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 Σωτηρόπουλος Σωτήρης, Καθηγητής
Εργαστήριο: Φυσικής Χημείας
 
 
 
ΑΡΙΣΤΟΤΕΛΕΙΟ
ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
ΣΧΟΛΗ ΘΕΤΙΚΩΝ ΕΠΙΣΤΗΜΩΝ
ΤΜΗΜΑ ΧΗΜΕΙΑΣ
54124, ΘΕΣΣΑΛΟΝΙΚΗ
ΤΗΛ.:2310997742
eczss@chem.auth.gr
 
 
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Ερευνητικά Ενδιαφέροντα

 

  • Ηλεκτροκατάλυση (παρασκευή, φυσικοχημικός χαρακτηρισμός και ηλεκτροχημική δραστικότητα  ηλεκτροκαταλυτικών υλικών).
  • Ηλεκτροανάλυση (με έμφαση στην επίδραση φυσικοχημικών παραμέτρων στο σήμα και τη χρήση μικροηλεκτροδίων).
  • Φωτοηλεκτροκατάλυση (παρασκευή, φυσικοχημικός χαρακτηρισμός και καταλυτική δραστικότητα επιστρώσεων υλικών με βάση το TiO2, με έμφαση την επίδραση του ηλεκτρικού πεδίου και την τροποποίηση των υλικών για καλύτερη αξιοποίηση της ακτινοβολίας).
  • Προσρόφηση οργανικών ουσιών σε ηλεκτροδιακές επιφάνειες .
  • Μικροσκοπίες σάρωσης ακίδας (Scanning probe microscopies: AFM, STM, SECM).

 

 
 Επιλεγμένες Δημοσιεύσεις
1. Karanasios, N., Georgieva, J., Valova, E., Armyanov, S., Litsardakis, G., Sotiropoulos, S.* 
"Photoelectrocatalytic oxidation of organics under visible light illumination: A short review", Current Organic Chemistry, 19(6), pp. 512, (2015)
2. Geboes, B., Mintsouli, I., Wouters, B., Georgieva, J., Kakaroglou, A., Sotiropoulos, S., Valova, E., Armyanov, S., Hubin, A., Breugelmans T. 
"Surface and electrochemical characterisation of a Pt-Cu/C nano-structured electrocatalyst, prepared by galvanic displacement ", Applied Catalysis B: Environmental, 150-1, pp. 249-256 , (2014)
3. Mintsouli, I., Georgieva, J., Armyanov, S., Valova, E., Avdeev, G., Hubin, A., Steenhaut, O., Dille, J., Tsiplakides, D., Balomenou, S., Sotiropoulos, S.* 
"Pt-Cu electrocatalysts for methanol oxidation prepared by partial galvanic replacement of Cu/carbon powder precursors", Applied Catalysis B: Environmental, 136-1, 160-167, (2013)
4. Georgieva, J., Valova, E., Armyanov, S., Philippidis, N., Poulios, I., Sotiropoulos, S.* 
"Bi-component semiconductor oxide photoanodes for the photoelectrocatalytic oxidation of organic solutes and vapours: A short review with emphasis to TiO2-WO3 photoanodes", Journal of Hazardous Materials, 211-2, 30-46; , (2012)
5. Li, Z., Gao, B., Chen, G.Z., Mokaya, R., Sotiropoulos, S., Li Puma, G. 
"Carbon nanotube/titanium dioxide (CNT/TiO2) core-shell nanocomposites with tailored shell thickness, CNT content and photocatalytic/photoelectrocatalytic properties",  Applied Catalysis B: Environmental,  110, pp. 50-57, (2011)
6. A.Tegou, S.Papadimitriou, G.Kokkinidis, S.Sotiropoulos * 
"A rotating disc electrode study of oxygen reduction at platinized nickel and cobalt coatings.", J.Solid State Electrochem., 14(2), 175, (2010)
7. Papadimitriou, S., Armyanov, S. , Valova, E., Hubin, A., Steenhaut, O., Pavlidou, E., Kokkinidis, G., Sotiropoulos, S.* 
"Methanol oxidation at Pt-Cu, Pt-Ni, and Pt-Co electrode coatings prepared by a galvanic replacement process. ", Journal of Physical Chemistry C, 114, 5217, (2010)
8. J. Georgieva, S. Armyanov, I. Poulios, S. Sotiropoulos* 
"An all-solid photoelectrochemical cell for the photooxidation of organic vapours under ultraviolet and visible light illumination.",  Electrochemistry Communications, 11, 1643, (2009)
9. S. Papadimitriou, A. Tegou, E. Pavlidou, S. Armyanov, E. Valova, G. Kokkinidis, S. Sotiropoulos* 
"Preparation and characterisation of platinum- and gold-coated copper, iron, cobalt and nickel deposits on glassy carbon substrates.",  Electrochimica Acta, 53(22, 6559, (2008)
10. L. Baldrianova, I. Svancara, S. Sotiropoulos* 
"Anodic stripping voltammetry at a new type of disposable bismuth-plated carbon paste mini-electrodes", Analytica Chimica Acta, 599(2, 249, (2007)
11. J. Georgieva, S. Armyanov, E. Valova, Ts.Tsacheva and I. Poulios, S. Sotiropoulos* 
"Photoelectrochemical behaviour of electrodeposited tungsten trioxide and electrosynthesised titanium dioxide single component and bilayer coatings on stainless steel substrates. , J.Electroanal.Chem., 585 (2005) 35. ", J.Electroanal.Chem., 585, 35, (2005)
12. P.J.Blood, I.J.Brown and S.Sotiropoulos* 
"Electrodeposition of lead dioxide on carbon substrates from a high internal phase emulsion (HIPE)", J.Applied Electrochem., 34, 1, (2004)
13. P.Agrafiotou, C.Maliakas, A.Pappa-Louisi and S.Sotiropoulos* 
"A general approach to the derivation of peak area flow dependence in FIA and HPLC amperometric detection", Electrochimica Acta, 48, 2447, (2003)
14. P.Agrafiotou and S.Sotiropoulos* 
"Characterisation of a simple electrochemical detector for HPLC and FIA based on carbon microcylinder electrodes", Analytica Chimica Acta, 497, 175, (2003)
15. P.J.Blood and S.Sotiropoulos* 
"An electrochemical technique for state of charge (SOC) probing of positive lead acid battery plates", Journal of Power Sources, 110, 96, (2002)
16. K.Wallgren and S.Sotiropoulos* 
"Electrochemistry of planar solid-state amperometric devices based on Nafion and polybenzimidazole (PBI) solid polymer electrolytes", Electrochimica Acta, 46, 1523, (2001)
17. I.J.Brown and S.Sotiropoulos* 
"Electrodeposition of Ni from a high internal phase emulsion (HIPE) template", Electrochimica Acta, 46, 2711, (2001)
18. I.J.Brown and S.Sotiropoulos* 
"Electroplating and electroless plating of Ni through/onto a porous polymer in a flow cell", Journal of Applied Electrochemistry, 31, 1203, (2001)
19. J.Brown and S.Sotiropoulos* 
"Preparation and characterisation of microporous Ni coatings as hydrogen evolving cathodes", Journal of Applied Electrochemistry, 30, 107, (2000)
20. A.Avranas, N.Papadopoulos, D.Papoutsi and S.Sotiropoulos 
"Adsorption of the neutral macromonomeric surfactant Tween-80 at the mercury/electrolyte solution interface as a function of electrode potential and time", Langmuir, 16, 6043, (2000)
21. K.Wallgren and S.Sotiropoulos* 
"Solid-state microelectrode oxygen sensors", Analytica Chimica Acta, 388, 51, (1999)
 
 Ερευνητικά Προγράμματα
1. Preparation and Characterisation of Porous Electrocatalytic and Photocatalytic Coatings
NATO SfP 977986 (διακρατικό πρόγραμμα Ελλάδας-Βουλγαρίας-Αγγλίας)
2002-2006
2. Photo-electro-catalytic TiO2 and WO3 coatings for the destruction of pollutants inaqueous media
Greece-Bulgaria bilateral program, GSRT Greece (EU funded)
2005-2007
3. Identification of physical/chemical phenomena responsible for biocide concentration fluctuations
European Space Agency (PI: Th.Karapantsios)
2014-2015
4. Nanomaterials for Photochemical and Photoelectrochemical Purification Processes
Greece-Bulgaria-UK joint NATO SfP program
2007-2010
5. Novel Bismuth-based Electrode Materials for Detectors and Sensors of Heavy and Toxic Metals
Greece-Czech Republic program-Greek GSRT (EU funded)
2005-2007
6. Photo-electro-catalytic TiO2 and WO3 coatings for the destruction of pollutants in aqueous media
Greece-Bulgaria joint program-Greek GSRT (EU funded)
2005-2007
7. Integrated treatment of high molasses wastewater for recovery of high added value products and reduction of pollutant loading (MOL TREAT)
GSRT Greece, (PI: Ν.Lazaridis)
2012-2015
8. Novel bimetallic catalysts for fuel cell electrocatalytic reactions
«ΗΡΑΚΛΕΙΤΟΣ ΙΙ»-GSRT Greece
2010-2014
9. Novel Bismuth-based Electrode Materials for Detectors and Sensors of Heavy and Toxic Metals
Greece-Czech Republic bilateral program, GSRT Greece (EU funded)
2005-2007
10. Scanning Electrochemical Microscope, SECM, testing of the electrocatalytic activity of novel multimetallic catalysts
Promoting Basic Research Program, Aristotle University of Thessaloniki
20013-2014
11. Microelectrode Studies of Corrosion and Metal Complexation Processes
EPSRC, UK
1999-2001
12. Metallisation of Microporous Materials
EPSRC, UK
1997-2000
13. Novel Amperometric Gas Sensors
City Technology Ltd., UK
1998-2002
 
 Συνεργασίες
1. Bulgarian Academy of Science, Institute of Physical Chemistry (Professor S.Armyanov, Assoc.Prof. J.Georgieva)
Βουλγαρία
2. Loughborough University, Chemical Engineering (Professor G. Li Puma)
Αγγλία
3. National Microelectronics Research Centre (NMRC), Cork (Dr J.F.Rohan)
Ιρλανδία
4. Raman Research Institute (Professor V.Lakshminarayanaran)
Ινδία
5. University of Pardubice (Professor I.Svancara)
Czech Republic
6. Vrije Universiteit Brussel (Professor A.Hubin-SURF Research Group) and University of Andwerp (Professor T.Breugelmans, Advanced Reactor Technology Group)
Belgium
 
 Εκδόσεις
1. Σημειώσεις Φυσικής Χημείας
Α.Αβρανάς, Ι.Ζιώγας, Α.Παπουτσής, Σ.Σωτηρόπουλος, Σελ. 200 (2002)
 
   
  School of Chemistry
Aristotle University of Thessaloniki