Saurabh Srivastava, PhD

Transcription

1 Saurabh Srivastava, PhD (Post-Doctoral Fellow) WATLab & Dept. of Chemistry, University of Waterloo, 200 University Ave. W., Waterloo, ON N2L 3G1 Contact: +1(226) Website: LinkedIn: RESEARCH INTERESTS Synthesis and characterization of transition metal oxide nanostructures Non-volatile memory (ReRAM) based on defect-rich metal oxide nanostructures to achieve high speed switching, low power consumption & extended device lifetime Single nanowire transistors Production of ultrasmall plasmonic nanoparticles using novel gas-phase aggregation technique for ultra-efficient photocatalysis Optimization of materials structure-property relationship SUMMARY OF SKILLS 7+ years of research experience in semiconductor nanomaterial synthesis and characterization for memory, catalysis, and gas sensing applications 5+ years of expertise in semiconductor nano-devices fabrication Clean room experiences with different electrical measurement tools Communicated, authored and co-authored many research papers in peer reviewed journals such as Nature Nanotechnology, Energy & Environ. Sci., ACS Nano, Advanced Electronic Materials etc. Received many research scholarships and awards Strong abilities to mentor/supervise junior fellow PhD and undergraduate students in the lab and great experience in collaborative projects Interdisciplinary research background of Materials Science, Chemistry and Physics Outstanding analytical skills with solution orientation to create new technologies EDUCATION Doctor of Philosophy, Ph.D. Chemistry (Nanotechnology), University of Waterloo, Waterloo, ON, September 2011-May 2016 Thesis: Defect-Rich Size-Selected Nanoclusters and Nanocrystalline Films of Titanium (IV) Oxide and Tantalum (IV) Oxide for Efficient Photocatalyst and Electroforming-Free Memristor Applications Thesis Supervisor: Prof. Kam Tong Leung Relevant courses: Bioelectronics, Surface Science and Nanotechnology, Nanomechanics and Computational Nano-mechanics, Solid State Physics and Chemistry, Electron Microscopy

2 Master of Technology, M.Tech. Materials Science, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India, July June 2011 Thesis: Bismuth oxide nanostructures by thermal evaporation and annealing of bismuth Thesis Supervisor: Prof. Chacko Jacob Relevant courses: Nanoscience and Nanotechnology, Semiconductor Devices and Properties, Polymer Chemistry, Ceramic Physics, Optical and Electronic Spectroscopy Masters of Science, M.Sc. (Course Based) Physics, Deen Dayal Upadhyay Gorakhpur University, Gorakhpur, Uttar Pradesh, India, July June 2007 Relevant courses: Quantum Mechanics, Atomic and Nuclear Physics, Electromagnetism, Thermodynamics, Electronics and Electrical Engineering. Bachalors of Science, B.Sc. (Course Based) Physics, Chemistry & Mathematics, Deen Dayal Upadhyay Gorakhpur University, Gorakhpur, Uttar Pradesh, India, July June 2005 RESEARCH EXPERIENCE Doctoral Researcher Synthesized defect-rich TiO x, TaO x, HfO x thin films and other nanostructures using PVD and PLD systems for non-volatile memories, and efficient photocatalysis Characterized the nanostructures using FESEM, AFM, TEM, SIMS, XPS, HR-XRD and Spectroscopes (UV-Vis, IR and Raman spectroscopy) to evaluate their physical and chemical properties Fabricated novel memory devices (Memristors) based on TiO 2 and Ta 2O 5 nanomaterials using photolithography, e-beam lithography and ion beam lithography tools for ultrafast computing systems Developed single nanowire/nanocluster FETs based on CuO and Cu 2O Analyzed the catalytic effects of TiO 2 and Ta 2O 5 and Pt nanostructures in water splitting and gas/chemical sensing applications Collaborated with lab mates in other projects such as DSSC and Polymer based solar cells Supervised junior PhD students and undergrad student on projects such as synthesis and applications of phase change materials Master s Researcher Synthesized Bi 2O 3 nanostructures grown on different Si substrates using thermal evaporation technique for gas (CH4 and CO) sensing applications Characterized the nanostructures using SEM, AFM, XRD, UV-Vis and PL spectroscopy to study their physical, chemical and optical properties. Determined electrical sheet resistance and carrier density using Four Probe and van der Pauw techniques. Developed chemical/gas sensors using as-deposited and annealed nanostructures Saurabh Srivastava +1 (226) Page 2 of 5

3 PUBLICATIONS (Citations: 110, h-index: 5) 1. Saurabh Srivastava, Joseph P. Thomas, Nina Heinig, K. T. Leung, Bipolar Memristors Based on Defect-Rich Ultrananocrystalline TiO x Film, (Manuscript Accepted, ACS Applied Materials & Interface, (IF: 7.504). 2. Saurabh Srivastava, K. T. Leung Programmable, Electroforming-free TiO x/tao x Heterojunction-Based Non-Volatile Memories, (Manuscript ready). 3. Saurabh Srivastava, Joseph Palathinkal Thomas, Nina F. Heinig, Marwa Abd-Ellah, Md. Anisur Rahman, K. T. Leung, Efficient photoelectrochemical water splitting on ultrasmall defect-rich TaO x nanoclusters enhanced by size-selected Pt nanocluster promoters, Nanoscale, 2017, 9, (IF: 7.367) 4. Marwa Abd-Ellah, Nafiseh Moghimi, Joseph P. Thomas, Saurabh Srivastava, K. T. Leung, Plasmonic Gold Nanoparticles for ZnO-Nanotube Photocathode in Dye- Sensitized Solar Cell Application, Nanoscale, 2016, 8, (IF: 7.367) 5. Marwa Abd-Ellah, Samad Bazargan, Joseph P. Thomas, Md Anisur Rahman, Saurabh Srivastava, Xiongyao Wang, Nina F. Heinig and K. T. Leung, Hierarchical Tin Oxide Nanostructures for Dye-Sensitized Solar Cell Application, Advanced Electronic Materials, 2015, 1, (1-6). (IF: 4.190) 6. Md Anisur Rahman, Samad Bazargan, Saurabh Srivastava, Xiongyao Wang, Joseph P. Thomas, Nina Heinig, Debabrata Pradhan, K. T. Leung, Defect-rich One-dimensional TiO 2 Nanostructures for Enhanced Photoelectrochemical Water Splitting Driven by Visible Light, Energy & Environmental Science, 2015, 8, (IF: ) 7. Nafiseh Moghimi, Fatemeh Rahnemaye Rahsepar, Saurabh Srivastava, Nina Heinig and Kam Tong Leung, Shape-dependent magnetism of bimetallic FeNi nanosystems, J. Mater. Chem. C (2014), 2, (IF: 5.256) 8. Joseph Palathinkal Thomas, Saurabh Srivastava, Liyan Zhao, Marwa Abd-Ellah, Donald McGillivray, Jung Soo Kang, Md. Anisur Rahman, Nafiseh Moghimi, Nina F. Heinig, and K. T. Leung, Reversible Structural Transformation and Enhanced Performance of PEDOT:PSS-Based Hybrid Solar Cells Driven by Light Intensity, ACS Applied Materials & Interfaces, 2015, 7, (IF: 7.504) 9. Saurabh Srivastava, Joseph Palathinkal Thomas, Md. Anisur Rahman, Marwa Abd- Ellah, Mamata Mohapatra, Debabrata Pradhan, Nina F. Heinig and K. T. Leung, Sizeselected TiO 2 nanocluster catalysts for efficient photoeletcrochemical water splitting, ACS Nano 2014, 8, (IF: ) Saurabh Srivastava +1 (226) Page 3 of 5

4 CONFERENCE PRESENTATIONS 1. Materials Research Society Meeting (MRS), March 28 - April 1, 2016, Phoenix, AZ, USA 2. Nano Ontario, Nov 5-6, 2015, University of Ottawa, Ottawa, ON, Canada 3. Materials Research Society Meeting (MRS), April 6-10, 2015, San Francisco, CA, USA 4. Symposium on Chemical Physics (SCP), Nov 7-9, 2014, University of Waterloo, Waterloo, ON, Canada 5. Nano Ontario, Nov 6-7, 2014, University of Windsor, Windsor, ON, Canada 6. International Symposium on Materials Education (ISME), March 26-28, 2011, Pune 7. International Conference on Fundamental and Applications of Nanoscience and Nanotechnology (ICFANT), December 9-11, 2010; Jadhavpur University, Kolkata, India AWARDS/FELLOWSHIPS Bruker BioSpin Award ($1000), Bruker BioSpin Ltd. and Guelph-Waterloo Centre, ON, Best Poster Award ($100), (GWC) 2 Annual General Meeting, University of Guelph, ON, Graduate Research Scholarship ($16,000/year), University of Waterloo, Waterloo, ON, Sept 2011-April International Doctoral Student Award ($10,000/year for 4 years), University of Waterloo, Waterloo, ON, Sept Aug Science Graduate Experience Award ($2,500/year for 4 years), University of Waterloo, Waterloo, ON, Sept Aug International Bursary Award ($1,000), Canadian South Asian Club, Waterloo, ON, Aug Graduate Aptitude Test in Engineering Fellowship ($1,750/year for 2 years), Department of Science and Engineering, India, July 2009-June Junior Research Fellowship in National Eligibility Test ($3,500/year for 1.5 years), Council of Scientific and Industrial Research, India, Dec 2009-June Lectureship Award in National Eligibility Test, Council of Scientific and Industrial Research, India, Dec Saurabh Srivastava +1 (226) Page 4 of 5

5 TEACHING EXPERIENCE Teaching Assistant, University of Waterloo, Waterloo, ON, Sept 2011-May 2016 Demonstrated organic, inorganic and analytical chemistry lab techniques in courses CHEM 120L, 123L and 140L as well as assisting 100+ students during their lab experiments and grading their lab reports. Marked 200+ students reports in the second year thermodynamics course (CHEM 254). Supervised third year physical chemistry lab (CHEM 350L) using spectroscopy techniques and marked the reports. Proctored all the midterms and final exams of all the labs mentioned above. Teaching Assistant, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India, July 2009-June 2011 Facilitated the electrical and electronic labs for first and second year undergraduate courses. Proctored the midterm and final exams and marked the lab reports for 70+ students. Professional training/certificates Teaching Assistant Workshop, University of Waterloo Fundamental of University Teaching, University of Waterloo Compressed gas, Laser and biosafety Training, University of Waterloo Gas welding, Lathe and CNC machining workshop, Indian Institute of Technology Kharagpur VOLUNTEER EXPERIENCE Volunteered for ALL SCIENCE CHALLENGE for school kids organized in the university Judged Science Fair for School Kids organized by university Actively participated in Canada Day Celebration Served in the orphanage kids education program Saurabh Srivastava +1 (226) Page 5 of 5