Claire D. LeClaire Professor
Professor of Chemistry and Biochemistry
Director, Center for Catalytic Science and Technology
Telephone: (302) 831-0642
E-Mail: jgchen@udel.edu
Education
Doctorate - 1988 University of Pittsburgh
Bachelors - 1982 Nanjing University, China
"Surface science studies of metal carbides and bimetallic alloys as novel catalytic materials. Synthesis and characterization of thin films for applications in fuel cells, chemical sensors, solar cells, and hard-coating materials."
Chen's Research Group
First Row: Dan Esposito, Alan Lee Stottlemyer, Wei Huang, Erich Weigert
Second Row: Luis Murillo, Amit Goda, Danielle Hansgen, Michael Humbert, Orest Skoplyak
Third Row: Qiao Ren, Dr. Jingguang Chen, William Lonergan, Carl Menning, Zach Mellinger, Brian Walck, Jeff Bosco
Research Interests
Surface science studies of metal carbides and bimetallic alloys as novel catalytic materials
Synthesis and characterization of thin films for applications in fuel cells
Chemical sensors
Photovoltaics
Hard-coating materials
NEXAFS characterization of novel inorganic materials
TiO2 nanoparticles
Recent Publications
1. A.M. Gaffney, S. Chaturvedi, M.B. Clark, S. Han, S.A. Rykov and J.G. Chen, “Characterization and Catalytic Studies of PVD Synthesized Mo/V/Nb/Te Oxide Catalysts”, Journal of Catalysis, 229 (2005) 12-23.
2. H.H. Hwu, M.B. Zellner, and J.G. Chen, “The Effect of Oxygen Modification on the Electronic and Chemical Properties of C/Mo(110)”, Journal of Catalysis, 229 (2005) 35-49.
3. B. Zhao, K. Uchikawa, C. Ni, J.R. McCormick, J.G. Chen and H. Wang, “Ultrafine Anatase TiO2 Nanoparticles Produced in Premixed Ethylene Stagnation Flames”, Proceedings of the Combustion Institute, 30 (2005) 2569-2576.
4. H.H. Hwu and J.G. Chen, “Surface Chemistry of Transition Metal Carbides”, Chemical Reviews, 105 (2005) 185-212.
5. E.C. Weigert, J. South and J.G. Chen, “Multifunctional Composites Containing Molybdenum Carbides as Electrocatalysts”, Catalysis Today, 99 (2005) 285-290.
6. M.B. Zellner and J.G. Chen, “Surface Science and Electrochemical Studies of W2C and WC Electrocatalysts”, Catalysis Today, 99 (2005) 299-307.
7. J.K. Norskov, T. Bligaard, A. Logadottir, J.R. Kitchin, J.G. Chen, S. Pandelov and U. Stimming, “Treands in the Exchange Current for Hydrogen Evolution”, Journal of Electrochemical Society, 152 (2005) J23-J26.
8. J.R. Kitchin, J.K. Norskov, M.A. Barteau and J.G. Chen, “Trend in the Chemical Properties of Early Transition Metal Carbide Surfaces: A Density Functional Study”, Catalysis Today, 105 (2005) 66-73.
9. M.B. Zellner and J.G. Chen, “Potential Application of Tungsten Carbides as Electrocatalysts: Synergistic Effect of Pt-Modification on the Reactions of Methanol, Water, and CO”, Journal of Electrochemical Society, 152 (2005) A1483-A1494.
10. E.C. Weigert, N.A. Smith, B.G. Willis and J.G. Chen, PVD Synthesis and Characterization of Pt-Modified Molybdenum Carbides as Potential Electrocatalysts”, Solid State and Electrochemical Letters, 8 (2005) A337-A340.
11. M.B. Zellner, A.M. Goda, O. Skoplyak, M.A. Barteau and J.G. Chen, “Novel Chemistry of Hydrogen and Ethylene on Monolayer Metal Films: A Combined DFT and Experimental Study”, Surface Science, 583 (2005) 281-296.
12. L.E. Murillo, N.A. Khan and J.G. Chen, “The Effect of Hydrocarbon Structure and Chain Length on the Low-Temperature Hydrogenation Activity on Ni/Pt(111) Bimetallic Surfaces”, Surface Science, 594 (2005) 27-42.
13. M.B. Zellner and J.G. Chen, “Supporting Monolayer Pt on W(110) and C/W(110): Modification Effects on the Reaction Pathways of Cyclohexene”, Journal of Catalysis, 235 (2005) 393-402.
14. M.B. Zellner, H.H. Hwu and J.G. Chen, “Comparative Studies of Methanol Decomposition on Carbide-Modified V(110) and Ti(0001)”, Surface Science, 598 (2005) 185-199.
15. N.A. Khan, L.E. Murillo, Y. Shu, J.G. Chen, “Correlating Low-Temperature Hydrogenation Activity of Co/Pt(111) Bimetallic Surfaces to Supported Co/Pt/g-Al2O3 Catalysts”, Catalysis Letters, 105 (2005) 233-238.
16. S. Wang, W. Lin, Y. Z., Y. Xie, J.G. Chen, “Preparation and Catalytic Activity of Monolayer Dispersed Pt/Ni Bimetallic Catalysts for C=C and C=O Hydrogenation”, Chinese Journal of Catalysis, 27 (2006) 301-303.
17. O. Skoplyak, M.A. Barteau and J.G. Chen, “Reforming of Oxygenates for H2 Production: Correlating Reactivity of Ethylene Glycol and Ethanol on Pt(111) and Ni/Pt(111) with Surface d-band Center”, Journal of Physical Chemistry B, 110 (2006) 1686-1694.
18. A. M. Goda, M. A. Barteau, and J. G. Chen, “Correlating Electronic Properties of Bimetallic Surfaces with Reaction Pathways of C2 Hydrocarbons”, Journal of Physical Chemistry B, 110 (2006) 11823-11831.
19. S. Buzby, M. A. Barakat, H. Lin, C. Ni and S. Ismat Shah, S. A. Rykov, J.G. Chen, “Visible Light Photocatalysis with Nitrogen Doped Titanium Dioxide”, Journal of Vacuum Science and Technology B, 24 (2006) 1210-1214.
20. C.A. Menning, H.H. Hwu, and J.G. Chen, “An Experimental and Theoretical Investigation of the Stability of Pt-3d-Pt Bimetallic Surfaces under Oxygen Environment”, Journal of Physical Chemistry B, 110 (2006) 15471-15477.
21. W. Huang, J.R. McCormick, R.F. Lobo, and J.G. Chen, “Selective Hydrogenation of Acetylene in the Presence of Ethylene on Zeolite-Supported Bimetallic Catalysts”, Journal of Catalysis, 246 (2007) 40-51.
22. S. Wang, W. Lin, Y.X. Zhu, Y. Xie, J.R. McCormick, W. Huang, and J.G. Chen, “Pd-Based Bimetallic Catalysts Prepared by Replacement Reactions”, Catalysis Letters, 114 (2007) 169-173.
23. M.S. Angelo, B.E. McCandless, R.W. Birkmire, S.A. Rykov and J.G. Chen, “Contact Wetting as a Diagnostic Tool for Surface Energy Analysis of Semiconductor Thin-Films”, Progress in Photovotaics: Research and Applications, 15 (2007) 93-111.
24. L.E. Murillo, A.M. Goda and J.G. Chen, “Selective Hydrogenation of C=O Bond in Acrolein through Architecture of Bimetallic Surface Structures”, Journal of American Chemical Society, 129 (2007) 7101-7105.
25. S. Wang, W. Lin, Y.X. Zhu, Y. Xie, J.G. Chen, “Preparation and Catalytic Performance of Monolayer Dispersed Pd/Ni Bimetallic Catalysts for Hydrogenation”, Chinese Journal of Catalysis, 28 (2007) 676-680.
26. E.C. Weigert, A.L. Stottlemyer, M.B. Zellner and J.G. Chen, “Tungsten Monocarbide as Potential Replacement of Platinum for Methanol Electrooxidation”, Journal of Physical Chemistry C, Letters, 111 (2007) 14617-14620.
27. D.M. Wang, C.P. Huang, J.G. Chen, H.Y. Lin, and S.I. Shah, “Reduction of Perchlorate in Dilute Aqueous Solution over Monometallic Nanocatalysts” Exemplified by Tin”, Separation and Purification Technology, 58 (2007) 129-137.
28. W. Huang, W. Pyrz, R.F. Lobo, and J.G. Chen, “Selective Hydrogenation of Acetylene in the Presence of Ethylene on K+-b-Zeolite Supported Pd and PdAg Catalysts”, Applied Catalysis A, 333 (2007) 254-263.
29. O. Skoplyak, M.A. Barteau and J.G. Chen, “An Experimental and Theoretical Study of the Trend in the Reactivity of Methanol on Co/Pt(111) and Ni/Pt(111) Bimetallic Surfaces”, Journal of Chemical Physics, 127 (2007) 114707.
30. D.M. Wang, S.I. Shah, J.G. Chen and C.P. Huang and H.Y. Lin, “Catalytic Reduction of Perchlorate by H2 Gas in Dilute Aqueous Solutions”, Separation and Purification Technology, 58 (2007) 129-137.
31. E.C. Weigert, M.P. Humbert, Z.J. Mellinger, Q. Ren, T.P. Beebe, Jr., L. Bao, and J.G. Chen, “PVD Synthesis of Phase-Rich Tungsten Carbide Thin Films on Different Carbon Substrates”, Journal of Vacuum Science and Technology A26 (2008) 23-28.
32. S. Wang, J. He, J. Xie, Y.X. Zhu, Y. Xie, J.G. Chen, “Synthesis of Bimetallic Catalysts Using Replacement Reactions”, Applied Surface Science, 254 (2008) 2102-2109.
33. E.C. Weigert, M.B. Zellner, A.L. Stottlemyer and J.G. Chen, “A Combined Surface Science and Electrochemical Study of Tungsten Carbides as Anode Electrocatalysts”, Current Topics in Catalysis, accepted.
34. K. Beadle, R. Gupta, A. Matthew, J.G. Chen, and B.G. Willis, “CVD Synthesis of Phase-Rich WC Thin Films on Silicon and Carbon Substrates”, Thin Solid Films, accepted.
35. L.E. Murillo and J.G. Chen, “A Comparative Study of the Adsorption and Hydrogenation of Acrolein on Pt(111), Ni(111) Film and Pt-Ni-Pt(111) Bimetallic Surfaces”, Surface Science, accepted.
36. W. Huang, R.F. Lobo and J.G. Chen, “Characterization of Na+-b-Zeolite Supported Pd and PdAg Bimetallic Catalysts Using EXAFS, TEM and Flow Reactor”, Journal of Molecular Catalysis A, accepted.
37. R. Mahmudov, Y. Shu, S.A. Rykov, J.G. Chen, and C.P. Huang, “The Reduction of Perchlorate by Novel Hydrogenation Catalysts”, Applied Catalysis B, accepted.
38. Y. Shu, L.E. Murillo, J.P. Bosco, W. Huang, A.I. Frenkel, and J.G. Chen, “The Effect of
Impregnation Sequence on the Hydrogenation Activity and Selectivity of Supported PtNi Bimetallic Catalysts”, Applied Catalysis A, accepted.
39. Z.J. Mellinger, E.C. Weigert, A.L. Stottlemyer and J.G. Chen, “Enhancing the CO Tolerance of PEM Fuel Cell Electrocatalysts: Surface Science and Electrochemical Characterization of Pt-Modified Tungsten Carbide (WC) Thin Films”, Electrochemical and Solid State Letters, accepted.
40. J.G. Chen, C.A. Menning and M.B. Zellner, “Monolayer Bimetallic Surfaces: Experimental and Theoretical Studies of Trends in the Electronic and Chemical Properties”, (Invited Review), Surface Science Reports, accepted.
Patents
1. PVD Supported Mixed Metal Oxide Catalysts (6,984,750): S. Chaturvedi, J.G. Chen, M.B. Clark Jr. and A.M. Gaffney, 2006
2. Regeneration of Iron-Based Hydrogen Sulfide Sorbents (6,723,230): J.G. Chen, L.D. Brown, W.C. Baird, Jr., G. McVicker, E. Ellis, M.Touvelle, D. Klein, and D. Vaughan, 2004
3. Regeneration of Hydrogen Sulfide Sorbents (6,649,043): J.G. Chen, L.D. Brown, W. Baird Jr., G.B. McVicker, E.S. Ellis, M. Touvelle, D. Klein, D.E.W. Vaughn, 2003
4. Ring Opening with Group VIII Metal Catalysts Supported on Modified Substrate (6,586,650): W.C. Baird, Jr., J.G. Chen and G.B. McVicker, 2003
5. Naphthene Ring Opening over an Iridium Ring Opening Catalyst (6,683,020): W.C. Baird, Jr., D.P. Klein, J.G. Chen and G.B. McVicker, 2003
6. Naphthene Ring Opening over a Ring Opening Catalyst Combination (6,623,626): W.C. Baird,Jr., J.G. Chen & G.B. McVicker, 2003
7. Method and Catalyst for Opening Naphthenic Rings of Naphthenic Ring-Containing Compounds (6,589,416): W.C. Baird, Jr., D.P. Klein, M.S. Touvelle and J.G. Chen, 2003
8. Ring Opening with Group VIII Metal Catalysts Containing Cracking Moderators (6,623,625): W.C. Baird, Jr., J.G. Chen and G.B. McVicker, 2003
9. Desulfurization of Petroleum Streams Containing Condensed Ring Heterocyclic Organosulfur Compounds (6,221,240): G. McVicker, W. Baird Jr., D. Klein, M. Touvelle, E. Ellis, J. Chen, D. Vaughan, J. Schorfheide, 2001
10. Desulfurization of Petroleum (6,193,877): G.B. McVicker, J.J. Schorfheide, J. Schorfheide, W. Baird, Jr., M. Touvelle, M. Daage,et al. J. Chen, 2001
Selected Awards
1. Catalysis Award (Philadelphia Catalysis Club: 2004)
2. Provost Merit Award (University of Delaware: 2000)
3. Leybold-Heraeus Award (Leybold-Heraeus Corporation: 1987)
4. Graduate Student Award (American Vacuum Society Conference: 1986)
http://www.che.udel.edu/research_groups/chen/
[ 本帖最后由 longmarch10000 于 2008-5-5 10:58 编辑 ]
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