Nikolay Dementev. Leader of Carbon Research Team in Borguet Group

Transcription

1 Nikolay Dementev Department of Chemistry Phone: Temple University Fax: Beury Hall 1901 North 13 th Street Philadelphia, PA BORN: July 6, 1973 CITIZEN: Russian Federation RESEARCH INTERESTS: Structure and properties of nanomaterials, especially molecular and photonic (fluorescence, absorption, ) interactions, with focus on carbon nanotubes and graphene. Materials science of carbon nanomaterials and applications in bio-chemical sensing, solar cells, and electrochemical studies. CURRENT PROJECTS: Identification and quantification of functional groups on carbonaceous materials (e.g., carbon nanotubes, carbon black,...) using Fluorescence Labeling of Surface Species (FLOSS). Effect of functional groups on the properties of carbon materials. Carbon nanopipettes: characterization of these submicron diameter tubes by spectroscopy (fluorescence microscopy, scanning probe microscopy, electrochemical methods); applications of carbon nanopipettes as nanoelectrodes in non-invasive electrochemical studies of biological cells. Near-IR and visible luminescence of carbon nanotubes; determine origin, and control parameters, of visible luminescence of carbon nanotubes for applications in bio-chemical sensing. Purification of CNTs from metallic catalyst and carbon impurities; identification and quantification of functional groups on purified carbon nanotubes by IR spectroscopy, FLOSS, temperature programmed desorption technique. Separation of single walled carbon nanotubes into metallic and semiconducting tubes. Development of efficient methods of large-scale production of graphene (single layer of graphite) EDUCATION Ph.D. Graduate student, Department of Chemistry, Temple University, Philadelphia, PA present Ph.D. Graduate student, Chemistry Department, Voronezh State University, Voronezh, Russia Master Degree in Chemistry (5 years of study), 1995 Voronezh State University, Voronezh, Russia PROFESSIONAL EXPERIENCE Leader of Carbon Research Team in Borguet Group 2005-present Mentorship for undergraduate students (4 to date) involved in carbon material research. 1

2 Manage collaborations with - Professor R. Giuliano s research group (Villanova University, fluorescence labeling projects) - Professor Y. Gogotsi s research group (Drexel University, the fluorescence labeling of carbon nanopipettes and the purification of carbon nanotubes projects) - Professor H. Bau s research group (University of Pennsylvania, the use of carbon nanopipettes in non-invasive electrochemical studies of bio-cells) Instrumentation teaching assistant Provide training and technical support for students and Temple University personnel 2007-present to use departmental instruments; writing manuals, tutorials and procedures; maintainance, troubleshooting and repair. Instruments under my supervision: - FTIR spectrometers (Mattson, Bruker) - HPLC (Hewlett-Packard) - GCMS (Hewlett-Packard) - UV-VIS-NIR spectrophotometers (Hewlett-Packard, Jasco) - Fluorimeters (Jasco, Horiba, PTI) - Ultra-high vacuum chambers - Scanning tunneling microscopes (Molecular Imaging) - Atomic-force microscopes (Molecular Imaging) - Potentiometers for electrochemical studies (CH Instruments) - Furnaces for the high temperature treatment of the materials Physical Chemistry teaching assistant 2007 Conducted Physical Chemistry recitation sessions and lab sessions for undergraduate students, grading. Supervisor of stainless steel passivation unit Voronezh Mechanical Plant, Voronezh, Russia. PUBLICATIONS Published 1. Purification of carbon nanotubes by dynamic oxidation in air Nikolay Dementev, Sebastian Osswald, Yury Gogotsi and Eric Borguet J. Mater. Chem., first published on the web 8 th September 2009, DOI: /b910217e, (2009) 2. Fluorescence Labeling and Quantification of Oxygen-Containing Functionalities on the Surface of Single-Walled Carbon Nanotubes Langmuir, 25, 13, (2009) 3. Chemical Labeling for Quantitative Characterization of Surface Chemistry Yangjun Xing, Current Opinion In Solid State & Materials Science 11(5-6), (2007) 2

3 4. Detection of Low Concentration Oxygen Containing Functional Groups on Activated Carbon Fiber Surfaces through Fluorescent Labeling Xue Feng, Nikolay Dementev, Wenguo Feng, Radisav Vidic, and Eric Borguet Carbon 44, 7, (2006) 5. Nonstoichiometry and solubility of impurity in In-doped PbTe films on Si substrates Samoylov, A. M., Buchnev, S. A., Dement'ev, N. N., Synorov, Y. V., Zlomanov, V. P. Materials Science In Semiconductor Processing,6, 5-6, (2003) 6. Effect of VO 2+ cation on the nitric acid oxidation of indium phosphide Mittova, I. Y., Soshnikov, I. M., Dement'ev, N. N., Ponomareva, S. A., Kashkarov, V. M. Inorganic Materials, 37, 1, 5-8 (2001) In preparation 1. Quantification of surface functionalities on multiwalled carbon nanotubes Nikolay Dementev, Richard Ronca and Eric Borguet (in preparation) 2. Identification and quantification of functional groups introduced by Fenton s reagent purification of Single Walled Carbon Nanotubes (in preparation) 3. Fluorescence quenching and energy transfer in fluorophore-carbon nanotube light-harvesting systems for solar cell applications. Nikolay Dementev; Chiu, C. F. and Eric Borguet. (in preparation). 4. Tuning the visible luminescence from single walled carbon nanotubes with applications in biochemical sensing. Nikolay Dementev; Chiu, C. F. and Eric Borguet. (in preparation). 5. Hybrid Organic-Inorganic-Single-Walled Carbon Nanotube fluorescence sensor for hydrogen 6. Nanotubes for synthis and investigation of materials under ultrahigh pressures: Fabrication and study of the high pressure stable tin II phase inside multiwalled nanotubes. 7. One-step decoration of single-walled carbon nanotubes with copper using chemistry of intrinsic metal impurities. PATENT APPLICATIONS 1. Purification of Single Walled Carbon Nanotubes by Dynamic Annealing Nikolay Dementev, and Eric Borguet US Provisional Application filed (No. 61/114,679) 3

4 CONFERENCE PRESENTATIONS 1. Identification and Quantification of Oxygen-Containing Functionalities on the Surface of Carbon Nanotubes by Fluorescence Labeling of Surface Species (FLOSS) Nikolay Dementev, Xue Feng, and Eric Borguet 69th Physical Electronics Conference New Brunswick, NJ June 16-19, Dynamic annealing: a route toward analytically pure carbon nanotubes. 215th Electrochemical Society Meeting San Francisco, CA May 24-29, Dynamic annealing: a route toward analytically pure carbon nanotubes. 215th Electrochemical Society Meeting San Francisco, CA May 24-29, Dynamic oxidation: An easily scalable technique to produce analytically pure carbon nanotubes Nanotech Conference and Expo 2009 Houston, TX May 3-7, Purification of SWCNTs by Dynamic Annealing Lab-to-Market Forum, Nanotechnology Commercialization Group Philadelphia, PA April 23, Thermal oxidation to produce carbon nanotubes free of carbon impurities The Philadelphia Section of the American Chemical Society Philadelphia, PA January 22, Recent achievements in the purification of carbon nanotubes: dynamic annealing in air. Thermal Analysis Forum of Delaware Valley, Annual Poster Session, Claymont, DE December 10, Controlling and Determining Purity of Carbon Nanotubes. Eastern Analytical Symposium & Exposition, Somerset, NJ November 17-20, Thermoanalysis as a tool for the evaluation of chemical composition, purity and purification protocols of carbon nanotubes (Invited Talk as a result of 1 st prize award at Annual Poster Session) Nikolay Dementev, Dmitry Kazachkin, and Eric Borguet Thermal Analysis Forum of Delaware Valley, Spring Symposium 2008, Conshohocken, PA March 18, Thermoanalysis as a tool for the evaluation of chemical composition, purity and purification protocols of carbon nanotubes Nikolay Dementev (1 st prize award), Dmitry Kazachkin, and Eric Borguet Thermal Analysis Forum of Delaware Valley, Annual Meeting and Poster Session, Claymont, DE December 6,

5 11. Fluorescence Labeling and Quantification of Oxygen-Containing Functionalities on the Surface of Carbon Nanotubes American Chemical Society Middle Atlantic Regional Meeting, Ursinus College, Collegeville, PA May 16-18, Determining Functionalities on the Surface of Carbon Nanotubes by Fluorescence Labeling American Chemical Society Meeting, the Philadelphia Section, La Salle University, Philadelphia, PA January 18, 2007 AWARDS 1. Has been awarded the Francis H. Case Fellowship. The award recognizes the outstanding research conducted by graduate students. The fellowship will provide the student with partial support for the Fall semester of August, Invited to present research at Thermal Analysis Forum of Delaware Valley, Spring Symposium March 18, st prize award for poster presentation at Thermal Analysis Forum of Delaware Valley, Annual Meeting and Poster Session, Claymont, DE December 6,