Ioan Baltog,  Ph. D
Scientific
Researcher 1-st degree


phone: +40-21369 0170 /112  
Fax    : +40-21369 0177

e-mail: ibaltog@infim.ro
Personal Webpage


  Education :


  Professional experience, former employers:

 

  Professional experience  by the main working stages abroad:

  Other professional activities:

  Awards:

     Prize for Physics, "C. Miculescu", of the Romanian Academy for the group of papers “Rayleigh light scattering on polymer and copolymer solutions” 1968

 

  Present research interests:

 

     Optical and electrical properties of nanocomposites based on conducting or insulating polymers and carbon nanoparticles (fullerene, carbon nanotubes); nonlinear optical processes in nanostructured materials. Optical properties of semiconducting nanoparticles (ZnO, ZnS, CdS, PbI2)

 

  Research projects won through national competition in last 5 years:

 

      1.Synthesis and characterization of the C60 self-assemblies obtained in nucleophilic solvents, 2003-2005

        

      2.Vibrational and photoluminescence properties of hybrid materials based on carbon nanotubes and aromatic amines, obtained by the mechanico-chemical            and electrochemical functionalization, 2004-2006

               

      3.Optical and electrical phenomena in hybrid nano-structured materials produced by the intercalation of the layer crystals, 2006-2008

        

      4.Optical cooling of single-walled carbon nanotubes as revealed by their anti-Stokes Raman spectra, 2007-2010

        

      5.Biomaterials for applications in human therapy, based on self-assembled lipids, in the presence of carbon nanotubes and conducting polymers, 2008-2011

 

      6.Nonlinear optical processes manifesting as Anderson localization of light in mesoscopic materials. 2011-2015

        

 

  Main topics of  research experience:

  Scientific results (at 05-04-2016) :

aPublications 159 from which 148 in ISI journals  ;
b)
Citations (without self-citations) : 1548;

c)  Hirsch index : 23 ;
d) Patents : 8;
e)
Equipments passed through metrological checking procedures : 11

f) co-author of 4 book chapters.

 

 

  Book chapters :

 

Chapter 5.  

Composites based on conducting polymers and carbon nanotubes,

M. Baibarac, I. Baltog, S. Lefrant, in Nanostructured Conductive Polymers, pages 209-260,  edited by Ali Eftekhari, John Wiley&Sons, Ltd. 2010, ISBN: 978-0-470-74585-5

 

Chapter 15.  Surface enhanced Raman scattering of carbon based nanomaterials,

Baltog, M. Baibarac, S. Lefrant, in Encyclopedia of Nanoscience and    

Nanotechnology, vol.24, pages 27-76 edited by H. Nalwa, American Scientific Publishers, 2011, ISBN: 1-58883-189-2

Chapter.      

Hybrid organic-inorganic materials based on carbon nanotubes and conjugated polymers with application in energy storage.
M.Baibarac, I.Baltog, P.Gomez-Romero, S.Lefrant in Modern Trends in Nanoscience, edited by Maria Balasoiu and Grigory M.Arzumanyan,  Editura Academiei Romane, 2013


Chapter      

“Raman and FTIR spectroscopy as valuable tools for the characterization of graphene-based materials”;

M. Baibarac*, I. Baltog, S. Szunerits; editor Z.A. Niknam; Graphene Science Handbook, vol. 5 “ Size-Dependent Properties”, 2016

 

 

   Selected list with representative works  

·  Light scattering and ionic conductivity in NaCl:Ba and NaCl:Cd single crystals.

I.Baltog, C.Ghita and M.Giurgea

Phys.Stat.Sol. 42, 117-123, (1970)

 

·  Etude des centres colores qui apparaissent dans un cristal de chlorure de strontium dope avec un ion alcalin.

I.Baltog, S.Lefrant, B.Houlier, M.Youste,J.P.Chapelle and L.Taurel

Phys.Stat.Sol. (b) 48, 345-352, (1971)

 

· Mechanism of electrical conductivity in polyvinylchloride.

A.Lupu, M.Giurgea, I.Baltog and P.Gluck

J.Polymer Sciences, Polymer Phys.  12, 2399-2407, (1974)

                       

            ·  State of dispersion of  Pb2+ in highly doped KCl crystals.

L.Marculescu, M.Popescu, I.Baltog and C.Ghita

Phys.Stat.Sol. (b) 77, 701-707, (1976)

                       

·  Optical investigations of PbI2 single crystals after thermal treatment.

I.Baltog, I.Piticu, M.Constantinescu, C.Ghita and L.Ghita

Phys.Stat.Sol. (a) 52, 103-110, (1979)

                       

            · Luminescence of the PbI2:Cu+.

I.Baltog, S.Lefrant, L.Mihut and R.Mondescu

J.Luminescence 63, 309-316, (1995)

                       

· Surface enhanced Raman Scattering on silver grating:optimized antennalike gain of the Stokes signal of 104.

I.Baltog, N.Primeau , R.Reinisch and J.L.Coutaz

Appl.Phys.Lett. 66, 1187-1189, (1995)

 

.           · Observation of stimulated surface enhanced Raman scattering through grating excitation  of surface plasmons.

I.Baltog, N.Primeau, R.Reinisch and J.L.Coutaz

J.Opt.Soc.Am. B  13, 656-660, (1996)

 

· Excitonic luminescence in CsPbCl3 crystals under intense excitation.

I.Baltog, L..Mihut and S.Lefrant

J.Luminescence  68,  271-277 , (1996)

 

· Identification of the symetry of phonon modes in CsPbCl3  by Raman and resonance 

            Raman scattering .

Dana M. Calistru , L. Mihut , S. Lefrant  and  I. Baltog

J.Appl.Phys. 82 , (11) , 5391- 5395, (1997)

 

· Visible photoluminescence in porous silicon prepared in different conditions: temperature and decay dependence.

M.L.Ciurea, E.Pentia, A.Manea, A.Belu-Marian and I.Baltog

Phys.Stat.Sol. (b) 195 , 637-647, (1996)       

 

· Electrical behaviour of fresh and stored porous silicon films.

M.L.Ciurea , I.Baltog , M.Lazar , V.Iancu , S.Lazanu and E.Pentia

Thin Solid Films 325 , 271-277 ,(1998)

                       

            · SERS spectra of poly(3-hexyl thiophene in oxidized and unoxidized states.

M.Baibarac , S.Lapkowski  , A.Pron , S.Lefrant, I.Baltog

J.Raman Spectrosc.29 , 825-832 , (1998)

                       

            · SERS spectra of polyaniline thin films deposited on rough Ag ,Au, and Cu.Thickness 

            polymer films and roughness parameters dependence   of SERS spectra.      

M.Baibarac, M.Cochet, S.Lapkowski , L. Mihut  ,S. Lefrant I. Baltog

Synthetic Metals  96 , 63-70 , (1998)

                       

            · Structural properties of some conducting polymers and carbon nanotubes investigated  by SERS spectroscopy.

S.Lefrant, I.Baltog ,M.Lammy de la Chapelle, M.Baibarac, G.Louarn , C.Journet, P.Bernier

Synthetic Metals  100 , 13-27 , (1999)

           

            · Evidence by Raman spectroscopy for metal-C60 interface interaction.

R.Manaila ,A. Bellu-Marian,D. Macovei,G. Brehm,Th. Marian and  I.Baltog

J. Raman Spectroscopy, 30, 1019 - 1025, (1999)          

                       

· Interfacial  chemical  effect  evidenced on SERS spectra of the polyaniline thin films  

            deposited on rough metallic supports.

M.Baibarac, L.Mihut , G.Louarn , J.Y.Mevellec , J.Wery ,S.Lefrant, I.Baltog

J. Raman Spectroscopy, 30, 1105-1113, (1999 ) 

 

· Studies by SERS spectroscopy of the structural properties  of conducting   polymers and  carbon nanotubes.

S.Lefrant, I.Baltog, M.Lammy de la Chapelle,  M.Baibarac, G.Louarn, C.Journet, P.Bernier

Synthetic Metals  101 , 184 -187 , (1999)

 

· Doping and metallic-support effect evidenced on SERS spectra of  polyaniline thin film.

M.Baibarac , L.Mihut  ,G.Louarn, S.Lefrant, I.Baltog

J.Polymer Science,Polymer Physics, 38, 2599-2609,(2000)

· Luminescence of oxidized porous silicon: Surface-induced emisions from disordered

            silica micro-to nanotextures.

E.Fritsch, L.Mihut, M.Baibarac, I.Baltog, M.Ostroumov, S. Lefrant, and J.Wery

J.Appl.Phys.90,(9),4777-4782,(2001)

                       

· C60 - polymer nanocomposites: evidence for interface interaction

C. Giusca, M. Baibarac, G. Alexe, S. Lefrant, O.Chauvet, I. Baltog, A.Devenyi,

R. Manaila 

Carbon , 40, 1565-1577, (2002)

· Modification  of surface-enhanced Raman scattering spectra of single-walled  carbon   

            nanotubes as function of nanotube film thickness.

S.Lefrant , I.Baltog, M.Baibarac, J. Schreiber, O. Chauvet

Phys.Rev.B ,65,235401-235410,(2002)

                               

· SERS studies on single walled  carbon nanotubes submitted to chemical  transformation with sulfuric acid.

S. Lefrant, I. Baltog, M. Baibarac , J.Y.Mevellec, O. Chauvet

Carbon, 40, 2201-2211, (2002)

            · Polyaniline and carbon nanotubes based composites containing whole units and 

            fragments of nanotubes

M.Baibarac, I.Baltog, S.Lefrant, J.Y. Mevellec , O. Chauvet

Chemistry  of Materials, 15, 4149-4156, (2003) 

                       

            · On the optical properties of micro and nanometric size PbI2 particles

M. Baibarac, N. Preda, L. Mihut, I. Baltog, S. Lefrant, J.Y. Mevellec,

J. Phys: Condensed Matter.16, 2345-2356,(2004)         

                       

            · Covalent functionalization of single-walled carbon nanotubes by aniline

electrochemical  polymerization

M.Baibarac, I.Baltog, C.Godon, S.Lefrant,  O.Chauvet

Carbon, 42, 3143-3152, (2004)

           

            · Surface-enhanced Raman scattering studies on C60 fullerene self-assemblies

M.Baibarac, L. Mihut, N.Preda , I. Baltog,  J.Y.Mevellec and S. Lefrant              

Carbon ,43, 1-9,(2005)

· SERS spectroscopy studies on the electrochemical oxidation of single-walled carbon

             nanotubes in sulfuric acid solutions

S. Lefrant, M. Baibarac, I. Baltog, J.Y. Mevellec, L. Mihut, O. Chauvet

Synth. Met. 144, 133-142,(2004)

· Electrochemical  and vibrational properties of single-walled carbon nanotubes

 in hydrochloric acid solutions
             S.Lefrant, M.Baibarac, I.Baltog, T.Velula, J.Y.Mevellec, O.Chauvet

       Diamond and Related Materials,14, 867-872,(2005)

                       

            · Surface-enhanced Raman scattering studies on chemically transformed carbon nanotubes thin films

S.Lefrant, I.Baltog, M.Baibarac

J. Raman Spectroscopy ,36, 676-698, (2005 )

                       

           

· Functionalization of single-walled carbon nanotubes with conducting polymers      

            evidenced  by Raman and FTIR spectroscopy

S.Lefrant, M.Baibarac, I.Baltog, J.Y.Mevellec, C.Godon, O.Chauvet

Diamond and Related Materials, 14, 873-880, (2005)

                       

            · Coherent anti-Stoke Raman Scattering on single-walled carbon nanotubes  thin films 

            excited through surface plasmons .

I.Baltog, M.Baibarac,  and S.Lefrant

Phys Rev B,72,(24), 245402-245413,(2005)

                       

· SERS,FTIR and photoluminescence studies on single-walled carbon  anotubes/conducting polymers  composites

s.Lefrant, M.Baibarac, I.Baltog, C. Godon, J.Y.Mevellec J.Wery, E.Faulques , L.Mihut, H.Arab, and O. Chauvet

Synth.Metals, 155, (3), 666-669,(2005)

                       

· Poly (N-Vinyl Carbazole) and Carbon Nanotubes based Composites

and their Application to Rechargeable Lithium Batteries

M. Baibarac, M. Lira-Cantú, J. Oró Sol, I. Baltog, N. Casañ-Pastor, P. Gomez-Romero

Composite Science and Technology, 67, 2556-2563, 2007,

                      

            · Spectroscopic evidence for the bulk polymerization of N-vinyl carbazol in the presence of single-walled carbon nanotubes

M. Baibarac, I. Baltog, S. Lefrant, P. Gomez-Romero

Polymer, 48, 5279-5288, ( 2007)

                       

· Non-covalent functionalization of Carbon Nanotubes. Experimental evidence for  isolated and bundled tubes.

M. Husanu, M. Baibarac, I. Baltog

Physica E: Low-dimensional Systems and Nanostructures, 41,66-69,(2008)

                       

· Raman and FTIR studies on electro-reduction of the single-walled

carbon nanotubes films in the presence of Li salts

I.Baltog, M. Baibarac, S. Lefrant and J.Y.Mevellec

Diamond and Related Materials, 17,1558–1564 (2008)

 

· Vibrational and photoluminescence properties of

the polystyrene functionalized single-walled carbon nanotubes

M. Baibarac, I. Baltog, S. Lefrant, , J. Y. Mevellec, C. Bucur

Diamond and Related Materials, 17 , 1380–1388 (2008)

                · Electropolymerization of N-ethylcarbazole on single walled carbon nanotubes –

cyclic voltammetry, Raman and FTIR studies

M. Baibarac, I. Baltog, L. Mihut, J. Y. Mevellec, S. Lefrant

Journal of Nanoscience and Nanotechnology , 9, 6195-6203 , (2009)

 

· Surface Enhanced Raman Scattering Studies on on poly (3,4-ethylene dioxythiophene)/SWNTs composites and their  application to rechargeable lithium batteries

I. Baltog, M. Baibarac, S. Lefrant, P. Gomez-Romero

Journal of Nanoscience and Nanotechnology ,9, 6204-6209 , (2009)

· Quantum wells effects in bulk PbI2 crystals revealed by photoluminescence and Raman spectroscopy.

 I. Baltog, M. Baibarac, and Lefrant,

J. Phys: Condensed Matter  21, 025507 (9pp) (2009)

                   

· Polyaniline / PbI2 composite as charge collector

M. Baibarac, I. Baltog, S. Lefrant

Journal of Solid State Chemistry,182, 827-835, (2009)

                    

· Raman spectroscopic evidence for interfacial interactions in poly(bithiophene)/single-

walled carbon nanotube composites

M. Baibarac, I. Baltog, S. Lefrant

Carbon ,47, (5),1389-1398,(2009)

                     

· Raman and FTIR spectroscopy as valuable tools for the characterization of polymer and carbon nanotube based composites.

S. Lefrant, M. Baibarac and I. Baltog

Journal of Materials Chemistry, 19,  5690-5704, (2009)

· Synthesis of Narrow Diameter Distribution Carbon Nanotubes on ZnO Supported Catalysts

Dan Lupu, Alexandru R. Biris, Fumiya Watanabe, Zhongrui Li, Enkeleda Dervishi, Viney Saini, Yang. Xu, Alexandru S. Biris, Mihaela Baibarac, Ioan Baltog

Chemical Physics Letters , 473, (4-6),299-304, (2009)

                       

· Optical advanced spectroscopic techniques for the study of nano-structured materials: Applications to carbon nanotubes

S.Lefrant, I.Baltog, M. Baibarac

Synthetic Metals, 159,  2173–2176 ,2009

                       

            · Vibrational properties of the polyindole/single-walled carbon nanotubes

composite  electrochemical synthesized

M. Baibarac, I. Baltog, M. Scocioreanu, s.lefrant, J.Y. Mevellec

Synthetic Metals 159,  2550-2555,2009 

            · ZnO particles of wurtzite structure as component in ZnO/carbon nanotube composite

M. Baibarac, I. Baltog, T.Velula, I.Pasuk, S. Lefrant, N.Gautier

J. Phys: Condensed Matter  21, 445801, (2009)

                       

           · OpticalAdvanced Spectroscoic Techniques for the study of nano-Structured Materials    such as Carbon nanotubes

S. Lefrant, M. Baibarac and I. Baltog

            Journal of Nanoelectronics and Optoelectronics ,4, 203-206,(2009)

                       

            · Non-linear Raman scattering effects generated by the surface plasmons excitation

I.Baltog,m.Baibarac,L.Mihut, I.Smaranda

Romanian Reports in Physics, Vol. 62, No. 3, P. 581–593, (2010)

                      

· Linear and Non-Linear Optical Properties of Carbon Nanotubes

S. Lefrant; J. P. Buisson; J. Y. Mevellec; M. Baibarac; I. Baltog

Mol.Cryst. Liq.Cryst., 522, Pages 172/[472] ? 179/[479] ,(2010)

                       

            · Polydiphenylamine/carbon nanotube composites for applications in

            Rechargeable  lithium batteries

            M.Baibarac, I. Baltog, S.Lefrant, P. Gomez-Romero

           Materials Science and Engineering B 176 ,pag.110-120, (2011)

                       

· Hybrid organic–inorganic materials based on poly(o- phenylenediamine)  and polyoxometallate functionalized carbon  nanotubes

           M. Baibarac , I. Baltog , I. Smaranda , M. Scocioreanu , S. Lefrant

           Journal of Molecular Structure 985-(2-3),pag.211-218,(2011)

                       

· Electrochemical functionalisation of SWNTs with poly(3,4-ethylenedioxythiophene)

evidenced by anti-Stokes/Stokes Raman spectroscopy

Ioan Baltog, Mihaela Baibarac, Serge Lefrant and Jean Yves Mevellec
            J. Raman Spectroscopy ,42,No.3,303-312, (2011 )

                       

            ·Recent Progress in Synthesis, Vibrational Characterization and Applications Trend of Conjugated Polymers/Carbon Nanotubes Composites

M. Baibarac, I. Baltog, and S. Lefrant

Current Organic Chemistry, 15, No.8, 1160-1196, (2011)

· Abnormal anti-Stokes Raman emission as single beam pumped Coherent Anti-Stokes Raman Scattering like process in disordered media

Ioan Baltog ,  Mihaela Baibarac, Ion Smaranda , Serge Lefrant

Journal of Physics B: Atomic, Molecular & Optical Physics,44,095401 (9pp)(2011 )

            · Non-linear and resonance effects in carbon nanotubes structures  

S. Lefrant; J. P. Buisson; J. Y. Mevellec; M. Baibarac; I. Baltog

            Optical materials, 33,No.9, 1410-1414,(2011)

 

· Sensitive detection of endocrine disrupters using ionic liquid – Single walled carbon nanotubes modified screen-printed based biosensors  

Ana-Maria Gurban, Lucian Rotariu, Mihaela Baibarac, Ioan Baltog, Camelia Bala
Talanta, 85, Issue 4, Pages 2007-2013, (2011)

                       

            Abnormal anti-Stokes Raman emission as single beam Coherent Anti-Stokes Raman Scattering like process in LiNbO3 and CdS powder."      

Ioan Baltog, Mihaela Baibarac, and Serge Lefrant.     

            Journal of Applied Physics, 110, 053106, (2011)
                       

            · One-dimensional composites based on single walled  carbon nanotubes and

poly(o-phenylenediamine)

M. Baibarac*, I. Baltog, M. Scocioreanu, B. Bellostros, J.Y. Mevellec, S. Lefrant

Synthetic Metals 161, 2344– 2354,(2011) 

 

            · Photoluminescence and Raman evidence for mechanico-chemical interaction of

            polyaniline-emeraldine base with ZnS in cubic and hexagonal phase.

            M. Scocioreanu, M. Baibarac, I. Baltog*, I. Pasuk, T. Velula

Journal of Solid State Chemistry, 186 , 217–223,  (2012)

 

· Nonlinear optical processes manifesting as Anderson localization of light in

            mesoscopic materials.

            Ioan Baltog, Mihaela Baibarac, Lucian Mihut , Ion Smaranda,Serge Lefrant

            Proceedings of the Romanian Academy, Series A, vol.13,No.2,109-117,(2012)

 

           ·  Post-synthesis Carbon Nanowalls Transformation under Hydrogen, Oxygen,Nitrogen,

Tetrafluoroethane, and Sulfur Hexafluoride Plasma Treatments

Sorin Vizireanu, Maria Daniela Ionita, Gheorghe Dinescu, Ionut Enculescu,Mihaela

Baibarac, Ioan Baltog

Plasma Processes and Polymers .9,(4), pp.363-370, (2012)

 

· Linear and Non-Linear Optical Properties of Carbon Nanotubes;

S. Lefrant, J.P. Buisson, J.Y. Mevellec, F.Massuyeau, J.Wery, M.Baiabarac, I. Baltog;

Mol.Cryst. Liq.Cryst., 554, pp.111-118,(2012)

 

· Raman scattering and anti-Stokes luminescence in poly- paraphenylene vinylene/

carbon nanotubes composites

            M. Baibarac, F. Massuyeau,J. Wery, I. Baltog, and S. Lefrant

            Journal of Applied Physics, 111,(8), 083109, (2012)

· Abnormal Anti-Stokes Raman Emission and Infrared Dichroism Studies on Poly(paraphenylenevinylene)/ Single-Walled Carbon Nanotube Composites

M. Baibarac*, I. Baltog, J. Wery, S. Lefrant and J. Y. Mevellec

Journal of Physical Chemistry C  116, 2553725545, (2012)

            Casimir effect demonstrated  by Raman Spectroscopy on  Trilayer  Graphene  Intercalated  into Stiff  Layered  Structures of Surfactant

Mihaela Baiabarac, Ioan Baltog, Lucian Mihut, Iuliana Pasuk,  Serge Lefrant

Carbon, 51,134-142,(2013)

            Single-walled carbon nanotubes functionalized with poly(diphenylamine) as active 2 materials for applications in the supercapacitors field.

M. Baibarac , I. Baltog, S. Frunza, A. Magrez, D. Schur, S.Yu. Zaginaichenko.

Diamond & Related Materials, 32 , 72–82, (2013)

·Spectroelectrochemical properties of the single walled carbon nanotubes functionalized with polydiphenylamine doped with heteropolyanions Original Research Article
I. Smaranda, M. Baibarac, I. Baltog, J.Y. Mevellec, S. Lefrant

Journal of Solid State Chemistry, 197, Pages 352-360, (2013) 

· Photoluminescence decay time studies on ZnS in cubic and hexagonal phase interacted  mechanico-chemical with polyaniline
            M. Scocioreanu, L.Mihut, M. Baibarac, I. Baltog*

            Physica status solidi (b) 250,(7),1426-1431, (2013)

· New features in the Anti-Stokes and Stokes Raman spectra of single-walled carbon nanotubes that are highly separated into their semiconducting and metallic nanotube components
            Mihaela Baibarac, Ioan Baltog,* Lucian Mihut, and  Serge Lefrant

            J. Raman Spectroscopy , 45,(5),323-331, (2014)

· Nonlinear features of surface-enhanced Raman scattering revealed under non-resonant and resonant optical excitation
            M Baibarac, I Baltog*, L Mihut, A Matea and S Lefrant

            Journal of Optics  16 ; 035003 (10pp) (2014)

· Abnormal anti-Stokes Raman scattering and surface-enhanced infrared absorption spectroscopy studies of carbon nanotubes electrochemically functionalized  with a 2,2’-bithiophene and co-pyrene
            M. Baibarac*, I. Baltog, I. Smaranda, M. Scocioreanu,J. Y. Mevellec, S. Lefrant

            Applied Surface Science, 309, 11–21 (2014)

· Spectroelectrochemical properties of the poly[(2,5-bisoctyloxy)-1,4- phenylenevinylene]/single-walled carbon nanotubes composite
            M. Baibarac, I. Baltog, I. Smaranda, M. Ilie, M. Scocioreanu, J.Y.Mevellec, S.Lefrant

            Synthetic Metals, 195, 276-285, (2014)

· Abnormal anti-Stokes Raman scattering and coherent backscattering as      manifestation of Anderson localization of light in nonlinear mesoscopic materials
            Ion Smaranda,  Lucian Mihut, Mihaela Baibarac, Ioan Baltog,  Serge Lefrant

            Optical Engineering, 53,(9),097109, (2014)

· Electrochemical grafting of reduced graphene oxide with polydiphenylamine doped with heteropolyanions and its optical properties
            I. Smaranda, A. M. Benito, W. K. Maser, I. Baltog, M. Baibarac

            Journal of Physical Chemistry C ,118, 25704-25717, (2014)

· Anti-Stokes Raman Spectroscopy as a method to identify the metallic and semiconducting configurations of double-walled carbon nanotubes
            Mihaela Baibarac, Ioan Baltog, Adelina Matea, Lucian Mihut, Serge Lefrant

            J. Raman Spectroscopy , 46, 32–38, (2015)

· Photochemical processes developed in composite based on highly separated metallic and  semiconducting SWCNTs functionalized with polydiphenylamine
            Mihaela Baibarac, Ioan Baltog, Ion Smaranda and Arnaud Magrez

            Carbon, 81,426-436, (2015)

· Raman scattering and photoluminescence studies of ZnO nanowhiskers assembled as flowers in the presence of fullerene
            M. Baibarac*, I. Baltog, A. Matea S. Lefrant

            Journal of Crystal Growth, 419, 158-164, (2015)

· Optical Properties of Single-Walled Carbon Nanotubes Functionalized with Poly(2,2’-bithiophene-co-pyrene) Copolymer
            Ion Smaranda, Mihaela Baibarac*, Mirela Ilie, Adelina Matea, Ioan Baltog,  Serge Lefrant

            Current Organic Chemistry, 19, (7), 652-661,(2015)

· Inhibition of troilite (FeS) oxidative dissolution in air-saturated acidic solutions by O-ethyl-S-2-(2-hydroxy-3,5-diiodophenyl)-2-oxoethylxantogenate
            Chiriţă, P.,Constantin, C.A.,Bădică, C.E.,Duinea, M.I., Bîrsă, L.M., Matei, E., Baltog, I.

            Materials Chemistry and Physics, 157, 101-107,(2015)

· Exciton-phonon interaction in PbI2 revealed by Raman and photoluminescence      studies  using excitation light overlapping the fundamental absorption edge.
            M. Baibarac,  I. Smaranda,  M. Scocioreanu,  R. A. Mitran, M. Enculescu, M. Galatanu, I. Baltog*               

            Materials Research Bulletin, 70 , 762–772, (2015)

          · Anti-Stokes Raman Spectroscopy as a method to identify metallic and mixedmetallic/semiconducting configurations of multi-walled carbon nanotubes
            Mihaela Baibarac, Adelina Matea, Mirela Ilie, Ioan Baltog*, Arnaud Magrez

            Analytical Methods, 7, 6225–6230 (2015);

          · Influence of Single-Walled Carbon Nanotubes Enriched in Semiconducting and Metallic Tubes on the Vibrational and Photoluminescence Properties of Poly(para- phenylene- vinylene)
            M. Baibarac, I. Baltog, M. Ilie, B. Humbert, S. Lefrant, and C. Negrila

           Journal of Physical Chemistry C ,120, 5694−5705, (2016);

 

Patents

 

1.Procedure for increasing the power of pulsed laser with transverse excitation.

    I. Baltog and C.B.Collins ;O.S.I.M.  nr. 70170,  (1976)

2. Procedure of optical control of the metal impurifiaction of the glass pulled on a molten

    metal bath. C.Ghita, V.Dragos, L.Ghita, L.Ghita, I.Baltog,;O.S.I.M. nr.33105,  (1981)

3. Measuring cell with thermostatic system for heavy water IR analyzers.  I.Baltog,Constantinescu,  

   C.Ghita,L.Ghita,L.Mihut,G.Pavelescu,T.Velula,N.Vlahovici,A.Vraciu;O.S.I.M.nr.137983,(1989).

4. Heavy water leak detector system for nuclear plant. M.Andreescu, I.Baltog, M.Constantinescu,

   C.Ghita, L.Ghita, L.Mihut, T.Velula, G.Pavelescu, N.Vlahovici,.; ICEFIZ  nr.71,  (1989)

5. Heavy water up-grade monitor; M.Andreescu, I.Baltog, M.Constantinescu,

   C.Ghita, L.Ghita, L.Mihut, T.Velula, G.Pavelescu, N.Vlahovici,.; ICEFIZ  nr.83,  (1989)

6. Infrared optical module for heavy water analyzer. I.Baltog, M.Constantinescu, C.Ghita, L.Ghita,

     L.Mihut, T.Velula, G.Pavelescu, N.Vlahovici, A.Vraciu O.S.I.M. nr.102749, (1990)

7. Optical system for photometric analyzer; L.Mihut, C.Dimofte, T.Velula, I.Baltog O.S.I.M. nr.

    C/1124,  (1994)

8. Signal processing system for single photometric detector analyzer;  L.Mihut, C.Dimofte,

    T.Velula, I.Baltog; O.S.I.M.  nr. C/1125,  (1994)