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Chemical Engineering at the University of Michigan
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Johannes Schwank.
Johannes W. Schwank
Professor

3014 H. H. Dow
(734) 764-3374
FAX: (734) 763-0459
schwank@umich.edu

Heterogeneous catalysis, fuel processing for fuel cells, thin films, microelectronic gas sensors.

Recent Publications and Patents

Journal Articles

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"A thermogravimetric determination of dispersed and bulk-like barium species supported on gamma-alumina", Chen, X.Y. ; Schwank, J; John, L. H; Schneider, W.F. ; Goralski, C.T.; Schmitz, P. J,, Journal Of Materials Chemistry, 15 (3): 366-368 (2005).

"Polyaniline/zeolite LTA composites and electrical conductivity response towards CO", Chuapradit, C; Wannatong, LR; Chotpattananont.D; Hiamtup,P; Sirivat,A; Schwank, J., Polymer, 46, 947-953 (2005).

"Influence of Cu-, Fe-, Co-, and Mn-oxide Nanoclusters on Sensing Behavior of SnO2 Films",Korotcenkov, G; Macsanov, V; Brinzari, V; Tolstoy, V; Schwank, J; Cornet, A; Morante, J., Thin Solid Films 467 (1-2) 209-214 (2004).

"Selective Conductivity Response Of Polypyrrole-Based Sensor On Flammable Chemicals", Ruangchuay, L; Sirivat, A; Schwank, J, Reactive & Functional Polymers 61 (1), 11-22 (2004).

"Electrical conductivity response of polypyrrole to acetone vapor: effect of dopant anions and interaction mechanisms", Ruangchuay, L; Sirivat, A; Schwank, J., Synthetic Metals 140 (1), 15-21 (2004).

“Pt-Sn/Al2O3 Catalysts: Effect of Catalyst Preparation and Chemisorption Methods on H2 and O2 Uptake”, P . Chantaravitoon, S. Chavadej, and J.W. Schwank, Chemical Engin. Journal, 98 (1-2), 99-104, 2004

“Temperature-Programmed Desorption of Methanol and Oxidation of Methanol on Pt-Sn/Al2O3 Catalysts”, P . Chantaravitoon, S. Chavadej,and J.W. Schwank, Chemical Engin. Journal, 97 (2-3), 161-171, 2004

“A Novel Pt-AlGaN/GaN Heterostructure Schottky Diode Gas Sensor on Si”, Guangyuan Zhao, William Sutton, Dimitris Pavlidis, Edwin L Piner, Johannes Schwank, and Seth Hubbard, IEICE Transactions on Electronics, E86C (10), 2027-2031, 2003.

“Polypyrrole/poly(methylmethacrylate) Blend as Selective Sensor for Acetone in Lacquer”, L. Ruangchuay, A. Sirivat, and J. Schwank, Talanta, 60 (1) 25-30, 2003.

“Structural and Gas Response Characterization of Nano-size SnO2 Films Deposited by SILD Method,” G.Korotcenkov, V.Macsanov, V.Tolstoy, V.Brinzari, J.Schwank, and G. Faglia, Sensors and Actuators B-Chemical, 96 (3), 605-611, 2003

“Influence of Surface Pd Doping on Gas Sensing Characteristics of SnO2 Thin Films Deposited by Spray Pyrolysis”, G. Korotcenkov, V. Brinzari, Y. Boris, M. Ivanov, J. Schwank, J. Morante, Thin Solid Films, 436 (1), 119-126 (2003)

“Characterization of Pt-Sn/Carbon Hydrogenation Catalysts”, G. Neri, C. Milone, S. Galvagno, A.P.J. Pijpers, and J. Schwank, Applied Catalysis A-General, 227, 105-115 (2002).

“Grain Habits Rank in Nano-scale Tin Dioxide Films Deposited by Spray Pyrolysis”, V. Brinzari, G. Korotcenkov, J. Schwank, V. Lantto, S. Saukko, V. Golovanov, Thin Solid Films 408 (1-2), 51 2002

“Electrical Conductivity Response of Polyaniline Films to Ethanol-Water Mixtures”, L. Tarachiwin, P. Kiattibutr, L. Ruangchuay, A. Siriwat, and J. Schwank, Synthetic Metals 129, 303-308, 2002

“Hydrogen Desorption from Polycrystalline Platinum Chemically Modified By Sulfur Pre-Coverage”, Thomas, V.D., Schwank, J.W., Gland, J.L., Surface Science, 501 (3): 214-234 (2002)

“Electrical Conductivity Response of Polyaniline Films to SO2 – NO2 Mixtures: Effect of Dopant Type and Doping Level, P. Kiattibutr, L. Tarachiwin, L. Ruangchuay, A. Sirivat, J. Schwank, Reactive and Functional Polymers, 53 (1), 29-37 (2002)

“Preparation, Structure, Properties and Thermal Behavior of Rigid-rod Polyimide/Montmorillonite Nanocomposites”, R. Magaraphan, W. Lilayuthalert, A. Sirivat, and J.W. Schwank, Composites Science and Technology 61, 1253-1264 (2001)

“Carbon Monoxide Desorption From Platinum Chemically Modified By Sulfur”,V.D. Thomas, J. W. Schwank, and J. L. Gland, Surface Science 464: (2-3) 153-164 (2000)

“Electrical Conductivity Response of Dodecylbenzene Sulfonic Acid-Doped Polypyrrole to SO2-N Mixtures”. Prissanaroon, W., Ruangchuay, L., Sirivat, A., and Schwank J., Synthetic Metals, 114, 65-72. (2000)

"Structural Characterization of SnO2 Gas Sensing Films Deposited By Spray Pyrolysis" G.Korotcenkov, M.DiBattista, J.Schwank, V.Brinzari.. J. Mater. Sci. and Engineering. B., 77, 33-39 (2000).


Patents

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1. 'Bimetallic Cluster Catalysts', M. D. Curtis, J. Schwank, L. T. Thompson, P. D. Williams, U.S. Patent 4,605,751 (1986)

2. ‘ Modified Molybdenum Sulfide Hydrodesulfurization/ Hydrodenitrogenation Catalysts, Process for Their Preparation, and Their Use in Removing Sulfur and/or Nitrogen from Hydrocarbon Feedstocks’, M. A. Villa-Garcia and Johannes Schwank, U.S. Patent 4,952,547 (Aug. 28, 1990)

3. ‘Ultrathin-Film Gas Detector’, C. L. Johnson, J. Schwank, K. Wise, U.S. Patent 4,953,387 (Sept. 4, 1990)

4. 'Solid State Chemical Micro-Reservoirs'. K. D. Wise, J. W. Schwank, J. L. Gland, U.S. Patent 5,262,127 (Nov. 16, 1993)

5. 'In-situ Monitoring and Growth of Thin Films by Means of Selected Area CVD', J. L. Gland, J. W. Schwank, and K. D. Wise, U.S. Patent 5,296,255 ( March 22, 1994).

6. ' 'Solid State Chemical Micro-Reservoirs'. K.D. Wise, J. W. Schwank, J.L. Gland, U.S.Patent 5,385,709 (Jan.31, 1995)

7. ‘Hot Stage for Scanning Probe Microscope’, M. DiBattista, S. V. Patel, J. L. Gland, and J.W.Schwank, U.S. Patent 5,731,587 (March 24, 1998).

 


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Department of Chemical Engineering, 2300 Hayward St.
3074 H.H. Dow Building, Ann Arbor, MI 48109-2136
Phone (734) 764-2383 Fax (734) 763-0459