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Dr. Mirela VADUVA

Scientific Researcher III

Laboratory of Optical Processes in Nanostructured Materials

mirela[DOT]ilie[AT]infim[DOT]ro

Education

 

2014-2018-Phd in Physics, Faculty of Physics, University of Bucharest, Romania, Department of  Optics-Spectroscopy- Plasma and Lasers

2010-2012-Master in Chemistry, Faculty of Chemistry, University of Bucharest, Romania, Department of Chemical pollution of the environment

2007-2010-Graduate of Chemistry, University of Bucharest, Romania, Department of Environmental Chemistry

 

Positions

2007-2012-student at Faculty of Chemistry, University of Bucharest

Pathways for preparation and characterization methods of semiconductors, such as TiO2, improved with transition and noble metals, used in photocatalysis, in photo-production of hydrogen energy

09.2012-05.2014-trainee research assistant at National Institute of Materials Physics, laboratory of Optical Processes in Nanostructured Materials

• Synthesis of conjugated polymers like poly (para-phenylene vinylene) and its derrivatives, synthesis of composite materials based on PPV and carbon nanoparticles as carbon nanotubes and graphene; investigation of optical properties of this type of polymers and composite materials using Raman, IR, UV-Vis spectroscopy together with luminescence and photoconductive studies

•   Synthesis of carbon nanotubes and graphene using CVD method

05.2014-01.2019-research assistant at National Institute of Materials Physics, laboratory of Optical Processes in Nanostructured Materials

    • Synthesis and characterization of materials composites such as PPV/(M+S)-SWNTs, PPV/M-SWNTs, PPV/S-SWNTs, where (M+S)-SWNTs are a mixture of metallic (33% ) and semi-conducting nanotubes (66%), M-SWNTs and S-SWNTs represent the carbon nanotubes highly separated in metallic tubes and semi-conducting tubes, respectively.

•   Synthesis and investigation of optical properties of PPV/RGO composites

01.2019-at present-scientific researcher  at National Institute of Materials Physics, laboratory of Optical Processes in Nanostructured Materials

     • Synthesis of conjugated polymers and composite materials

     • Investigation of optical properties of nanostructured materials

     • Review writing about composites based on conducting polymers (PANI, PEDOT, PPy) and graphene   derivates used for electrod modification with application in sensors for uric acid electrochemical detection (functionalization between components inside composite, chemical, electrochemical and vibrational properties, parameters that describe the sensor performance and the influence of synthesis method and interaction between components over the selectivity and sensitivity of the sensors)

• Documentaries and review writing about composites based on conducting polymers (PANI, PEDOT, PPy) and carbon nanostructures (carbon nanotubes, graphene and graphene derivates) used as counter electrode material in Dye sensitized solar cells (DSSCs) (functionalization between components inside composite, chemical, electrochemical and vibrational properties, parameters that describe the CE and DSSCs performance and the influence of synthesis method and interaction between components over the DSSCs performance)

Expertize

-          Synthesis of photocatalyst based on TiO2 and TiO2-SiO2 dopped with metals and non-metals, tested in hydrogen production from waste water;

-          Test and characterization of photocatalyst using characterization techniques such as absorption spectroscopy in infrared field (IR), ultraviolet-visible (UV-Vis) absorption spectroscopy, Raman spectroscopy, gas chromatography coupled with mass spectrometer (GC-MS);

-          Chemical synthesis of conducting polymers such as poly(para-phenylenevinylene) and its derrivates

-          Synthesis using Catalytic Vapour Deposition (CVD) of multiwall carbon nanotubes and graphene;

-          Investigation of optical properties of conducting polymers (CPs) and composites based on CPs and graphene, respectively graphene derrivates and carbon nanotubes using UV-Vis-NIR, Raman and FTIR spectroscopy, luminescence and photoconductive studies

Books

Book chapter

-        Recent progress in the photoluminescence properties of composites based on conjugated polymers and carbon nanoparticles, Baibarac M., Ilie M., Matea A., Dăescu M., Lefrant S., 2018, Photoluminescence : Advances in Research and Applications, pp.133-166

Patents

-          Procedee de preparare si utilizare ale noilor forme cristaline ale 6-(3-metil-5-nitroimidazol-4-il)sulfanil-9H-purinei (Processes for preparation and employment of new crystalline shapes of 6-(3-methyl-5-nitroimidazole-4-yl) sulphanyl-9H-purine) Manta Corina-Mihaela;Samohvalov Dumitru; Gherca Daniel; Baibarac Mihaela; Lungan Maria-Andrea; Smaranda Ion; Barbatu Adrian; Buhalteanu Lucian;Udrescu Adelina; Daescu Monica; Ilie Mirela; Toulbe N’Ghaya, BNA, No. A00516/28.08.2019, Derwent Primary Accession Number: 2020-27603U

Publications

1. Functionalization of Carbon Nanotubes and Graphene Derivatives with Conducting Polymers and Their Applications in Dye-Sensitized Solar Cells and Supercapacitors
Authors: Vaduva, M; Burlanescu, T; Baibarac, M

Published: JAN 2024, POLYMERS, 16, 53, DOI: 10.3390/polym16010053

2. Functionalization of Graphene Derivatives with Conducting Polymers and Their Applications in Uric Acid Detection
Authors: Vaduva, M; Baibarac, M; Cramariuc, O

Published: JAN 2023, MOLECULES, 28, 135, DOI: 10.3390/molecules28010135

3. Photoconductive Behavior of the PPV/RGO Composites: Insights of Charge Transfer Process
Authors: Ilie, M; Dragoman, D; Baibarac, M

Published: JUL 2019, PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 256, DOI: 10.1002/pssb.201800392

4. The spectrochemical behavior of composites based on poly (para-phenylenevinylene), reduced graphene oxide and pyrene
Authors: Ilie, M; Baibarac, M

Published: OCT 2017, OPTICAL MATERIALS, 72, 146, DOI: 10.1016/j.optmat.2017.06.002

5. Infrared dichroism studies and anisotropic photoluminescence properties of poly(para-phenylene vinylene) functionalized reduced graphene oxide
Authors: Baibarac, M; Ilie, M; Baltog, I; Lefrant, S; Humbert, B

Published: 2017, RSC ADVANCES, 7, 6942, DOI: 10.1039/c6ra26445j

6. Optical properties of single-walled carbon nanotubes functionalized with copolymer poly(3,4-ethylenedioxythiophene-co-pyrene)
Authors: Baltog, I; Baibarac, M; Smaranda, I; Matea, A; Ilie, M; Mevellec, JY; Lefrant, S

Published: DEC 2016, OPTICAL MATERIALS, 62, 611, DOI: 10.1016/j.optmat.2016.11.005

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

Published: MAR 17 2016, JOURNAL OF PHYSICAL CHEMISTRY C, 120, 5705, DOI: 10.1021/acs.jpcc.5b11198

8. Anti-Stokes Raman spectroscopy as a method to identify metallic and mixed metallic/semiconducting configurations of multi-walled carbon nanotubes
Authors: Baibarac, M; Matea, A; Ilie, M; Baltog, I; Magrez, A

Published: 2015, ANALYTICAL METHODS, 7, 6230, DOI: 10.1039/c5ay01281c

9. Optical Properties of Single-Walled Carbon Nanotubes Functionalized with Poly(2,2 '-bithiophene-co-pyrene) Copolymer
Authors: Smaranda, I; Baibarac, M; Ilie, M; Matea, A; Baltog, I; Lefrant, S

Published: 2015, CURRENT ORGANIC CHEMISTRY, 19, 661, DOI: 10.2174/1385272819666150311231454

10. Spectroelectrochemical properties of the poly[(2,5-bisoctyloxy)-1,4-phenylenevinylene]/single-walled carbon nanotube composite
Authors: Baibarac, M; Baltog, I; Srnaranda, I; Ilie, M; Scocioreanu, M; Mevellec, JY; Lefrant, S

Published: SEP 2014, SYNTHETIC METALS, 195, 285, DOI: 10.1016/j.synthmet.2014.06.010

11. Improving TiO2 activity in photo-production of hydrogen from sugar industry wastewaters
Authors: M. Ilie, B. Cojocaru, B V.I. Parvulescu, H. Garcia

Published: DEC 2011, International Journal of Hydrogen Energy, 36, DOI: 10.1016/j.ijhydene.2011.09.029

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