Zobrazeno 1 - 10 of 92 pro vyhledávání: '"Ioan Baltog"'
1
Optical properties of single-walled carbon nanotubes functionalized with copolymer poly(3,4-ethylenedioxythiophene-co-pyrene)
Autor: Ioan Baltog, Adelina Matea, Mirela Ilie, Ion Smaranda, Jean-Yves Mevellec, Serge Lefrant, Mihaela Baibarac
Publikováno v: Optical Materials. 62:604-611
Optical properties are reported for composites based on single-walled carbon nanotubes (SWNTs) and copolymer poly(3,4-ethylenedioxythiophene-co-pyrene) (PEDOT-Py) prepared by chemical polymerization of two monomers in the presence of carbon nanotubes
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d2a26d734574896103cbfcab6a5fb1f2
https://doi.org/10.1016/j.optmat.2016.11.005
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2
Polarized Raman spectra of phosphorene in edge and top view measuring configurations
Autor: Ioan Baltog, Mihaela Baibarac, Andreea Nila
Publikováno v: RSC Advances. 6:58003-58009
We demonstrate the anisotropic features of the A1g, B2g and A2g vibrational Raman modes of phosphorene by performing for the first time a comparison of two orthogonal polarized Raman scattering studies in edge and top view measuring configurations. D
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::97c4291a39010e682635ffe708fcfe63
https://doi.org/10.1039/c6ra09682d
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3
Exciton-phonon interaction in PbI2 revealed by Raman and photoluminescence studies using excitation light overlapping the fundamental absorption edge
Autor: Ioan Baltog, Ion Smaranda, Raul-Augustin Mitran, Monica Enculescu, M. Galatanu, Mihaela Baibarac, M. Scocioreanu
Publikováno v: Materials Research Bulletin. 70:762-772
Enhancement at low temperatures of the Raman scattering excited by laser light situated near the edge of the fundamental absorption band is often encountered when studying nanoscale structures. Theory devoted to this phenomenon has established that i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::93393d366a9aa64793bfc1fa92027893
https://doi.org/10.1016/j.materresbull.2015.06.012
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4
1D-polyaniline starting from self-assembled systems
Autor: Catalin Ilie Spataru, Marius Ghiurea, Dan F. Anghel, Mihaela Baibarac, Gabriela Stîngă, Dan Donescu, Ioan Baltog
Publikováno v: Colloid and Polymer Science. 293:2515-2524
The radical polymerization of aniline hydrochloride (ANIHCl) in the presence of ammonium persulfate was studied. 1D-Polyaniline (PANI) with fibrillar morphologies was obtained in the presence of anionic surfactants. The changes of the PANI-template s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::316dcbebecec5bf05150d11dd0b04bfe
https://doi.org/10.1007/s00396-015-3645-1
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5
Inhibition of troilite (FeS) oxidative dissolution in air-saturated acidic solutions by O-ethyl-S-2-(2-hydroxy-3,5-diiodophenyl)-2-oxoethylxantogenate
Autor: Cristina A. Constantin, Elena Matei, Cătălina E. Bădică, Ioan Baltog, Paul Chiriţă, Lucian M. Birsa, Mădălina I. Duinea
Publikováno v: Materials Chemistry and Physics. 157:101-107
The inhibiting action of O-ethyl-S-2-(2-hydroxy-3,5-diiodophenyl)-2-oxoethylxantogenate (EHDO) on the oxidation of FeS in air-saturated solutions at pH 1.3 and 25 °C was studied using potentiodynamic polarization and electrochemical impedance spectr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::91c57c57a1879e91f17de893c0c6f671
https://doi.org/10.1016/j.matchemphys.2015.03.021
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6
Anti-Stokes Raman spectroscopy as a method to identify metallic and mixed metallic/semiconducting configurations of multi-walled carbon nanotubes
Autor: Mihaela Baibarac, Adelina Matea, Mirela Ilie, Ioan Baltog, Arnaud Magrez
Publikováno v: Analytical Methods. 7:6225-6230
SERS studies were performed on films of two families of multi-wall carbon nanotubes (MWCNTs) under an excitation light of 514.5 nm and 647.1 nm. These included Aldrich-MWCNTs, which alternate semiconducting and metallic tubes and M-MWCNTs that contai
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::853ce0ea03d5101dd527f0e47e2a4792
https://doi.org/10.1039/c5ay01281c
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7
Photochemical processes developed in composite based on highly separated metallic and semiconducting SWCNTs functionalized with polydiphenylamine
Autor: Ioan Baltog, Arnaud Magrez, Mihaela Baibarac, Ion Smaranda
Publikováno v: Carbon. 81:426-438
The electrochemical polymerization of diphenylamine (DPA) onto electrodes of Pt coated with highly separated metallic (98%) or semiconducting (99%) single-walled carbon nanotubes (SWCNTs) in the presence of H3PW12O40 was performed by cyclic voltammet
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a62a0e964076527c49165cf0e0a23fe5
https://doi.org/10.1016/j.carbon.2014.09.075
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8
The influence of single-walled carbon nanotubes on optical properties of the poly[(2,5-bisoctyloy)-1, 4-phenylenevinylene] evidenced by infrared spectroscopy and anti-Stokes photoluminescence
Autor: Ion Smaranda, Serge Lefrant, Mihaela Baibarac, Jean-Yves Mevellec, Ioan Baltog
Publikováno v: Optical Materials
Optical Materials, Elsevier, 2017, 67, pp.52-58. ⟨10.1016/j.optmat.2017.03.039⟩
Significant differences are reported for the IR spectra of poly[(2,5-bisoctyloy)-1, 4-phenylenevinylene] (BO-PPV) recorded onto the KBr, Ag and Au supports. In this work, a decrease in the absorbance of the IR spectra of the BO-PPV films deposited on
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00f99fc40ce5b1996ae217252741c005
https://hal.archives-ouvertes.fr/hal-01720972
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9
Influence of single-walled carbon nanotubes enriched in semiconducting and metallic tubes on the electropolymerization of tetrabromo ortho-xylene: Insights on the synthesis mechanism of poly(ortho-phenylenevinylene)
Autor: Ioan Baltog, Jean-Yves Mevellec, Serge Lefrant, Sophie Quillard, Mihaela Baibarac, Bernard Humbert, Andreea Nila
Publikováno v: European Polymer Journal
European Polymer Journal, Elsevier, 2017, 88, pp.109-125. ⟨10.1016/j.eurpolymj.2017.01.015⟩
New composite materials based on single-walled carbon nanotubes effectively separated into semiconducting (S-SWNTs) and metallic tubes (M-SWNTs) and poly(ortho-phenylenevinylene) (POPV) were synthesized by the electrochemical polymerization of the α
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ecd0cc0b688252365d96c4d314418b2
https://hal.archives-ouvertes.fr/hal-01720950
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10
Infrared dichroism studies and anisotropic photoluminescence properties of poly(para-phenylene vinylene) functionalized reduced graphene oxide
Autor: Mihaela Baibarac, Ioan Baltog, Bernard Humbert, Mirela Ilie, Serge Lefrant
Publikováno v: RSC Advances
RSC Advances, Royal Society of Chemistry, 2017, 7 (12), pp.6931-6942. ⟨10.1039/c6ra26445j⟩
RSC Advances, 2017, 7 (12), pp.6931-6942. ⟨10.1039/c6ra26445j⟩
Two methods were used for the synthesis of composites based on reduced graphene oxide (RGO) and poly(para-phenylene vinylene) (PPV) in un-doped and doped state, respectively, i.e. the annealing conversion (AC) of the PPV precursor solution (PS) at 30
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::236456bb54b8095e6840ecfe31a92fcd
https://hal.archives-ouvertes.fr/hal-01720912
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