalysis
Nanomaterials, nanocomposites: Expertise- Conductive inks, LED formulations, nanocomposite formulations, thin film coating formulations for inkjet/aerosol jet printing; Industrial Applications- Printed electronics, solar cells, Colour conversion sheets, Imaging screens
Luminescent materials: Expertise- Colour conversion sheets, LEDs-QLEDs, OLEDs and PCLEDs, solar cells; Industrial Applications- Colour conversion sheets, solid state lighting devices, displays, imaging screens
Polymers: Expertise- Resins, Nanocomposite formulations; Industrial Applications- Paints, coatings, thin flexible films, polymer nanocomposites for 3D printing, inkjet printing
Scientific Analytical Techniques
Spectroscopy Materials Characterization: Expertise- UV-Visible, FTIR, NMR, SEM, TEM, XRD, GCMS, HPLC, Chromatography and XRD; Industrial Applications- Solid state lighting, display, coatings
Device Design and Development
LEDs, Instrumentation/process design and software development: Expertise- Nanostructures-based LEDs, Spectrophotometric analytical devices, 3D printing of polymer nanocomposites, VB Coding, AI, Machine learning; Industrial Applications- Automotive LED fixtures, Analytical device for industrial concrete admixtures
Industrial Grants Procurement
Small Business Innovative Research Grants: Expertise- Proposal writing, Technical research report writing, Research project management; Industrial Applications- SBIR product/process development, scale-up and commercialization
Research & Development, Scale-up: Expertise- Principal Investigation, Project Management Planning and Implementation, Technical Work Plan and Execution, Technology Transfer, DOE (Minitab), Presentations, MS Office, Chemdraw; Industrial Applications- Procurement of multimillion-dollar industrial grants, Product/Process Commercialization
QMS development and implementation towards successful ISO certification, QMS Auditing: Expertise- QMS Leading/training, Implementation, Auditing, internal auditing, KPIs, CARs, APQP, Management Reports, Internal Audit Reports, Continuous Improvement; Industrial Applications- ISO/lean management certified industrial facilities
High volume (As high as 50 tonnes per week) manufacturing management (cGMP) of chemicals, nanomaterials, polymers, and LED components: Expertise- Industrial scale-up of synthesizing nanomaterials and polymers, Manufacturing Process Development & Implementation, Automation (PLC), Process Trouble-shooting, Root cause analysis, High Volume Manufacture of Resins through Polymerization, Planning, Training, Supervising, and Managing Shop-floor activities, Cost Control, Risk Management and Preventive Maintenance; Industrial Applications- Scale-up/High volume production management of polymers, coating materials, phosphors, nanomaterials and LED components involving inter-disciplinary teams dealing with automated commercial scale reactors, blenders, furnaces, filter machines cooling tanks, etc.
Taught lab sessions and review classes for General Chemistry and Organic Chemistry courses
Collaborated on curriculum and exam development
Graded all written work including final exams
Available for panels, in depth interviews, and surveys only.
|Year: 2007||Degree: MS||Subject: Chemistry||Institution: University of Vermont|
|Year: 1996||Degree: M.Sc.||Subject: Chemistry||Institution: Madras Christian College|
|Year: 1994||Degree: B.Sc.||Subject: Chemistry||Institution: Madras Christian College|
|Years: 2011 to Present||Employer: Undisclosed||Title: Senior Materials Scientist/Quality Manager||Department: R&D, Quality, Manufacturing||Responsibilities: Principal Investigator of Department of Transportation sponsored project involving development and commercialization of novel technology/instrument for analysis of surfactant adsorption capacity of concrete admixtures and building materials.
Wrote research proposals, technical reports with team and successfully procured/completed several U.S government agencies sponsored SBIR projects (Value of Grants: $4 million dollars over the past 7 years)
Initiated, developed, and implemented ISO QMS system and represented successfully as the management representative in ISO certification audits and successfully procured ISO certification.
Developed solid state lighting, display, bio-medical imaging and photo-catalytic devices using novel semi-conducting nanomaterials
Synthesized quantum dots, novel nanorods of varied compositions, incorporated these materials in polymers and demonstrated stable luminescence for lighting applications and increased x-ray scintillation for x-ray imaging applications
Developed and demonstrated novel nano-structured photo-catalytic material system capable of converting carbon dioxide to fuel gas in highest reported yields
Working on manufacturing cost control for nanomaterials and involved in building partnership with new industrial customers for application development with novel nanomaterials
Involved in process optimization, scale-up, product launch, quality control and commercialization of phosphors for novel flexible colour conversion sheets
|Years: 2008 to 2011||Employer: UT Dots Inc.||Title: Research Scientist||Department: R&D, Manufacturing||Responsibilities: Research and Development involving metal and metal oxide nanoparticles
Developed methodologies for synthesizing nickel, platinum, iron oxide, copper-nickel and iron-platinum nanoparticles and air-stable copper nanoparticles
Modified processes and equipment (flow, batch and chemical aerosol flow systems) to facilitate large scale production of quantum dots, gold, silver, copper, iron oxide, iron-platinum and nickel nanoparticles with tuneable properties
Developed soluble formulations involving metal nanoparticles, polymeric binders and single walled carbon nanotubes and tested thin film properties on various substrates such as polycarbonate, glass, PET, PMMA and paper.
Involved in developing printing methods involving ultrasonic atomization
Assisted in writing/submitting research proposals, technical reports for government funded projects
Manufacturing metal Nanoparticles
Manufactured silver and gold nanoparticles through reduction reactions(10 – 200 grams per week), formulated and shipped as conductive inks for applications in printable electronics
Involved in design and development of high-volume production and printing systems for nanomaterials and conductive inks
Involved in conference calls, company meetings with potential customers and in equipping/maintaining/improving new UT Dots lab to facilitate synthesis of nanomaterials
Wrote standard operating procedures for manufacturing metal nanoparticles and formulating conductive inks for various plastic substrates
Trained new team members with diverse professional experience in production activities
Analysed expenses involved in scaling up novel synthetic methodologies to commercial scales to ensure development of cost-effective methodologies for manufacturing nanomaterials
Successfully re-cycled precious metals back to precursors to cut down production costs
|Years: 2006 to 2008||Employer: QD Vision Inc.||Title: Staff Chemist||Department: R&D, Manufacturing||Responsibilities: Production of quantum dots
Optimized synthetic process scale-up methods, wrote standard operating procedures and synthesized indium phosphide, cadmium selenide and cadmium sulfide nanocrystals (cores and core-shells) up to 8 grams per week
Planned and coordinated production development and production activities along with the team
Maintained production records and chemical inventory
Research and Development involving quantum dots for display devices
Developed novel synthetic methods for the synthesis of cadmium free semiconductor nanocrystals with excellent luminescent properties for the development of quantum dot light emitting diodes
Developed methods for purifying nanocrystals from the crude reaction mixture (including size - selective precipitation) in large scale reactions
Presented progress in research in group meetings and scientific advisory board meetings
Co-authored patent disclosure submissions
Interviewed prospective candidates for Q.D vision chemistry team
|Years: 1997 to 1999||Employer: Asian Paints India Limited||Title: Supervisor-Chemist||Department: Manufacturing||Responsibilities: Supervisor-Chemist in the ISO 9001 certified Production Plant of Asian Paints India Ltd. (currently Asian-PPG), Patancheru, Andhra Pradesh, India (May, 1997 – August, 1999)
Manufactured alkyd resins (starting from polyols), polyesters, formaldehyde based amino resins, acrylic resins etc. through polymerization using reactors of capacities ranging between 1.5 and 10 tonnes
Optimized manufacturing process for newer formulations of resins in newly built automated reactors equipped with programmable logic control (PLC) systems
Implemented process modifications by trouble-shooting resin process control parameters using pilot-scale reactors and worked as a dedicated chemist for batch processing resins used in industrial coatings
Contributed towards successful implementation of ISO 9001 procedural standards in production management with continuous focus on process improvement, maximum productivity and cost minimization
Trained, supervised and managed production activities of production operators and contract employees
Took critical rapid independent process related decisions
Contributed actively to successfully reach monthly resin production targets up to 650 tonnes
|Years: 2001 to 2006||Employer: University of Maryland/University of Vermont||Title: Graduate Teaching/Research Assistant||Department: Education||Responsibilities: Academic Research Experience
Research Assistant for VT-EPSCoR sponsored project “Synthesis of Extended Conjugated Structures – Cascade Cyclization of oligo(o-phenylene ethynylenes)” with Dr. Thomas Hughes, Department of Chemistry, University of Vermont, Burlington (2007)
Synthesized 6-(4'-nitrophenyl)benzo[a]fluorene-11-one through a novel synthetic method and characterized the product
Synthesized models for novel extended conjugated compounds which can be potential organic semiconductors
Synthesized, purified and characterized various small molecules using common wet chemistry techniques
Studied the effect of amiodarone on the activity of the enzyme, alkaline phosphatase in the kidney of rats
Found that the decrease in activity of alkaline phosphatase in kidney was due to tissue damage and leakage of alkaline phosphatase from damaged tissue into serum
|Awards / Recognition|
|Successfully procured the Department of Transport (DOT) funded Phase II Grant ($500,000) and led the work towards developing a novel portable prototype analytical instrument to measure adsorption capacity of building materials. Recently, this novel device technology has been given a technology readiness level rating of 5 and awarded Phase IIB Grant by DOT.
Successfully developed and fully implemented the Quality Management System and procured ISO certification for the growing Manufacturing facility.
Worked/led technical research/scale-up/commercialization activities on several successful SBIR Grants (Total value > $3 million) from Department of Energy for projects involving Plasmonics, nanocrystals and advanced luminescent materials in phosphor-converted solid-state lighting and solar fuels. The light extraction technology developed through these efforts has resulted in successful commercialization of novel colour conversion products (for LEDs).
Successfully completed SBIR Phase I and procured Phase II ($1,000,000) HHS research Grant. The work from these studies has resulted in understanding the underlying technology towards significantly improving the lifetime of nanomaterials-based LED device technology.
Awarded patent for the work at QD Vision involving heavy-metal free nanocrystals (Quantum Dots) for LED display applications. This work was part of a pioneering effort by a small start-up team at QD Vision towards demonstrating the importance of quantum dots technology (popularly now known as QLED Technology) in the TV/display industry.
Developed scalable synthetic and formulation methods involving nanoparticles (metals, metal oxides, alloys) for conductive inks at UT Dots. These efforts have resulted in UT Dots’ demonstration of nanometal based inks of high conductivity at low curing temperatures for applications in printed electronics.
Chosen as a dedicated chemist for optimizing process and manufacturing resins used in paints for customized industrial applications. These projects involved manufacturing process development and implementation for industrial polymers (with customized properties) involving newly designed/built PLC controlled reactor systems of capacities as high as 10 tonnes
Best First-Year Graduate Chemistry Teaching Assistant Award recipient for the academic year at University of Vermont
Research Assistantship Award recipient sponsored by VT- EPSCoR at University of Vermont
Indian President’s Award recipient for Boy Scouts
|Publications and Patents Summary|
Fields of Expertise
• Quality Management System (QMS) implementation, 1-decanol, 1-octanal, 1-octene, 1-octanol, 2,3-butanediol, 3D printing, absorbance, absorbent material, absorption, accelerated testing, acrylic adhesive material, acrylic coating material, carbon nanotube, advanced composite forming, nanocomposite, nanocrystalline coating material, nanocrystalline ceramics, chemical synthesis, nanoparticle, polymer, photocatalysis, photochemical solar energy conversion, solar energy, energy-efficient lighting system, LED lighting, analytical chemistry instrument, optical characterization, optical coating material