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Prof. Dr. Konstantin Hadjiivanov

Profile

Academic positionFull Professor
Research fieldsKinetics and Catalysis,Solid State Chemistry and Surface Chemistry, Material Synthesis
Keywordsadsorption, catalysis, FTIR spectroscopy, oxides, zeolites

Current contact address

CountryBulgaria
CitySofia
InstitutionBulgarian Academy of Sciences
InstituteInstitute of General & Inorganic Chemistry

Host during sponsorship

Start of initial sponsorship01/05/1998

Programme(s)

1997Humboldt Research Fellowship Programme

Publications (partial selection)

2004Kristian Chakarova, Elena Ivanova, Konstantin Hadjiivanov, Dimitar Klissurski, Helmut Knözinger: Co-ordination Chemistry of Palladium Cations in Pd-H-ZSM-5 as Revealed by FTIR Spectra of Adsorbed and Co-adsorbed Probe Molecules (CO and NO). In: Physical Chemistry and Chemical Physics, 2004, 3701-3709
2004Tanya Tsontcheva, Tzvetomir Venkov, Momtchil Dimitrov, Konstantin Hadjiivanov: Copper-modified mesoporous MCM-41 silica: FTIR and catalytic study. In: Journal of Molecular Catalysis, A: Chemical , 2004, 125-134
2004Mihail Mihaylov, Konstantin Hadjiivanov, Dimitar Panayotov: FTIR Mechanistic Studies on the Selective Catalytic Reduction of NOx with Methane over Ni-containing Zeolites: Comparison between NiY and NiZSM-5. In: Applied Catalysis B: Environmental, 2004, 33-42
2004Srinivas Kannan, Tzvetomir Venkov, Konstantin Hadjiivanov, Helmut Knözinger: FTIR Study of Low-temperature CO Adsorption on CuMgAl-hydrotalcite. In: Langmuir, 2004, 730-736
2004Anna Penkova, Konstantin Hadjiivanov, Mihail Mihaylov, Marco Daturi, Jacques Saussey, Jean-Claude Lavalley: FTIR spectroscopic study of low-temperature NO adsorption and NO + o2 coadsorption on H-ZSM-5. In: Langmuir, 2004, 5425-5431
2004Mihail Mihaylov, Anna Penkova, Konstantin Hadjiivanov, Helmut Knözinger: Formation of Surface Carbonyl and Nitrosyl Complexes on Titania- and Zirconia-supported Chromia. In: Journal of Physical Chemical B, 2004, 679-688
2003Konstantin Hadjiivanov, E. Ivanova, Marco Daturi, Jacques Saussey, Jean-Claude Lavalley: An FTIR Spectoscopic Study of NO Adsorption on CoZSM-5. In: Chemical Physics Letters, 2003, 712-718
2003Konstantin Hadjiivanov, Boiko Tsyntsarski, Tzvetomir Venkov, Dimitar Klissurski, Marco Daturi, Jacques Saussesy, Jean-Claude Lavalley: FTIR Spectroscopic Study of CO Adsorption on Co-ZSM-5: Evidence of Formation of Co+(CO)4 Species. In: Physical Chemistry and Chemical Physics, 2003, 1695-1702
2003Anna Penkova, Konstantin Hadjiivanov: FTIR Spectroscopic Study of CO and NO Adsorption on Cr-ZSM-5. In: Catalysis Communications, 2003, 485-491
2003Konstantin Hadjiivanov, Anna Penkova, Marco Daturi, Jacques Saussey, Jean-Claude Lavelley FTIR Spectroscopic Study of Low-temperature Co-adsorption of NO and O2 on H-ZSM-5. Evidence of Formation of [ONNO]+ Species. In: Chemical Physics Letters, 2003, 642-646
2003Konstantin Hadjiivanov, Elena Ivanova, Lubomir Dimitrov, Helmut Knözinger: FTIR Spectroscopie Study of CO Adsorption on RhZSM-5: Detection of Rh+CO species. In: Journal of Molecular Structure, 2003, 459-463
2003Konstantin Hadjiivanov, Tanya Tsoncheva, Momtchil Dimitrov, Christo Mintchev, Helmut Knözinger: FTIR Study of CO Adsorption on Cu-MCM-41 and Cu-MCM-48. In: Applied Catalysis A: General, 2003, 331-340
2003Elena Ivanova, Konstantin Hadjiivanov: FTIR Study of CO Adsorption on Rh-ZSM-5. In: Physical Chemistry and Chemical Physics, 2003, 655-661
2003Konstantin Hadjiivanov, Tzvetomir Venkov: FTIR Study of CO Interaction with Cu/TiO2. In: Catalysis Communications, 2003, 209-213
2003Konstantin Hadjiivanov, Elena Ivanova, Helmut Knözinger: FTIR Study of Low-temperature CO Adsorption on Y zeolite Exchanged with Be2+, Mg2+, Ca2+, Sr2+ and Ba2+ Cations. In: Microporous and Mesoporous Materials, 2003, 225-236
2003Boiko Tsyntsarski, Valentin Avreyska, Hristo Kolev, Tzvetana Marinova, Dimitar Klissurski, Konstantin Hadjiivanov: FTIR Study of the Nature and Reactivity of Surface NOx Compounds Formed after NO Adsorption and NO + O2 Coadsorption on Ziconia- and Sulfated Zirconia-supported Cobald. In: Journal of Molecular Catalysis, A: Chemical, 2003, 139-149
2003S. Kannan, D. Kishore, Konstantin Hadjiivanov, H. Knözinger: FTIr Study of Low-temperature CO Adsorption on Mg-hydrotalcites. In: Langmuir, 2003, 5742-5747
2003Tzvetomir Venkov, Konstantin Hadjiivanov, Atanas Milushev, Dimitar Klissurski: Fourier Transform Infrared Spectroscopy Study of the Nature and Reactivity of NOx Compounds Formed after Coadsorption of No and O2 on Cu/ZrO2. In: Langmuir, 2003, 3323-3332
2003Konstantin Hadjiivanov, Boiko Tsyntarski, Tzvetomir Venkov, Marco Daturi, Jacques Saussey, Jean-Claude Lavalley: New Types of Polycarbonyls of Co+ Formed after Interaction of CO with CoZSM5: An FTIR Spectroscopic Study. In: Physical Chemistry and Chemical Physics, 2003, 243-245
2003P. Vijayanand, K. Chakarova, Konstantin Hadjiivanov, P. Lukinskas, H. Knözinger: On the Nature of Pdn+ Surface Carbonyl and Nittrosyl Complexes Formed on Pd-promoted Tungstated Zirconia Catalyst. In: Physical Chemistry and Chemical Physics, 2003, 4040-4044
2003Radu Craciun, B. Netwick,Konstantin Hadjiivanov, Helmut Knözinger: Structure and Redox Properties of MnOx/Yttruim-stabilized Zirconiy (YSZ) Catalyst and its Used in CO and CH4 Oxidation. In: Applied Catalysis A: General., 2003, 67-79
2002Konstantin Hadjiivanov, G. Vayssilov: CO as a Probe Molecule in the Characterization of Oxide Surfaces and Zeolites. In: Adv. Catal., 2002, 307-511
2002Konstantin Hadjiivanov, Georgi N. Vayssilov: Characterization of Oxide Surfaces and Zeolites by Carbon Monoxide as an IR Probe Molecule. In: Adv. Catal. , 2002, 307-511
2002Konstantin Hadjiivanov, Povilas Lukinskas, Helmut Knözinger: Detection of reduced Wn+ sites on WO3-ZrO2 and Pt/WO3-ZrO2 catalysts by infrared spectroscopy of adsorbed NO. In: Catalysis Letters, 2002, 73-77
2002Konstantin Hadjiivanov, H. Knözinger, M. Mihaylov: FTIR Study of CO Adsorption on Ni-ZSM-5. In: J. Phys. Chem. B, 2002, 2518-2624
2002Anna Penkova, Konstantin Hadjiivanov, Dimitar Klissurski: FTIR Study of CO adsorption on Chromia Surfaces with Different Oxitation Degrees. In: Bulgarian Chemical Communications, 2002, 298-309
2002M. Mihaylov, Konstantin Hadjiivanov: FTIR Study of CO and NO Coadsorption on NI-ZSM-5 and Ni/SiO2. In: Langmuir, 2002, 4376-4383
2002Konstantin Hadjiivanov, H. Knzinger, A. Milushev: FTIR study of low-temperature CO adsorption on Cu/silicalite-1. In: Catalysis Communications, 2002, 37-44
2002Konstantin Hadjiivanov, Elena Ivanova, Margarita Kantcheva, Erkan Z. Ciftlikli, Dimitar Klissurski, Lubomir Dimitrov, Helmut Knözinger: FTIR study of low-temperature CO adsorption on Mn-ZSM-5 and MnY zeolites. Effect of the zeolite matrix on the formation on Mu2+(CO)x geminal species. In: Catalysis Communications, 2002, 313-319
2002Tzevetomir Venkov, Konstantin Hadjiivanov, Dimitar Klissurski: IR soectroscopy study of NO adsorption and NO+O2 co-adsorption on Al2O3. In: Phys. Chem. Chem. Phys., 2002, 2443-2448
2002T. Weingang, S. Kuba, Konstantin Hadjiivanov, H. Knözinger: Nature and Reactivity of the surface Species Formed After NO Adsorption and NO+O2 Coadsorption on a WO3-ZrO2 Catalyst: an FTIR Spectroscopic Study. In: J. Catal., 2002, 539-546
2002Konstantin Hadjiivanov, V. Avreyska, D. Klissurski, T. Marinova: Surface Species Formed after No Adsorption and NO + O2 Coadsorption on ZrO2 and Sulfated ZrO2: An FTIR Spectroscopic Study. In: Langmuir, 2002, 1619-1625
2002Konstantin Hadjiivanov, P. Likinskas, H. Knözinger: Use of NO as an IR Pprobe Molecule for Detection of Reduced Wn+ Sites on WO2-ZrO2 and Pt/WO3-ZrO2 Catalysts. In: Catal. Lett, 2002, 73-77
2001Konstantin Hadjiivanov, E. Ivanova, D. Klissurski, M. Bevilacqua, T. Armaroli, G. Busca: FTIR Study of Species Arising after NO Adsorption and NO+O2 co-adsorption on CoY: comparison with Co-ZSM-5. In: Microporous Mesoporous Mater., 2001, 299-309
2001Konstantin Hadjiivanov, H. Knözinger: FTIR Study of the CO and NO Adsorption and Co-adsorption on a Cu/SiO2 Catalyst: Probing the Oxidation State of Copper. In: Phys. Chem. Chem. Phys., 2001, 1132-1137
2001Konstantin Hadjiivanov, Tzvetomir Venkov, Helmut Knözinger: FTIR spectroscopic study of CO adsorption on Cu/SiO2: formation of new types of copper carbonyls. In: Catalysis Letters, 2001, 55-59
2001Konstantin Hadjiivanov, Atanas Milushev: FTIR study of CO and NOx adsorption and co-adsorption on Cu/silicalite-1. In: Phys. Chem. Chem. Phys., 2001, 5337-5341
2001Konstantin Hadjiivanov, H. Knözinger, E. Ivanova, L. Dimittrov: FTIR study of Low-temperature CO and 15N2 adsorption on a CaNaY zeolite: formation of site-specified Ca2+(CO)3 and Ca2+(15N2)3 complexes. In: Phys. Chem. Chem. Phys., 2001, 2531-2436
2001Konstantin Hadjiivanov, H. Knözinger: Formation of Ca2+(CO)3 Species during Low-temperature CO Adsorption on CaNaY Zeolite. In: J. Phys. Chem. B, 2001, 4531-4534
2001Konstantin Hadjiivanov, M. Mihaylov, H. Knözinger: Formation of Ni(CO)4 during the interaction between CO and silica-supported nickel catalyst: an FTIR spectroscopic study. In: Catalyses Letters, 2001, 59-63
2001Konstantin Hadjiivanov, V. Avreyska, G. Tzvetkov, P. Stefanov, C. Chupin, C. Mirodatos, Ts. Marinova: Selective catalytic reduction of NOchi by methane over Co/ZrO2 catalysts. In: Surf. Interface Anal., 2001, 175-178
2001Konstantin Hadjiivanov, Elena Ivanova, Dimitar Klissurski: Site-specified and complex-specified formation of geminal species during adsorption of small molecules on cationic sites. In: Catalysis Today, 2001, 73-82
2000Prof. Dr. Konstantin Hadjiivanov, M. Mihaylov, D. Klissurski: Effect of Passivation on the Controlled Preparation of Silica-supported Nickel Catalysts by Means of Successive Adsorption and Reduction. In: Proceedings of the 9th International Symposium Heterogeneous Catalysis, 2000, 387-392
2000Konstantin Hadjiivanov, Elena Z. Ivanova, Dimitar G. Klissurski: Simultaneous Coordination Of Two And Three Small Molecules To One Surface Cationic Site. In: Bulgarian Chemical Communication, 2000, 388-408