people: V. Boiadjiev

Dr. Vassil Boiadjiev

He received his PhD in Physical Chemistry from the University of Wisconsin - Milwaukee in 2000. Prior to his time at UWM, he was educated at Sofia University in Bulgaria, receiving his MS and BS in 1993 and 1992, respectively.

Prior to his work at Rowan, he was an assistant professor at the University of Tennessee and did Postdoctoral work at ORNL and the University of Minnesota.

Current and Past Projects

• Continuing collaboration with the Nanoscale Science and Devices Group at Oak Ridge National Laboratory on microcantilever sensors
• microcantilever functionalization for ultrasensitive detection of chemicals and biomaterials
• development of chemical sensors for ultrasensitive detection of explosive vapors in air and hexavalent chromium in ground water using adsorption-induced stress on chemically functionalized micromachined microcantilevers
• Molecular design, preparation and characterization (FTIR, AFM, RBS, XPS, SEM) of functionalized organic SAMs on silicon surfaces, subsequent DNA attachment and hybridization in microfluidic chip array (Fluorescent Microscopy)
• In vacuo Chemical Vapor Deposition of inorganic and organic thin films; liquid phase deposition; detailed Transmission and Multiple Internal Reflection Infrared studies of organometallic species on silicon and oxide surfaces to design resistant and lubricating SAMs; Solid State NMR and Electron Microprobe Analyses applied for additional characterization; Transmission FTIR studies of ethylene polymerization catalyzed by organometallic surface species on alumina
• Ultrahigh vacuum and atmospheric pressure studies of Pd-catalyzed cyclotrimerization of acetylene to benzene using Temperature Programmed Desorption, Auger, Mass spectroscopy and Gas Chromatography
• Electrochemical Deposition of Tungsten Coatings from molten-salt electrolytes; coatings characterization by XRD, Electron Microprobe (EDS) and Scanning Electron Microscopy (SEM), Central Laboratory for Electrochemical Power Sources
• R&D - plastics metallization (patent BG No. 42590), kinetics, catalysis (catalytical activity of oxidized metal glasses) and preparation of high-temperature superconducting materials, Sofia University,

List of Publications:

V. I. Boiadjiev, G. M. Brown, L. A. Pinnaduwage, G. Goretzki, P. V. Bonnesen, T. Thundat; Photochemical hydrosilylation of 11-undecenyltriethylammonium bromide with hydrogen-terminated Si surfaces for the development of robust microcantilever sensors for Cr(VI); Langmuir, 2005, 21 (4), 1139-1142

F. Tian, V. I. Boiadjiev, L. A. Pinnaduwage, G. M. Brown, T. Thundat; Selective Detection of Cr(VI) Using a Microcantilever Electrode Coated with a Self-Assembled Monolayer; Journal of Vacuum Science and Technology, A: Vacuum, Surfaces, and Films, 2005, 23(4), 1022-1028

Zhiyu Hu, Vassil Boiadjiev and Thomas Thundat; Nano-catalytic Spontaneous Ignition and Self-supporting Room Temperature Combustion; Energy & Fuels, 2005, 19(3), 855-858

L. A. Pinnaduwage, D. L. Hedden, A. Gehl, V. I. Boiadjiev, J. E. Hawk, R. H. Farahi, T. Thundat, E. J. Houser, S. Stepnowski, R. A. McGill, L. Deel, R. T. Lareau; A Sensitive, Handheld Vapor Sensor Based on Microcantilevers; Rev. Sci. Instrum., 2004, 75 (11), 4554-4557

L. A. Pinnaduwage, V. Boiadjiev, G. M. Brown, T. Thundat, S. W. Petersen; Detection of Hexavalent Chromium in the Presence of Contaminants in Ground Water Using a Single Microcantilever, Sensor Letters, 2004, 2 (1), 25-30

L. A. Pinnaduwage, V. Boiadjiev, J. E. Hawk and T. Thundat; Sensitive Detection of Plastic Explosives with Self-Assembled Mnonolayer-Coated Microcantilevers, Applied Physics Letters, 2003, 83, 1471-1473

L. A. Pinnaduwage, J. E. Hawk, V. Boiadjiev, D. Yi and T. Thundat, Use of Microcantilevers for the Monitoring of Molecular Binding to Self-Assembled Monolayers, Langmuir, 2003, 19 (19), 7841-7844

T.-W. Cha, V. Boiadjiev, J. Lozano, H. Yang, X.-Y. Zhu; Immobilization of Oligonucleotides on Poly(ethylene glycol) Brush Coated Si Surfaces, Anal. Biochem., 2002, 311, 27-32

X.-Y. Zhu, Y. Jun, D. R. Staarup, R. C. Major, S. Danielson, V. Boiadjiev, W. L. Gladfelter, B. C. Bunker, A. Guo; Grafting of High-Density Poly(Ethylene glycol) Monolayers on Si(111); Langmuir, 2001, 17 (25), 7798-7803

X.-Y. Zhu, Y. Jun, V. Boiadjiev, R. Major, H. J. Kim, J. E. Houston; Novel Chemistry for Surface Engineering in MEMS; Mat. Res. Soc. Proc., 2001, 657 (Materials Science of Microelectromechanical Systems (MEMS) Devices III), EE3.3/1-EE3.3/6

Y. Jun, V. Boiadjiev, R. Major, X.-Y. Zhu; Novel Chemistry for surface engineering in MEMS; Proc. SPIE – Int. Soc. Opt. Eng., 2000, v. 4175 (Materials and Device Characterization in Micromachining III), p. 113-120, Santa Clara, CA, Sept. 19

H. I. Kim, V. Boiadjiev, J. E. Houston, X.-Y. Zhu, J. D. Kiely; Tribological Properties of Self-Assembled Monolayers on Au, SiOx and chlorinated Si Surfaces; Tribol. Lett., 2001, 10, 97-101

R. J. Kleisner, B. H. Koeck, M. R. Phillips, J. A. Wieland, J. H. Gutow, V. Boiadjiev and W. T. Tysoe; A System Based on Metal Alkyl Species that Forms Chemically
Bound Organic Overlayers on Hydroxylated Planar Surfaces; Thin Solid Films, 2001, 381 (1), 10-14

X.-Y. Zhu, V. Boiadjiev, J. A. Mulder, R. P. Hsung, R. C. Major; Molecular Assemblies on Silicon Surfaces via Si-O Linkages; Langmuir, 2000, 16, 6766-6772

V. Boiadjiev, A. Blumenfeld, J. Gutow and W. T. Tysoe; Infrared and NMR Spectroscopic Studies of n-Alkanethiols Chemically Grafted on Dimethylzinc-Modified Silica Surfaces; Chem. Mater., 2000, 12, 2604-2613

Vassil Boiadjiev and W. T. Tysoe; An Infrared Study of the Surface Species Formed by Sequential Chemical Vapor Deposition of Dimethyl Zinc and Ethanethiol on Alumina Surfaces; Chem. Mater., 1998, 10, 1141-1152

Vassil Boiadjiev and W. T. Tysoe; Infrared Study of the Surface Species Formed by Sequential Chemical Vapor Deposition of Trimethylaluminum and Methanol on a Hydroxylated Alumina Surface; Chem. Mater., 1998, 10, 334-344

C. Soto, V. Boiadjiev and W. T. Tysoe; Spectroscopic Study of AlN Film Formation by the Sequential Reaction of Ammonia and Trimethylaluminum on Alumina; Chem. Mater., 1996, 8 (9), 2359-2365

V. I. Boiadjiev, G. Goretzki, P. Bonnesen, G. M. Brown, T. Thundat; Cs+ Sensors Based on Microcantilevers Functionalized with Self-Assembled Monolayers of Highly Selective Calixarene-crown Ethers, (in preparation)