I. Petkov

发表

Optically structured plastic electro-optic devices: about the particular photoinduced migration mechanism of bis-azodyes doped into polymers

J. Nunzi, C. Fiorini, P. Raimond, 2001, Proceedings of 2001 3rd International Conference on Transparent Optical Networks (IEEE Cat. No.01EX488).

Preparation and optical properties of samarium doped sol–gel materials

I. Petkov, S. Gutzov, E. Fuglein, 2008 .

PVC as photodonor of HCl for protonation of polyaniline

J. Nunzi, B. Geffroy, N. Sertova, 1998 .

Thione–thiol tautomerism and stability of 2- and 4-mercaptopyridines and 2-mercaptopyrimidines

L. Antonov, I. Petkov, T. Stoyanova, 1990 .

The luminescence response of Eu(III)-thenoyltrifluoroacetonate complexes upon preresonant excitation with femtosecond laser pulses.

I. Stefanov, G. Hadjichristov, I. Petkov, 2010, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

The luminescence response of diamine-liganded europium complexes upon resonant and pre-resonant excitation.

I. Stefanov, G. Hadjichristov, I. Petkov, 2008, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Emission efficiency of diamine derivatives of tris[4,4,4-trifluoro-1-(2-thienyl)-1,3-butanediono]europium.

G. Hadjichristov, I. Petkov, S. Stanimirov, 2007, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

New cyclometalated iridium(III) complex as a phosphorescent dopant in organic light emitting devices

I. Petkov, R. Tomova, P. Petrova, 2014 .

Synthesis and Photophysical Properties of Yellow-Emitting Iridium Complexes. Effect of the Temperature on the Character of Triplet Emission

I. Petkov, S. Kaloyanova, S. Stanimirov, 2012, Journal of Fluorescence.

Synthesis and Spectral Properties of Novel Fluorescent Poly(oxyethylene Phosphate) Tris(β-diketonate) Europium (III) Complexes

T. Deligeorgiev, I. Petkov, E. Haupt, 2008, Journal of Fluorescence.

Free radical scavenging activity of extracts from Bulgarian Veronica officinalis L. and GC-MS analysis of ethanol extract

I. Petkov, S. Stoyanov, V. Hadjimitova, 2008 .

The aggregation of the merocyanine dyes, depending of the type of the counterions.

M. Spiteller, T. Kolev, B. Koleva, 2008, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Radical scavenger and Antioxidant activities of extracts and fractions from Bulgarian Ononis spinosa L. and GC-MS analysis of Ethanol extract

I. Petkov, T. Traykov, S. Stoyanov, 2008 .

Effect of the medium acidity on the photophysical characteristics of some 2-aryl- and 2-hetaryl-benzothiazoles

T. Deligeorgiev, I. Timtcheva, I. Petkov, 1997 .

Picosecond anisotropy of the transient absorption of the photochromic mercury dithizone complex in solution

J. Nunzi, N. Sertova, I. Petkov, 2000 .

Spectral properties and supramolecular inclusion complex formation between 2-styrylbenzothiazolium dye and cyclodextrins

I. Petkov, S. Stoyanov, S. Stoyanov, 2008 .

Photophysical behaviours of some 2-styrylindolium dyes in aqueous solutions and in the presence of cyclodextrins

I. Petkov, S. Stoyanov, A. Petinova, 2007 .

Spectroscopic elucidation of the interaction of native cyclodextrins and their acetylated derivatives with asymmetric monomethyne cyanine dye

I. Petkov, S. Kaloyanova, E. Kostadinova, 2012, Journal of Inclusion Phenomena and Macrocyclic Chemistry.

Surface interaction and self-assembly of cyclodextrins with organic dyes

M. Spiteller, M. Lamshöft, B. Ivanova, 2010 .

On the tautomerism of 1-phenyl-3-substituted-pyrazol-5-ones and their photoinduced products — experimental and theoretical UV spectral analysis

B. Koleva, I. Petkov, A. Chapkanov, 2008 .

Synthesis and Photophysical Properties of Yellow-Emitting Iridium Complexes. Effect of the Temperature on the Character of Triplet Emission

I. Petkov, S. Kaloyanova, S. Stanimirov, 2012, Journal of Fluorescence.

Resonance CARS spectroscopy of 2-phenylbenzothiazoles in PMMA matrix

T. Deligeorgiev, G. Hadjichristov, T. Bischof, 1998 .

A New Pseudophotochromic Benzothiazoles Doped PVC Films

T. Deligeorgiev, N. Sertova, I. Petkov, 1994 .

Effect of some 2-arylbenzothiazoles on the photo-degradation of poly(vinyl chloride)

T. Deligeorgiev, I. Petkov, P. Markov, 1991 .

Structural elucidation, optical, magnetic and nonlinear optical properties of oxystyryl dyes.

M. Spiteller, T. Kolev, B. Koleva, 2009, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Spectroscopic and structural elucidation of merocyanine dye 2,5-[1-metyl-4-[2-(4-hydroxyphenyl)ethenyl)]piridinium]-hexane tetraphenylborate aggregation processes.

M. Spiteller, T. Kolev, B. Koleva, 2008, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Sol-gel materials doped with 3-(3-(4-(dimethylamino)phenyl)propenoyl)-2H-chromen-2-one: spectroscopic and structural elucidation.

B. Koleva, I. Petkov, S. Gutzov, 2008, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Synthesis and spectral properties of new N-substituted naphthalimide luminophores for structural coloration of polymethylmethacrylate and polystyrene

I. Grabchev, T. Filipova, I. Petkov, 1997 .

Photochemical dehydrogenation of 3-acetyl-3,4-dihydrocoumarin

I. Petkov, P. Markov, A. Bojilova, 1990 .

UV- and IR-study of gamma-ray and fast electron beam initiated prototropic and metallotropic tautomerization of some β-dicarbonyl compounds and their Cu chelates in solution and in polymer (PVC) film

N. Sertova, I. Petkov, M. Ivanova, 1995 .

Dimer fluorescence of some β-dicarbonyl compounds

F. Fratev, P. Nikolov, I. Petkov, 1981 .

On the multistate of 2′-hydroxyflavylium-flavanone system. Illustrating the concept of a timer with reset at the molecular level

N. Basílio, F. Pina, Johan Mendoza, 2018, Dyes and Pigments.

Tautomerism in 1‐Phenyl‐3‐Substituted Pyrazol‐5‐ones: FT‐Infrared Spectral Analysis and Ab Initio Calculations

B. Ivanova, I. Petkov, A. Chapkanov, 2006 .

Photochromism of mercury(II) dithizonate in solution

J. Nunzi, N. Sertova, I. Petkov, 2000 .

New detectors for metal cations and protons based on PAMAM dendrimers modified with 1,8-naphthalimide units

I. Grabchev, I. Petkov, S. Yordanova, 2014 .

SOLVATOCHROMISM OF HOMODIMERIC STYRYL PYRIDINIUM SALTS

I. Petkov, S. Yordanova, S. Stoyanov, 2014 .

4-Amino-3-nitro naphthalimides—Structures and spectral properties

M. Dangalov, I. Petkov, B. Shivachev, 2012 .

Fluorescence of the benzophenone ketyl radical: solvent effects

I. Petkov, Z. Nickolov, P. Yankov, 1989 .

Sensitizing action of two types of β-ketoesters on the weathering of hard poly(vinyl chloride)

I. Petkov, Penka Genova-Dimitrova, 1991 .

Photoketonization of dibenzoylmethane in polar solvents

S. Saltiel, I. Petkov, P. Yankov, 1986 .

Photophysical properties of novel fluorescent poly(oxyethylene phosphate) tris(beta-diketonate) europium (III) complexes.

I. Petkov, S. Stanimirov, 2009, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Method for Analysis of Different Oligosacchiride Structures

T. Deligeorgiev, P. Dolashka, W. Voelter, 2012, Journal of Fluorescence.

Experimental and theoretical spectral properties of ethyl 2-(7-hydroxy-2-oxo-2H-chromen-4-yl)acetate doped sol-gel materials: new materials with potential optical application

B. Koleva, I. Petkov, S. Gutzov, 2007 .

Synthesis of New Blue Fluorescent Polymerizable 1,8-Naphthalimides and Their Copolymers with Styrene as Sensors for Fe(III) Cations

I. Grabchev, I. Petkov, S. Yordanova, 2014 .

Hot Langmuir probe measurements in a chemically reactive plasma and accurate evaluation of the electron energy distribution function

I. Petkov, T. Popov, 1998 .

Tautomerism of rhodanine

I. Petkov, V. Enchev, S. Chorbadjiev, 1994 .

INTRAMOLECULAR HYDROGEN BOND WITH TWO POTENTIAL MINIMA IN SOME 1,3-KETO-ENOLS IN SOLUTIONS AND SOLID STATE

I. Petkov, A. Gribanov, A. Petrov, 1999 .

Polymeric β-Dicarbonyl Compounds as Structural Basis for Intelligent Systems with Multifunctional Nature

I. Petkov, I. Petkov, 2003 .

Photolysis of methyl 2-chloro-3-oxobutanoate

L. Markova, I. Petkov, P. Markov, 1987 .

Design and Synthesis of Photochromic Systems

I. Petkov, 2000 .

Photochemistry of enolizable β-dicarbonyl compounds: study on the photoketonization of some esters of aroylacetic acids

I. Petkov, P. Markov, D. Jeglova, 1978 .

Photo-induced tautomerism of some benzoylacetanilides in solution and polymer films

I. Petkov, P. Markov, N. Dodov, 1990 .

On the photochemical behaviour of ethyl acetoacetate in water

I. Petkov, C. Roumian, P. Markov, 1983 .

Photochemical behavior of poly(ethylacryloylacetate) and poly(acryloylacetone) films

N. Sertova, I. Petkov, S. Masuda, 1997 .

Effect of bis(dithiocarbamato)copper(II) complexes on the photo-degradation of poly(vinyl chloride)

T. Deligeorgiev, I. Petkov, B. Jeliazkowa, 1996 .

Preparation and optical properties of sol–gel materials doped with coumarin molecules

I. Petkov, S. Gutzov, G. Ahmed, 2009 .

Femtosecond laser spectroscopy of europium complexes in solutions

Georgi B. Hadjichristov, I. L. Stefanov, S. Stanimirov, 2009, Ultrafast Nonlinear Optics.

Novel pH responsive luminescent poly(oxyethylene phosphate) tris(β-diketonate) europium (III) complexes

I. Petkov, Stanislav S. Stanimirov, 2008 .

Detection of Metal Ions and Protons with a New Blue Fluorescent Bis(1,8-Naphthalimide)

I. Grabchev, I. Petkov, S. Yordanova, 2013 .

Photochromic materials for holographic data storage

Michel Bolte, Amir Tork, Christophe Lafond, 1999, International Symposium on Photonics and Applications.

Characterization of dye-doped PMMA/PVK films as recording materials

Michel Bolte, Ivan Petkov, Roger A. Lessard, 1998, Other Conferences.

Photochromic Materials in Holography

Roger A. Lessard, Tigran Galstian, Amir Tork, 2000 .

Synthesis, spectral properties, and application of 1,8‐naphthalimide fluorophores for modified polymers

I. Petkov, T. Philipova, 2001 .

Synthesis and functional characteristics of two new yellow-green fluorescent PAMAM dendrimers periphery modified with 1,8-naphthalimides

I. Grabchev, I. Petkov, S. Yordanova, 2014 .

Zn (II) and Cu (II) Halide Complexes of Poly(propylene amine) Dendrimer Analysed by Infrared and Raman Spectroscopies

I. Boyaci, U. Tamer, I. Grabchev, 2013 .

Photophysical properties of novel fluorescent poly(oxyethylene phosphate) tris(beta-diketonate) europium (III) complexes.

I. Petkov, S. Stanimirov, 2009, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.