Research articles:
New Approach to Prepare Highly Dispersed non-Noble (Bi)metallic
Nanoparticles Supported on Ordered Mesoporous Silicas for Catalytic
First year results
- 1. A. Ungureanu, B. Dragoi, V. Hulea, T. Cacciaguerra, D. Meloni, V. Solinas, E. Dumitriu, Effect of aluminium incorporation by the "pH-adjusting" method on the structural, acidic and catalytic properties of mesoporous SBA-15, Microporous and Mesoporous Materials 163 (2012) 51- 64.
Contributions to the international scientific meetings:
- 1. Brindusa Dragoi, Adrian Ungureanu, Alexandru Chirieac, Carmen Ciotonea, Sebastien Royer, Daniel Duprez, Emil Dumitriu, Highly Dispersed CuCo (Bi)metallic Catalysts Prepared by Deposition-Precipitation on Mesoporous SBA-15 Support for the Cinnamaldehyde Hydrogenation, 4th EuCheMS Chemistry Congress, August 26-30, 2012 Prague.
- 2. Emil Dumitriu, Brindusa Dragoi, Adrian Ungureanu, Alexandru Chirieac, Carmen Ciotonea, Sebastien Royer, Daniel Duprez, Mild drying impregnation method used for the preparation of mesostructured catalytic materials containing Cu, Ni and Co as active phase in hydrogenation of cinnamaldehyde, 4th EuCheMS Chemistry Congress, August 26-30, 2012 Prague.
- 3. Adrian Ungureanu, Alexandru Chirieac, Brindusa Dragoi, Sebastien Royer, Daniel Duprez, Emil Dumitriu, Bimetallic NiCu nanoparticles confined in the mesopores of SBA-15 as effective catalysts in the hydrogenation of cinnamaldehyde, 4th EuCheMS Chemistry Congress, August 26-30, 2012 Prague.
- 4. Adrian Ungureanu, Brindusa Dragoi, Alexandru Chirieac, Carmen Ciotonea, Sebastien Royer, Daniel Duprez, Emil Dumitriu, SBA-15 supported cobalt nanoparticles as new chemoselective catalysts for the hydrogenation of cinnamaldehyde, Symposium "Catalysis: From the Active Site to the Process", October 8-9, 2012, Lisbon, Portugal.
- 5. Rudolf Constantin, Chirieac Alexandru, Dragoi Brindusa, Ungureanu Adrian, Dumitriu Emil, Preparation of Hydrogenation Catalysts by Bimetallic Precursors Co-precipitation on Mesoporous SBA-15, GECOM-CONCOORD, June 03-08, 2012, Metabief, France.
- 6. Chirieac Alexandru, Dragoi Brindusa, Ungureanu Adrian, Carmen Ciotonea, Sebastien Royer, Daniel Duprez, Dumitriu Emil, Mono-metallic Cu catalysts prepared by mild drying impregnation (MDI), two-solvent (TS) and deposition-precipitation (DP) methods on mesoporous SBA-15 support for the cinnamaldehyde hydrogenation, "International Conference: Centenary of Education in Chemical Engineering", November 28-30, 2012, Iasi, Romania.
Second year results
Research articles:
- 1. Adrian Ungureanu, Brindusa Dragoi, Alexandru Chirieac, Carmen Ciotonea, Sebastien Royer, Daniel Duprez, Anne Sophie Mamede, Emil Dumitriu, Composition Dependent Morpho-structural Properties of Bimetallic Ni-Cu Oxide Nanoparticles Confined within the Channels of Ordered Mesoporous SBA-15 Silica, ACS Appl. Mater. Interfaces, 5 (8) (2013) 3010-3025; F.I. = 5.008.
- 2. B. Dragoi, A. Ungureanu, A. Chrieac, V. Hulea, S. Royer, E. Dumitriu, Enhancing performance of SBA-15 - supported copper catalysts by chromium addition for the chemoselective hydrogenation of cinnamaldehyde, Catal. Sci. Technol., 3 (2013) 2319-2329; F.I. = 3.753.
- 3. Carmen Ciotonea, Brindusa Dragoi, Adrian Ungureanu, Alexandru Chirieac, Sabine Petit, Sebastien Royer, Emil Dumitriu, Nanosized transition metals in controlled environments of phyllosilicate-mesoporous silica composites as highly thermostable and active catalysts, Chem. Commun., 49 (2013) 7665-7667; F.I. = 6.378.
- 4. Constantin Rudolf, Alexandru Chirieac, Brindusa Dragoi, Adrian Ungureanu, Emil Dumitriu, Buletinul Institutului Politehnic din Iasi, Effect of the Metal Loading Degree and the Impregnation Method on the Structural, Textural and Catalytic Properties of CuNi/SBA-15 Materials, LIX(LXIII)-2 (2013) 9-22; BDI, CNCSIS B+.
Contributions to the international scientific meetings:
- 1. B Dragoi, A. Ungureanu, A. Chirieac, C. Ciotonea, S. Royer, D. Duprez, E. Dumitriu, Hydrogenation of cinnamaldehye over Co/SBA-15 catalysts prepared by different methods, Third International Conference on Multifunctional, Hybrid and Nanomaterials, March 03-07, 2013, Sorrento, Italy.
- 2. A. Ungureanu, B. Dragoi, A. Chirieac, C. Ciotonea, C. Rudolf, S. Royer, D. Duprez, E. Dumitriu, Copper nanoparticles supported on ordered mesoporous SBA-15 silica as effective catalysts for the selective hydrogenation of cinnamaldehyde, Third International Conference on Multifunctional, Hybrid and Nanomaterials, March 03-07, 2013, Sorrento, Italy.
- 3. E. Dumitriu, A. Ungureanu, B. Dragoi, C. Ciotonea, C. Rudolf, A. Chirieac, S. Royer, D. Duprez, The synergistic effects in the bimetallic Ni-Cu nanoparticles supported on SBA-15, Third International Conference on Multifunctional, Hybrid and Nanomaterials, March 03-07, 2013, Sorrento, Italy.
- 4. B. Dragoi, A. Ungureanu, A. Chirieac, C. Ciotonea, V. Hulea, S. Royer, E. Dumitriu, Promoting effect of nickel and chromium on the catalytic properties of SBA-15 supported copper catalyst in the hydrogenation of cinnamaldehyde, International Symposium of The Romanian Catalysis Society RomCat, May 29-31, 2013, Cluj-Napoca, Romania.
- 5. A. Ungureanu, B. Dragoi, A. Chirieac, C. Ciotonea, S. Royer, D. Duprez, E. Dumitriu, Effect of chemical composition on the structure evolution and catalytic performance of Ni-Cu/SBA-15 materials, International Symposium of The Romanian Catalysis Society RomCat, May 29-31, 2013, Cluj-Napoca, Romania.
- 6. C. Ciotonea, B. Dragoi, A. Ungureanu, A. Chirieac, S. Petit, S. Royer, E. Dumitriu, Metallic nanoparticles stabilized on the surface of SBA-15 mesoporous silica via phyllosilicate phases: effect on the chemoselective hydrogenation of cinnamaldehyde, XV International Clay Conference, July 07-11, 2013, Rio de Janeiro, Brazilia.
- 7. B. Dragoi, V. Hulea, A. Ungureanu, A. Chirieac, E. Dumitriu, Improving the dispersion and catalytic performance of copper particles supported on SBA-15 by chromium addition, EuropaCat, September 01-06, 2013, Lyon, France.
- 8. E. Dumitriu, B. Dragoi, A. Ungureanu, C. Ciotonea, A. Chirieac, S. Royer, D. Duprez, Chemoselective hydrogenation of cinnamaldehyde over Ni and Co active phases stabilized into the pores of SBA-15 silica, EuropaCat, September 01-06, 2013, Lyon, France.
- 9. A. Ungureanu, B. Dragoi, C. Ciotonea, A. Chirieac, C. Rudolf, S. Royer, D. Duprez, E. Dumitriu, Effect of the Preparation Method on the Structural and Catalytic Properties of Copper Nanoparticles Supported on Mesoporous SBA-15 Silica, EuropaCat, September 01-06, 2013, Lyon, France.
Third year results
Contributions to the international scientific meetings:
- 1. A. Chirieac, B. Dragoi, A. Ungureanu, C. Ciotonea, S. Royer, E. Rombi, I. Ferino, E. Dumitriu, Influence of the Preparation Method on the Morphostructural and Catalytic Properties of Ni-Promoted Cu/SBA-15 in CO Oxidation and Hydrogenation of Cinnamaldehyde, 30ème réunion du Groupe Français des Zéolithes, March 19-21, 2014, Ile de Ré, France
- 2. C. Ciotonea, B. Dragoi, A. Ungureanu, S. Petit, S. Royer, E. Dumitriu, Highly dispersed TM oxide in mesoporous materials through melt infiltration method. Towards the genesis of highly active metallic catalyst, 7th International Symposium Nanoporous Materials, Niagara Falls, Canada, June 22 – 25, 2014;
- 3. A. Chirieac, A.R. Ifrim, C. Ciotonea, B. Dragoi, A. Ungureanu, S. Royer, E. Dumitriu, Structure and catalytic performance of ordered mesoporous silica-supported copper–cobalt nanoparticles for hydrogenation reactions, 2nd International Conference on Chemical Engineering, Romania, Iași, November 5 - 8, 2014.
Fourth year results
Research articles:
- 1. Audemar, M.; Ciotonea, C.; De Oliveira Vigier K.; Royer, S.; Ungureanu, A.; Dragoi, B.; Dumitriu, E.; Jérôme, F., Hydrogenation of furfural to furfuryl alcohol in the presence of a recyclable Co/SBA-15 catalyst; ChemSusChem, 8 (2015) 1885-1891; F.I. = 7.652
- 2. Rudolf, C; Abi-Ghaida, F; Dragoi, B; Ungureanu, A; Mehdi, A; Dumitriu, E, An efficient route to prepare highly dispersed metallic copper nanoparticles on ordered mesoporous silica with outstanding activity for hydrogenation reactions, Catal. Sci. Technol., 5 (2015), 3735-3745; F.I. = 5.426
- 3. Dragoi, B, Ungureanu, A.; Ciotonea, C., Chirieac, A.; Petit, S.; Royer, S.; Dumitriu, E., Controlling the distribution of cobalt (oxide) nanoparticles in SBA-15 scaffolds by impregnation to achieve high performance hydrogenation catalysts., Microporous and Mesoporous Mater., 2015; DOI: 10.1016/j.micromeso.2015.11.028; F.I. = 3.453
- 1. Brindusa Dragoi, Adrian Ungureanu, Alexandru Chirieac, Carmen Ciotonea, Sebastien Royer, Emil Dumitriu, Co/SBA-15 Materials as Chemoselective Catalysts for the Hydrogenation of C=O Bond in Unsaturated Aldehydes, ICEEM 08, Iasi, Romania, September 09-12, 2015
- 2. Alexandru Chirieac, Carmen Ciotonea, Brindusa Dragoi, Adrian Ungureanu, Sebastien Royer, Emil Dumitriu, Effect of Local Environment on the Catalytic Properties of Bimetallic CuNi Nanoparticles Supported on LDH and Mesoporous Supports, ICEEM 08, Iasi, Romania, September 09-12, 2015
- 3. Adrian Ungureanu, Brindusa Dragoi, Alexandru Chirieac, Carmen Ciotonea, Irina Mazilu, Constantin Rudolf, Sebastien Royer, Emil Dumitriu, Nanosized Copper Catalysts Supported on Ordered Mesoporous Silica: Synthesis and Application in Hydrogenation Reactions, ICEEM 08, Iasi, Romania, September 09-12, 2015
- 4. K. De Oliveira Vigier, M. Audemar, C Ciotonea, S.Royer, A. Ungureanu, F. Jérôme, Catalytic conversion of furfural to furfuryl alcohol in the presence of a Co/SBA-15 catalyst, 3nd International Congress on Catalysis for Biorefineries, Rio de Janeiro, Brazil, September 28-30, 2015
- 5. C. Ciotonea, B. Drăgoi, A. Ungureanu, A. Chirieac, S. Petit, S. Royer, E. Dumitriu Transition metal nanoparticles derived from phyllosilicates stabilized on SBA-15 mesoporous silica as efficient catalysts, Euroclay2015, Edinburgh United Kingdom, July 5-10, 2015
- 6. Maïté Audemar, Carmen Ciotonea, Adrian Ungureanu, François Jérôme, Sébastien Royer, Karine De Oliveira Vigier, Hydrogénation catalytique du furfural en alcool furfurylique, GECat 2015, Saint-Nabor, France, 26-29 mai 2015
- 1. Dragoi, B, Ungureanu, A.; Ciotonea, C., Chirieac, A.; Petit, S.; Royer, S.; Dumitriu, E., Controlling the distribution of cobalt (oxide) nanoparticles in the dual pore system of SBA-15 scaffolds., Microporous and Mesoporous Mater., 224 (2016) 176-189; F.I. = 3.453
- 2. Chirieac, A.; Dragoi, B, Ungureanu, A.; Ciotonea, C., Mazilu, I.; Royer, S.; Mamede, A-S.; Rombi, E.’ Italo, F.; Dumitriu, E., Facile synthesis of highly dispersed and thermally stable copper-based nanoparticles supported on SBA-15 occluded with P123 surfactant for catalytic applications, J. Catal., 339 (2016) 270-283; F.I. = 7.354
- 1. Carmen Ciotonea, Brindusa Dragoi, Adrian Ungureanu, Alexandru Chirieac, Sabine Petitc, Sebastien Royer, Emil Dumitriu, Cobalt - based catalysts supported on SBA-15 for the chemoselective hydrogenation of cinnamaldehyde. Effect of the preparation method, Indo-French Symposium 2016 ’Catalysis for Sustainable and Environmental Chemistry’, Lille, Romania, iunie 27-30, 2016
- 2. Alexandru Chirieac, Brindusa Dragoi, Adrian Ungureanu, Carmen Ciotonea, Sebastien Royer, Emil Dumitriu, Encapsulation of cobalt based nanoparticles into micro- and mesopores of SBA-15 silica, 17th Nordic Symposium on Catalysis, Lund, Suedia, iunie 14-16, 2016
- 3. Irina Mazilu, Brindusa Dragoi, Fatima Abi-Ghaida, Alexandru Chirieac, Adrian Ungureanu, Ahmad Mehdi, Emil Dumitriu, Synthesis of highly dispersed copper nanoparticles on ordered mesoporous silica with high activity and selectivity for the hydrogenation of cinnamaldehyde, 17th Nordic Symposium on Catalysis, Lund, Suedia, iunie 14-16, 2016
- 4. Irina Mazilu, Brindusa Dragoi, Adrian Ungureanu, Alexandru Chirieac, Carmen Ciotonea, Sebastien Royer, Emil Dumitriu, Stabilization of nano-sized Co-based bimetallic nano- particles into the mesochannels of SBA-15 silica, 3rd International Conference on Chemical Engineering, Iasi, Romania, noiembrie 09-11, 2016
Contributions to the international scientific meetings:
Fifth year results
Research articles:
Contributions to the international scientific meetings: