people

Associate Professor, Physical Chemistry and the Director of Graduate Studies
Department of Chemistry and Biochemistry 
University of Delaware
Newark, DE 19716

Phone: (302) 831-1969
Fax: (302) 831-6335

e-mail:andrewt@udel.edu
Education
(b. 1970), B.S., 1992, Moscow State University;

M.S., 1993,  Ph.D., 1997, Columbia University;

Postdoctoral Fellow, 1997-1998, New York University

Fields of Specialization: Physics and chemistry of materials and interfaces, surface physical chemistry, product identification and separation, applied catalysis, reactions on metal and semiconductor surfaces, plasma assisted interface processes. 

 

Research Experience:

1996-1998 Postdoctoral research with Prof. Stacey Bent (New York University). This research was related to physical and chemical properties of semiconductor surfaces. 

1992-1996 Doctoral research with Prof. Brian Bent (Columbia University). This research was focused on the reactions of hydrocarbons and halohydrocarbons on single crystal metal surfaces. 

1990-1992 Undergraduate research with Prof. Igor Beckman (Moscow State University, Division of Chemical Engineering and A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russia). This research was related to integrated polymeric membrane-moving liquid modules for gas separation and purification. 

1988-1990 Undergraduate research with Prof. Eduard Filatov (Moscow State University, Division of Radiochemistry). The research involved applied radiochemistry and radiotracer techniques for studies of the reactions of hot tritium atoms with solid organic substrates. 

 

Professional Memberships:

Mendeleev Chemical Society (Russia) 

American Chemical Society (USA) 

American Vacuum Society (USA) 

Sigma Xi (Columbia University Chapter, NY, USA) 

Awards:

Best undergraduate project in physical chemistry section. Moscow State University, 1992. 

Diploma with excellence of Moscow State University, 1992. 

Columbia University Pegram Award for the meritorious achievement by graduate students in their progress toward the Ph. D., 1996 

 

Field Research Experience:

1. Summer 1989: Radiochemical Pollution in Far East (joint project of Institute of Oceanography and Moscow State University); 

2. Summer 1991: Pollution of Black Sea (Moscow - Istanbul; Moscow State University) 
 

Professional Activities:

General User, National Synchrotron Light Source, Brookhaven National Laboratory (1993-present)

Member of Center for Catalytic Science and Technology at the University of Delaware (1998-present)

Chair of a Physical Chemistry session on the 219th National Meeting of the American Chemical Society (San Francisco, 1999)
Chair of a Surface Science session on the 47th National Meeting of the American Vacuum Society (Boston, 2000)
Organizer of the symposium series entitled "Chemistry of Carbonaceous Materials" at the National Meeting of the American Chemical Society (New Orleans, 2003; San Diego 2005).
Over 50 presentations were given since 1993, over 25 of them invited.
Over 20 other presentations co-authored by Dr. Andrew V. Teplyakov were delivered by students and postdoctoral fellows in his group and in research groups involved in collaborative investigations. These oral and poster presentations were given on national meetings of the American Chemical Society and the American Vacuum Society, Middle Atlantic Regional Meetings of the American Chemical Society, Annual Reviews of the Center for Catalytic Science and Technology at the University of Delaware.
 
 

List of Publications

54. Zhang, X. and Teplyakov, A. V. Adsorption of C60 Buckminster fullerenes on an 11-amino-1-undecene covered Si(111) substrate. Submitted to Langmuir.

53. Leftwich, T. R. and Teplyakov, A. V. Chemical manipulation of multifunctional hydrocarbons on silicon surfaces. Invited review, accepted to Surf. Sci. Rep.

52. Rodríguez-Reyes, J. C. F. and Teplyakov, A. V. Chemistry of organometallic compounds on silicon: The first step in film growth. Invited Concept Paper to Chemistry – A European Journal. Web-published: DOI: 10.1002/chem.200700856

51. Rodríguez-Reyes, J. C. F. and Teplyakov, A. Cooperative effects in nitrogen insertion processes: Thermal transformation of NH3 on a Si(100) surface. Phys. Rev. B. 2007, 76, 075348-1-075348-16

50. Rodríguez-Reyes, J. C. F. and Teplyakov, A. V. Surface transamination reaction for tetrakis(dimethylamido)titanium with NHx -terminated Si(100). Accepted to J. Phys. Chem. C.

49. Rodríguez-Reyes, J. C. F. and Teplyakov, A. V. Chemistry of diffusion barrier film formation: Adsorption and dissociation of tetrakis-(dimethylamino)-titanium on Si(100)-2x1. J. Phys. Chem. C. 2007, 111(12), 4800-4808.

48. Ni, C.; Zhang, Z.; Wells, M.; Beebe, T. P., Jr.; Pirolli, L.; Méndez De Leo, L. P., and Teplyakov, A. V. “Effect of Film Thickness and the Presence of Surface Fluorine on the Structure of a Thin Barrier Film Deposited from tetrakis-(dimethylamino)-titanium onto a Si(100)-2x1 Substrate.” Thin Solid Films 2007, 515, 3030-3039

47. Pirolli, L. and Teplyakov, A. V. Adsorption and Thermal Chemistry of 1,1,1,5,5,5,-hexafluoro-2,4-pentanedione (hfacH) and (hexafluoroacetylacetonate)Cu (vinyltrimethylsilane) ((hfac)Cu(VTMS)) on TiCN-covered Si(100) Surface. Surf. Sci. 2006, 601, 155-164.

46. Méndez De Leo, L. P.; Pirolli, L. and Teplyakov, A. V. “Chemistry of 1,1,1,5,5,5-hexafluoro-2,4-pentanedione on Si(100)-2x1.” J. Phys. Chem. B 2006, 110, 14337-14344.

45. Pirolli, L. and Teplyakov, A. V. “Molecular View of Copper Deposition Chemistry: (hexafluoroacetylacetonate)Cu(vinyltrimethylsilane) on a Si(100)-2x1 Surface.” Surf. Sci. 2006, 600, 3313-3320.

44. Bocharov, S.; Dmytrenko, O.; Méndez De Leo, L. P. and Teplyakov, A. V. “Azide Reactions for Controlling Clean Silicon Surface Chemistry: Benzylazide on Si(100)-2x1.” J. Am. Chem. Soc. 2006, 128, 9300-9301.


43. Méndez De Leo, L. P. and Teplyakov, A. V. “Nitro Group as a Means of Attaching Organic Molecules to Silicon: Nitrobenzene on Si(100)-2x1.” J. Phys. Chem. B 2006, 110, 6899-6905.

42. Pirolli, L. and Teplyakov, A. V. "Vinyltrimethylsilane (VTMS) as a Probe of Chemical Reactivity of a TiCN Diffusion Barrier-Covered Silicon Surface." J. Phys. Chem. B. 2006, 110, 4708-4716.

41. Pirolli, L. and Teplyakov, A. V. Complex Thermal Chemistry of Vinyltrimethylsilane (VTMS) on Si(100)-2´1. J. Phys. Chem. B 2005, 109(17), 8462-8468.

40. Watras, M. J. and Teplyakov, A. V. An Infrared and Computational Investigation of Vanadium-Substituted Keggin [PVnW12-nO40](n+3)- Polyoxometallic Anions. J. Phys. Chem. B 2005, 109(18), 8928-8934.

39. Bocharov, S.; Zhang, Z.; Beebe, T. P., Jr., and Teplyakov, A. V. Structure of a thin barrier film deposited from tetrakis-(dimethylamido)-titanium onto a Si(100) substrate. Thin Solid Films 2005, 471, 159-165.

38. Bocharov, S. and Teplyakov, A. V. Adsorption, ordering, and chemistry of nitrobenzene on Si(100)-2x1. Surf. Sci. 2004, 573, 403-412.

37. Bulanin, K. M.; Kong, M. J.; Pirolli, L.; Mathauser, A. T. and Teplyakov, A. V. Adsorption and thermal decomposition of diethyaluminum hydride on Si(100)-2x1.  Surf. Sci. 2003, 542, 167-176.

36. Wingrave, J. and Teplyakov, A. V. Infrared spectrometer attachment assembly for use with vacuum and high-pressure cells. J. Vac. Sci. Technol. A 2003, 21(5), 1800-1801.

35. Bocharov, S.; Mathauser, A. T. and Teplyakov, A. V. Adsorption and Thermal Chemistry of Nitroethane on Si(100)-2x1. J. Phys. Chem. B. 2003, 107, 7776-7782.

34. Dmitrenko, O.; Huang, W.; Polenova, T. E.; Francesconi, L. C.; Wingrave, J. A. and Teplyakov, A. V. Effect of Cations in Infrared and Computational Analysis of Vanadium-Containing Six-Coordinate Oxotungstates.  J. Phys. Chem. B. 2003, 107, 7747-7752.

33. Bocharov, S. and Teplyakov, A. V. Spectroscopic Evidence for Hydrogen Diffusion through Several-Nanometers-Thick Titanium Carbonitride Layer on Silicon. J. Am. Chem. Soc. 2003, 125, 7196-7197.

32. Mathauser, A. T. and Teplyakov, A. V. The effects of surface poisoning by HCl on cyclization processes on a Cu3Pt(111) surface. Surf. Sci. 2003, 523, 37-47.

31. Müller, T.; Flynn, G. W.; Mathauser, A. T.; Teplyakov, A. V. Temperature-programmed desorption studies of n-alkane derivatives on graphite: Desorption energetics and the influence of functional groups on adsorbate self-assembly. Langmuir 2003, 19, 2812-2821.

30. Bulanin, K. M.; Shah, A. G.; Fitzgerald, D. R.; Doren, D. J.; Teplyakov, A. V. Kinetically-favored adsorbate ordering: Hydrogen and iodine on the Si(100)-2x1 surface. J. Phys. Chem. B 2002, 106, 7286-7289.

29. Bulanin, K.; Shah, A. and Teplyakov, A. V. Infrared spectroscopy studies of iodoethane on Si(100)-2x1: Adsorption and thermal decomposition leading to adsorbate ordering. J. Chem. Phys. 2001, 115(15), 7187-7195

28. Mathauser, A. T. and Teplyakov, A. V.  Naphthalene formation on Cu3Pt(111): dehydrocyclization of  4-phenyl-1-butene. Catal. Lett. 2001, 73(2-4), 207-210.

27. Mathauser, A. T.; He, H.; and Teplyakov, A. V.  Adsorption and thermally induced reactions of halocyclohexanes on a Cu3Pt(111) surface. Surf. Sci. 2001, 479, 213-223. 

26. He, H.; Mathauser, A. T.; and Teplyakov, A. V.  Self-Limiting Heterogeneous Reactions: Bifunctional Hydrocarbon on a Bimetallic Alloy Surface. J. Phys. Chem. 2000, 104 (51), 12306-12314.

25. Kong, M. J.; Teplyakov, A. V.; Jagmohan, J.; Lyubovitsky, J. G.; Mui, C.; and Bent, S. F. Interaction of C6 cyclic hydrocarbons with a Si(100)-2x1 surface: adsorption and hydrogenation reactions. J. Phys. Chem. B 2000, 104, 3000-3007. 

24. Gurevich, A. B.; Bent, B. E.; Teplyakov, A. V. and Chen, J. G. A NEXAFS investigation of the formation and decomposition of CuO and Cu2O thin films on Cu(100). Surf. Sci. 1999, 442, L971-L976.

23. Lal, P.; Noah, Y.; Kong, M. J.; Teplyakov, A. V. and Bent, S. F. Adsorption of ethylene on the Ge(100)-2 x 1 surface: Coverage and time-dependent behavior. J. Chem. Phys. 1999, 110 (21), 10545-10553. 

22. Teplyakov, A. V.; Lal, P.; Noah, Y. A.; Bent, S. F.  Evidence for a Retro-Diels-Alder Reaction on a Single Crystal Surface: Butadienes on Ge(100). J. Am. Chem. Soc. 1998, 120 (29), 7377-7378. 

21. Kong, M. J.; Teplyakov, A. V. and Bent, S. F. NEXAFS studies of adsorption and reaction of benzene on Si(100)-(2x1). Surf. Sci. 1998, 411, 286-293.

20. Teplyakov, A. V.; Kong, M. J. and Bent, S. F. Diels-Alder reactions of butadienes with the Si(100)-2x1 surface as a dienophile: vibrational spectroscopy, thermal desorption and near edge X-ray absorption fine structure studies. J. Chem. Phys. 1998, 108 (11), 4599-4606.

19. Teplyakov, A. V.; Bent, B. E.; Eng, J., Jr. and Chen, J. G. Vibrational mode-softening of alkanes on clean and modified Cu and Mo surfaces: absence of a simple correlation with thermal desorption temperatures. Surf. Sci. 1998, 399, L342-L350.

18. Gurevich, A. B.; Teplyakov, A. V.; Yang, M. X. and Bent, B. E. Synthesis, bonding and reactions of p-bonded allyl groups on Cu(100): allyl radical ejection. Langmuir 1998, 14 (6), 1419-1427.

17. Teplyakov, A. V.; Gurevich, A. B.; Garland, E. R. and Bent, B. E. Mechanism of dehydrocyclization of 1-hexene to benzene on Cu3Pt(111): identification of 1,3,5-hexatriene as a reaction intermediate. Langmuir 1998, 14 (6), 1337-1344.

16. Lusvardi, V. S.; Barteau, M. A.; Chen, J. G; Eng, J., Jr.; Frühberger, B. and Teplyakov, A. V. A NEXAFS investigation of the reduction and reoxidation of TiO2(001). Surf. Sci. 1998, 397, 237-250.

15. Yang, M. X.; Teplyakov, A. V. and Bent, B. E. Regioselectivity of deuterium atom addition to olefin monolayers on Cu(100). J. Phys. Chem. B 1998, 102 (16), 2985-2990.

14. Teplyakov, A. V.; Gurevich, A. B.; Yang, M. X.; Chen, J. G. and Bent, B. E. NEXAFS and TPD studies of molecular adsorption of hydrocarbons on Cu(100): segmental correlations with the heats of adsorption. Surf. Sci. 1998, 396, 340-348.

13. Teplyakov, A. V.; Kong, M. J. and Bent, S. F. Vibrational spectroscopic studies of Diels-Alder reactions with the Si(100)-2x1 surface as a dienophile. J. Am. Chem. Soc. 1997, 119, 11100-11101.

12. Teplyakov, A. V. Bonding and reactions of hydrocarbons and their fragments on single crystal surfaces of copper and copper-platinum alloy: identification of surface intermediates and reaction mechanisms. (1997), 274 pp. Ph. D. Thesis.

11. Teplyakov, A. V. and Bent, B. E. Mechanism of dehydrocyclization of 1-hexene to benzene on Cu3Pt(111). J. Phys. Chem. B 1997, 101, 9052-9059.

10. Kash, P. W.; Yang, M. X.; Teplyakov, A. V.; Flynn, G. W. and Bent, B. E. Chemical displacement of molecules adsorbed on surfaces: low temperature studies with application to surface reactions . J. Phys. Chem. B 1997, 101, 7908-7918.

9. Teplyakov, A. V. and Bent, B. E. Dehydrocyclization of 1-hexene to benzene on Cu3Pt(111).  Catal. Lett. 1996, 42 (1,2), 1-4.

8. Teplyakov, A. V. and Bent, B. E. Infrared spectroscopic study of the chemical displacement of hydrocarbon monolayers from a Cu(100) surface. Chem. Phys. Lett. 1996, 260, 65-70.

7. Lin, J.-L.; Teplyakov, A. V. and Bent, B. E. The effects of alkyl chain structure on carbon-halogen bond dissociation and b-hydride elimination by alkyl halides on a Cu(100) surface.  J. Phys. Chem. 1996, 100, 10721-10731.

6. Teplyakov, A. V. and Bent, B. E. Distinguishing direct and quasi-direct mechanisms for an Eley-Rideal gas-surface reaction: stereochemistry of H addition to cyclohexene on Cu(100). J. Chem. Soc. Faraday Trans. 1995, 91 (20), 3645-3654.

5. Teplyakov, A. V. and Bent, B. E. b-Hydride elimination from alkyl and cycloalkyl groups on Cu(100) surface: ring strain and planarity of the transition state. J. Am. Chem. Soc. 1995, 117, 10076-10087.

4. Netrusov, A.; Teplyakov, A.; Bessarabov, D. and Teplyakov V. Gas separation systems for biotechnology by integrated membranes with moving liquid carriers.  Conf. Adv. Biochem. Eng., Three-Day Symp., 2nd, 1994, 106-8.

3. Teplyakov, V.; Beckman, I.; Teplyakov, A. and Netrusov, A. Integrated membrane systems with moving liquid carriers for biogas separation in biotechnology. BHR Group Conf. Ser. Publ. 1993, 5 (3rd International Conference on Bioreactor and Bioprocess Fluid Dynamics, 1993), 315-322.

2. Beckman, I. N.; Bessarabov, D. G., Teplyakov, V. V. and Teplyakov, A. V. Integrated membrane systems with moving liquid carriers for multicomponent gas separation. BHR Group Conf. Ser. Publ. 1993, 3 (Effective Membrane Processes-New Perspectives), 297-306.

1. Beckman, I. N.; Gladkov, V. S.; Teplyakov, V. V.; Teplyakov, A. V. and Kuznetsov, L. P. Method of membrane-absorption separation of gas mixtures and the set up for.  Patent of the USSR, approval #1637850, BOID 53/22, 1991.

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