NANOFUNCTIONAL AND NANOCOMPOSITE MATERIALS – Publications-Journals

I. Papailias, N. Todorova, T. Giannakopoulou, D. Dvoranova, V. Brezova, D. Dimotikalic, C. Trapalis, “Selective removal of organic and inorganic air pollutants by adjusting the g-C3N4/TiO2 ratio”, Catalysis Today 361 (2021) 37-42. https://www.sciencedirect.com/science/article/abs/pii/S0920586119306704

T. Giannakopoulou, G. Pilatos, N. Todorova, N. Boukos, T. Vaimakis, I. Karatasios, C. Trapalis, “Effect of processing temperature on growing bamboo-like carbon nanotubes by chemical vapor deposition”, Materials Today Chemistry 19 (2021) 100388. https://www.sciencedirect.com/science/article/abs/pii/S2468519420301488

N. Todorova, I. Papailias, T. Giannakopoulou, N. Ioannidis, N. Boukos, P. Dallas, M. Edelmannova, M. Reli, K. Koci, C. Trapalis, Photocatalytic H2 Evolution, CO2  Reduction, and NOx Oxidation by highly Exfoliated g-C3N4”, Catalysts 10 (2020) 1147. https://www.mdpi.com/2073-4344/10/10/1147

T. Giannakopoulou, N. Todorova, A. Erotokritaki, N. Plakantonaki, A. Tsetsekou, C. Trapalis, “Electrochemically deposited graphene oxide thin film supercapacitors: Comparing liquid and solid electrolytes”, Applied Surface Science 528 (2020) 1468012. https://www.sciencedirect.com/science/article/abs/pii/S0169433220315580

I. Papailias, N. Todorova, T. Giannakopoulou, N. Ioannidis, P. Dallas, D. Dimoticali, C. Trapalis, “Torus Shaped g-C3N4 by Flame Spray Pyrolysis”, Applied Catalysis B: Environmental 268 (2020) 118733. https://www.sciencedirect.com/science/article/abs/pii/S092633732030148X

I.G. Athanasoulia, K. Giachalis, D. Korres, N. Todorova, T. Giannakopoulou, P. Tarantili, C. Trapalis, “Study of thermomechanical, structural and antibacterial properties of poly (lactic acid) reinforced with graphene oxide nanoparticles via melt mixing”, Polymer International 69 (2020) 995-1007. https://onlinelibrary.wiley.com/doi/abs/10.1002/pi.6054

I.G. Athanasoulia,  K. Giachalis, N. Todorova, T. Giannakopoulou, P. Tarantili, C. Trapalis,    “Preparation of hybrid composites of PLLA using GO/PEG masterbatch and their characterization”, J. Thermal Analysis and Calorimetry 143 (2020) 3385-3399. https://link.springer.com/article/10.1007/s10973-019-09227-z

Y. Yang, Y. Tang, H.Jiang, Y.Chen, P.Wan, M. Fan, R. Zhang, S. Ullah, L. Pan, J.-J. Zou, M. Lao, W. Sun, C. Yang, G. Zheng, Q. Peng, T. Wang, Y. Luo, X. Sun, A. S Konev, O. V Levin, P. Lianos, H. Zhuofeng, Z. Shen, Q. Zhao, Y. Wang, N. Todorova, C. Trapalis, M. V Sheridan, H. Wang, L. Zhang, S. Sun, W. Wang, J. Ma, “2020 roadmap on gas-involved photo- and electro-catalysis”, Chinese Chemical Letters 30 (2019) 2089-2109. https://www.sciencedirect.com/science/article/abs/pii/S100184171930645X

F. Markoulidis, N. Todorova, R. Grilli, C. Lekakou, C. Trapalis, “Composite electrodes of activated carbon and multiwall carbon nanotubes decorated with silver nanoparticles for high power energy storage”, Journal of Composite Science 3 (2019) 97. https://www.mdpi.com/2504-477X/3/4/97

D. Papoulis, K. Somalakidi, N. Todorova, C. Trapalis, D. Panagiotaras, D. Sygkridou,E. Stathatos, E. Gianni, S. Komarneni, “Sepiolite/TiO2 and metal ion modified Sepiolite/TiO2 nanocomposites: Synthesis, Characterization and Photocatalytic activity in abatement of NOx gases”, Applied Clay Science 179 (2019) 105156. https://www.sciencedirect.com/science/article/abs/pii/S0169131719302145

T. Georgakopoulos, N. Todorova, S. Karapati, K. Pomoni, C. Trapalis, “Photoconductivity studies on surface modified TiO2 nanoparticles”, Materials Science in Semiconductor Processing 99 (2019) 175-181. https://www.sciencedirect.com/science/article/abs/pii/S136980011930188X

D.T. Vaimakis-Tsogkas, D.G. Bekas, T. Giannakopoulou, N. Todorova, A.S. Paipetis, N.-M. Barkoula, “Effect of TiO2 addition/coating on the performance of polydimethylsiloxane-based silicone elastomers for outdoor applications”, Materials Chemistry and Physiscs 223 (2019) 366-373. https://www.sciencedirect.com/science/article/abs/pii/S0254058418309696

I. Papailias, N. Todorova, N. Ioannidis, T. Giannakopoulou, C. Athanassekou, N. Boukos, D. Dimotikal, C. Trapalis, “Chemical vs Thermal Exfoliation of g-C3N4 for NOx Removal under Visible Light Irradiation”, Applied Catalysis B: Environmental 239 (2018) 16-26. https://www.sciencedirect.com/science/article/abs/pii/S0926337318307215

V. Lionas, T. Georgakopoulos, N. Todorova, S. Karapati, K. Pomoni, C. Trapalis, “Electron transport in surface modified TiO2 nanoparticles”, Materials Science in Semiconductor Processing 83 (2018) 63–69. https://www.sciencedirect.com/science/article/abs/pii/S1369800118302907

M. Triantou, N. Todorova, T. Giannakopoulou, T. Vaimakis, C. Trapalis, “Physical properties of photo-aged graphene/polypropylene nanocomposites”, J. Nanoscience and Nanotechnology 18 (2018) 5033-5041. https://www.ingentaconnect.com/contentone/asp/jnn/2018/00000018/00000007/art00073

E. Vermisoglou, T. Giannakopoulou, N. Todorova, T. Vaimakis, N. Boukos, D. Petridis, C. Trapalis, “2-Dimensional clay/reduced graphene oxide ordered heterostructures dispersible in water via a one-step hydrothermal route”, J. Nanoscience and Nanotechnology 18 (2018) 4684-4691. https://www.ingentaconnect.com/contentone/asp/jnn/2018/00000018/00000007/art00029

E. Vermisoglou, T. Giannakopoulou, N. Todorova, T. Vaimakis, N. Boukos, D. Petridis, C. Trapalis, “Organoclay/Graphitic Nanoplatelets Lamellar Hybrid Composites”, J. Nanoscience and Nanotechnology 18 (2018) 7797-7803. https://www.ingentaconnect.com/contentone/asp/jnn/2018/00000018/00000011/art00069

I. Arabatzis, N. Todorova, I. Fasaki, C. Tsesmeli, A. Peppas, Wen Xin Li, Zhiwei Zhao, “Photocatalytic self-cleaning, antireflective coating for photovoltaic panels: characterization and monitoring in real conditions”, Solar Energy 159 (2018) 251-259. https://www.sciencedirect.com/science/article/abs/pii/S0038092X17309684

I. Papailias, N. Todorova, T. Giannakopoulou, S. Karapati, N. Boukos, D.Dimotikali, C. Trapalis, “Enhanced NO2 abatement by alkaline-earth modified g-C3N4 nanocomposites for efficient air purification”, Applied Surface Science 430 (2018) 225-233. https://www.sciencedirect.com/science/article/abs/pii/S0169433217324194

S. Karapati, T. Giannakopoulou, N. Todorova, N. Boukos, I. Papailias, D. Dimotikali, C. Trapalis, “Novel ‘Pickering’ modified TiO2 photocatalysts with high De-NOx efficiency”, Catalysis Today 287 (2017) 45-51. https://www.sciencedirect.com/science/article/abs/pii/S0920586117300445

M. Triantou, N. Todorova, T. Giannakopoulou, T. Vaimakis, C. Trapalis, “Mechanical performance of re‐extruded and aged graphene/polypropylene nanocomposites”, Polymer International 66 (2017) 1716-1724. https://onlinelibrary.wiley.com/doi/abs/10.1002/pi.535

T. Georgakopoulos, A. Apostolopoulou, N. Todorova, K. Pomoni, C. Trapalis, E. Stathatos, “Evaluation of photoconductive and photoelectrochemical properties of mesoporous nanocrystalline TiO2 powders and films prepared in acidic and alkaline media”, Journal of Alloys and Compounds 692 (2017) 313-321. https://www.sciencedirect.com/science/article/abs/pii/S0925838816327748

I. Papailias, N. Todorova, T. Giannakopoulou, Jiaguo Yu, D. Dimotikali, C. Trapalis, “Photocatalytic activity of modified g-C3N4/TiO2 nanocomposites for NOx removal”, Catalysis Today 280 (2016) 37-44. https://www.sciencedirect.com/science/article/abs/pii/S0920586116304333

N. Todorova, T. Giannakopoulou, N. Boukos, E. Vermisoglou, C. Lekakou, C. Trapalis, “Self-propagating solar light reduction of graphite oxide in water”, Applied Surface Science 391 (2017) 601-608. https://www.sciencedirect.com/science/article/abs/pii/S0169433216308388

T. Giannakopoulou, I. Papailias, N. Todorova, N. Boukos, Y. Liu, Jiaguo Yu, C. Trapalis, “Tailoring the energy band gap and edges’ potentials of g-C3N4/TiO2 composite photocatalysts for NOx removal”, Chemical Engineering Journal 310 (2016) 571-580. https://www.sciencedirect.com/science/article/abs/pii/S138589471501774X

T. Georgakopoulos, M.V. Sofianou, K. Pomoni, N. Todorova, T. Giannakopoulou, C. Trapalis, “The environment effect on the electrical conductivity and photoconductivity of anatase TiO2 nanoplates with silver nanoparticles photodeposited on {101} crystal facets”, Materials Science in Semiconductor Processing 56 (2016) 386-393. https://www.sciencedirect.com/science/article/abs/pii/S1369800116303547

E. Vermisoglou, M. Giannouri, N. Todorova, T. Giannakopoulou, C. Lekakou, C. Trapalis, “Recycling of typical supercapacitor materials”, Waste Management and Research 34 (2016) 337-344. https://journals.sagepub.com/doi/abs/10.1177/0734242×15625373

C. Trapalis, N. Todorova, T. Giannakopoulou, N. Boukos, T. Speliotis, D. Dimotikali, Jiaguo Yu, “TiO2/Graphene composite photocatalysts for NOx removal: A comparison of surfactant-stabilized graphene and reduced graphene oxide”, Applied Catalysis B Environmental 180 (2016) 637-647. https://www.sciencedirect.com/science/article/abs/pii/S0926337315300291

I. Papailias, M. Gianouri, A. Trapalis, N. Todorova, T. Giannakopoulou, N. Boukos, T. Lekakou. “Decoration of crumpled rGO sheets with Ag nanoparticles by spray pyrolysis”, Applied Surface Science 358 (2015) 84-90. https://www.sciencedirect.com/science/article/abs/pii/S016943321501956X

I. Papailias, T. Giannakopoulou, N. Todorova, D. Demotikali, T. Vaimakis, C. Trapalis, “Effect of processing tremperature on structure and photocatalytic properties of g-C3N4”, Applied Surface Science 358 (2015) 278–286. https://www.sciencedirect.com/science/article/abs/pii/S0169433215019108

S. Karapati, T. Giannakopoulou, N. Todorova, N. Boukos, D. Dimotikali, C. Trapalis, “Eco-efficient TiO2 Modification for Air Pollutants Oxidation”, Applied Catalysis B Environmental 176-177 (2015) 578-585. https://www.sciencedirect.com/science/article/abs/pii/S0926337315001939

N. Todorova, T. Giannakopoulu, K. Pomoni, Jiaguo Yu, T. Vaimakis, C. Trapalis, “Photocatalytic NOx Oxidation over Modified ZnO/TiO2 Thin Films”, Catalysis Today 252 (2015) 41-46. https://www.sciencedirect.com/science/article/abs/pii/S0920586114007536

T. Georgakopoulos, N. Todorova, K. Pomoni, C. Trapalis, “On the transient photoconductivity behavior of TiO2/ZnO composite thin films”, Journal of Non-Crystalline Solids 410 (2015) 135-141. https://www.sciencedirect.com/science/article/abs/pii/S0022309314006358

S. Karapati, T. Giannakopoulou, N. Todorova, N. Boukos, S. Antiohos, D. Dimotikali, D. Papageorgiou, E. Haniotakis, C. Trapalis, “TiO2 functionalization for efficient NOxremoval in photoactive cement”, Applied Surface Science 319 (2014) 29-36. https://www.sciencedirect.com/science/article/abs/pii/S0169433214016900

N. Todorova, T. Giannakopoulou, S. Karapati, D. Petridis, T. Vaimakis, C. Trapalis, “Composite TiO2/Clays Materials for Photocatalytic NOx Oxidation”, Applied Surface Science 319 (2014) 113-120. https://www.sciencedirect.com/science/article/abs/pii/S0169433214015451

A. Athanasiou, A. Mitsionis, T. Vaimakis, P. Pomonis, D. Petrakis, L. Loukatzikou, N. Todorova, C, Trapalis, S. Ladas, “A novel route for the production of TiO2 photocatalysts with low energy gap, via Triton-X and oleic acid surfactants”, Applied Surface Science 319 (2014) 143-150. https://www.sciencedirect.com/science/article/abs/pii/S0169433214013889

A. Athanasiou, A. Mitsionis, G. Skouras, N. Todorova, C. Trapalis, T. Vaimakis, “Thermogravimetric study of the surfactant-diethanolamine-titanium isopropoxide system behavior”, Journal of Thermal Analysis and Calorimetry 116 (2014) 15-25. https://link.springer.com/article/10.1007/s10973-013-3407-6

T. Giannakopoulou, N. Todorova, M. Giannouri, J. Yu, C. Trapalis, “Optical and Photocatalytic Properties of Composite TiO2/ZnO Thin Films”, Catalysis Today 230 (2014) 174-180.https://www.sciencedirect.com/science/article/abs/pii/S092058611300463X

M. Giannouri, Th. Kalabaliki, N. Todorova, T. Giannakopoulou, N. Boukos, D. Petrakis, T. Vaimakis, C. Trapalis, “One-step synthesis of TiO2/Perlite composties by flame spray pyrolysis and their photocatalytic behavior”, International Journal of Photoenergy, Issue “Environmental Photocatalysis 2013” (2013) article number 729460. https://www.hindawi.com/journals/ijp/2013/729460/

N. Todorova, T. Vaimakis, T. Giannakopoulou, S. Hishita, C. Trapalis, “N- and N-C- Doped TiO2 Powders and Visible Light Activity”, Nanoscience and Nanotechnology Letters 5 (2013) 474-479. https://www.ingentaconnect.com/contentone/asp/nnl/2013/00000005/00000004/art00009

N. Todorova, T. Vaimakis, D. Petrakis, S. Hishita, N. Boukos, T. Giannakopoulou, M. Giannouri, S. Antiohos, D. Papageorgiou, E. Haniotakis, C. Trapalis, “N and N,S-doped TiO2 photocatalysts and their activity in NOx oxidation”, Catalysis Today 209 (2013) 41-46. https://www.sciencedirect.com/science/article/abs/pii/S0920586112008309

T. Giannakopoulou, N. Todorova, G. Romanos, T. Vaimakis, R. Dillert, D. Bahnemann, C. Trapalis, “Composite hydroxyapatite/TiO2 materials for photocatalytic oxidation of NOx”, Materials Science and Engineering B 117 (2012) 13, 1046-1052. https://www.sciencedirect.com/science/article/abs/pii/S0921510712003157

A. Mitsionis, T. Vaimakis, C. Trapalis, N. Todorova, D. Bahnemann, R. Dillert, “Hydroxyapatite/titanium dioxide nanocomposites for controlled photocatalytic NO oxidation”, Applied Catalysis B: Environmental 106 (2011) 398-404. https://www.sciencedirect.com/science/article/abs/pii/S0926337311002669

K. Pomoni, A. Vomvas, N. Todorova, T.Giannakopoulou, K. Mergia, C.Trapalis, “Thermal treatment effect on structure, electrical conductivity and transient photoconductivity behaviour of thiourea modified TiO2 sol–gel thin films”, Journal of Alloys and Compounds 509 (2011)  7253-7258. https://www.sciencedirect.com/science/article/abs/pii/S0925838811007717

D. Šojić , V. Despotović , B. Abramović , N. Todorova , T. Giannakopoulou and C. Trapalis, “Photocatalytic degradation of mecoprop and clopyralid in aqueous suspension of nanostructured N-doped TiO2, Molecules 15 (2010) 2994-3009. https://www.mdpi.com/1420-3049/15/5/2994

P. Vitanov, A. Harizanova, T. Ivanova, C. Trapalis, N. Todorova, “Sol–gel ZrO2 and ZrO2–Al2O3 nanocrystalline thin films on Si as high-k dielectrics”, Materials Science and Engineering B 165 (2009) 178-181. https://www.sciencedirect.com/science/article/abs/pii/S092151070900381X

T. Giannakopoulou, N. Todorova, P. Osiceanu, T. Lagoyannis, T. Vaimakis, C. Trapalis, “Description of TiO2 Thin Films by Optical Dispersion Models”, Thin Solid Films 517 (2009) 6694-6699. https://www.sciencedirect.com/science/article/abs/pii/S0040609009009560

C. Trapalis, N. Todorova, M. Anastasescu, C. Anastasescu, M. Stoica, M. Gartner, M. Zaharescu, T. Stoica, “Atomic Force Microscopy study of TiO2 of sol-gel films thermally treated under NH3 atmosphere”, Thin Solid Films 517 (2009) 6243-6247. https://www.sciencedirect.com/science/article/abs/pii/S0040609009003630

C. Trapalis, J.M. Caledron-Moreno, N. Todorova, V.S. Teodoreskou, M. Stoica, M. Anasaseskou, M. Gartner, M. Zahareskou, “Nitridation and crystallization of titanium oxynitride by thermal treatment of TiO2-anatase films in NH3”, Journal of Optoelectronics and Advanced Materials 11 (2009) 1810-1814. https://scholar.google.com/scholar?cluster=6326228481285719935&hl=en&oi=scholarr

G. Dobrescu, M. Anastaseskou, M. Stoica, A. Szekeres, N. Todorova, C. Trapalis, M. Gartner, “A fractal analysis of TiO2 sol-gel films treated under different atmospheres”, Journal of Optoelectronics and Advanced Materials 11 (2009) 1359-1362. https://scholar.google.com/scholar?cluster=14777205436475196299&hl=en&oi=scholarr

C. Vacaroiu, M. Enache, M. Gartner, G. Popescu, M. Anastasescu, A. Brezeanu, N. Todorova, T. Giannakopoulou, C. Trapalis, L. Dumitru, “The effect of thermal treatment on antibacterial properties of nanostructured TiO2(N) films illuminated with visible light”, World J. Microbiology and Biotechnology 25 (2009) 1, 27-31. https://link.springer.com/article/10.1007/s11274-008-9856-6

N. Todorova, T. Giannakopoulou, T. Vaimakis, C. Trapalis, “Structure Tailoring of Fluorine-doped TiO2 Nanostructured Powders”, Materials Science and Engineering B 152 (2008) special issue 1-3, 50-54.

https://www.sciencedirect.com/science/article/abs/pii/S0921510708002183

N. Todorova, T. Giannakopoulou, G. Romanos, T. Vaimakis, J.G. Yu, C. Trapalis, “Preparation of fluorine doped TiO2 photocatalysts with controlled crystalline structure”, International Journal of Photoenergy (2008) doi:10.1155/2008/534038. https://www.hindawi.com/journals/ijp/2008/534038/

T. Giannakopoulou, N. Todorova, T. Vaimakis, S. Ladas, C. Trapalis, “Study of fluorine doped TiO2 sol-gel thin coatings”, Journal of Solar Energy and Engineering, Transactions of the ASME 130 (2008) 4, 0410071-0410075. https://asmedigitalcollection.asme.org/solarenergyengineering/article-abstract/130/4/041007/455626

M. Gartner, P. Osiceanu, M. Anastasescu, T. Stoica, T.F. Stoica, C. Trapalis, T. Giannakopoulou, N. Todorova and A. Lagoyannis, “Investigation on the nitrogen doping of multilayered, porous TiO2 thin films”, Thin Solid Films 516 (2008) 8184-8189. https://www.sciencedirect.com/science/article/abs/pii/S0040609008004197

M. Gartner, C. Trapalis, T. Giannakopoulou, N. Todorova, G. Dobrescu, M. Anastasescu, P. Osiceanu, A. Ghita, M. Enache, L. Dumitru, T. Stoica, M. Zaharescu, J.Y. Bae, S.-H. Suh, “Doped Sol-gel TiO2 Films for Biological Applications”, Bull. Korean Chemical Society 29 (2008) No. 5, 1038-1042. https://scholar.google.com/citations?hl=en&user=-at3I1UAAAAJ&view_op=list_works&sortby=pubdate#d=gs_md_cita-d&u=%2Fcitations%3Fview_op%3Dview_citation%26hl%3Den%26user%3D-at3I1UAAAAJ%26cstart%3D20%26pagesize%3D80%26sortby%3Dpubdate%26citation_for_view%3D-at3I1UAAAAJ%3AWF5omc3nYNoC%26tzom%3D-180

T. Giannakopoulou, N. Todorova, C. Trapalis, T. Vaimakis, “Effect of fluorine doping and SiO2 under-layer on the optical properties of TiO2 thin films”, Materials Letters 61 (2007) 4474–4477. https://www.sciencedirect.com/science/article/abs/pii/S0167577X07001747

A. Vomvas, K. Pomoni, C. Trapalis, N. Todorova, “Photoconductivity in sol-gel TiO2 thin films with and without ammonia treatment”, Materials Science-Poland 25 (2007) 809-816. https://materialsscience.pwr.edu.pl/bi/vol25no3/articles/ms_24vomv.pdf

V. Balek, N. Todorova, C. Trapalis, V. Štengl, E.Vecerníková, J. Šubrt, G. Kordas, “Thermal behaviour of Fe2O3/TiO2 mesoporous gels”, Journal of Thermal Analysis and Calorimetry, 80 (2005) 503-509. https://link.springer.com/article/10.1007/s10973-005-0684-8