Assosiate professor, Biliana Georgieva, PhD

Laboratory "Electron Microscopy"

Institute of Optical Materials and Technologies - Bulgarian Academy of Sciences

e-mail: biliana@iomt.bas.bg

2012- PhD in Physical Chemistry - Institute of Optical Materials and Technologies “Acad. Jordan Malinowski” – Bulgarian Academy of Sciences

1997- Master of Science in chemistry, Chemist

Specialty: High purity substances, Sofia University “St. Kl. Ohridski”, Faculty of Chemistry, Department “Inorganic chemistry”

2022 - up to now - Assosiate Professor at IOMT-BAS

2013-2022 Assistant professor at IOMT-BAS

2007-2013 Assistant at IOMT-BAS

2000-2007 Chemist at IOMT-BAS

2014-up to now - Investigations by transmission electron microscope (TEM) of organic, inorganic and biological objects. TEM imaging, statistics and distribution of nanoparticles, indexing of SAED patterns, determining the phase composition and structure of the nanomaterials.

Processing and analysis of experimental data (investigation on the influence of the structure and composition of the materials on their optical and gas sensing properties).

Thermal vacuum evaporation of thin metal oxide films

Electrospinning and electrospraying

Electrical measurements

Investigations on electrical, optical and gas sensing properties of thin metal oxide films

Total number of publications: 63

Total number of participations at conferences: 111

Total number of citations: 290

H index: 8

Координатор за ИОМТ:

1.   ДО 02-148/2008 „Сензори за влажност на базата на нови металоокисни и оксихалкогенидни материали с наноструктура“ – 2011–2013 г.

2.   ДН17/22/2017 „Оползотворяване и приложение на отпадъчни материали от етерично-маслената индустрия за "зелен" синтез на метални наночастици“ –2019–2021 г.

 3.   Ръководство на проект по Оперативна програма „Развитие на човешките ресурси“, съфинансирана от Европейския социален фонд-Подкрепа на статии в реферирани издания и издания с импакт фактор 

4.   Администратор за ИОМТ на „Национален център по мехатроника и чисти технологии“

Участие в проекти, финансирани от ФНИ:

1.    ДН 08/10/2016 г. „Обратим поляризационен холографски запис в анизотропни азополимерни нанокомпозити“ – финансиран от ФНИ 

2.    ДН 08/15/2016 г. „Получаване и изследване на наноразмерни слоеве от оксо-зеолитни композити, полимери и графен като активни среди за опто-химични сензори“ – финансиран от ФНИ 

3.    ДМ 18/7/2017 г. “Разработване на твърдотелни багрилни лазерни среди с висока фотостабилност” – финансиран от ФНИ 

4.    КП-06 ПН38/7/2019 г. "Наноструктурирани тънкослойни покрития на базата на ZrO sub>2 и ZnO за приложения в различни оптоелектронни устройства и газови сензори" – финансиран от ФНИ 

5.    КП-06-Н58/2/16.11.2021г. „Изследване на възможностите за отлагане на дву- или повече слойни структури от типа графен- буферен слой- монокристална силициева подложка“ - финансиран от ФНИ

6.  Член на екипа на ИОМТ, партньор в ИНФРАМАТ – национална научна инфраструктура

Bulgarian Crystallographic Society

1. Georgieva, B, Podolesheva, I, Spasov, G, Pirov, J. Nanosized Thin SnO2 Layers Doped with Te and TeO2 as Room Temperature Humidity Sensors. Sensors, 14, 6, MDPI, 2014, DOI:10.3390/s140508950, 8950-8960.  Q1
2. Lazarova, K, Georgieva, B, Spassova, M, Babeva, T. Preparation and characterization of mesoporous Nb2O5 films for sensing applications. Journal of Physics: Conference series, 558, IOP Publishing, 2014, DOI:10.1088/1742-6596, 012042. Q3
3. Georgiev, R, Georgieva, B, Vasileva, M, Ivanov, P, Babeva, T. Optical Properties of Sol-Gel Nb2O5 Films with Tunable Porosity for Sensing Applications. Advances in Condensed Matter Physics, 2015, Article ID 403196, Hindawi Publishing Corporation, 2015, DOI:10.1155/4042, Q3
4. Angelov, R, Georgieva, B, Karashanova, D. Films of recycled polyethylene terephthalate, obtained by electrospraying, for paper and textile impregnation. Bulgarian Chemical Communication, 48, Special Issue G, 2016, 156-160. Q4
5. Georgiev, R, Todorova, L, Christova, D, Georgieva, B, Vasileva, M, Babeva, T. Influence of PEO, PDMAA and corresponding di- and triblock copolymers on the optical properties of niobia thin films. Bulgarian Chemical Communication, 48, Special Issue G, 2016, 167-172. Q4
6. Lazarova, K, Georgiev, R, Vasileva, M, Georgieva, B, Spassova, M, Malinowski, N, Babeva, T. One-dimensional PMMA–V2O5 photonic crystals used as color indicators of chloroform vapors. Optical and Quantum Electronics, 48:310, Springer, 2016, DOI:10.1007/s11082-016-0577-z, Q2
7. Babeva, T, Andreev, A, Grand, J, Vasileva, M, Karakoleva, E, Zafirova, B.S, Georgieva, B, Koprinarova, J, Mintova, S. Optical fiber–Ta2O5 waveguide coupler covered with hydrophobic zeolite film for vapor sensing. Sensors and Actuators B: Chemical, 248, Elsevier, 2017, 359-366. Q1
8. Koleva, M, Nedyalkov, N, Fukata, N, Jevasuwan, W, Amoruso, S, Koutzarova, T, Avdeev, G, Georgieva, B, Karashanova, D. Laser-assisted approach for synthesis of plasmonic Ag/ZnO nanostructures. Superlattices and Microstructures, 109, Elsevier, 2017, DOI:10.1016/j.spmi.2017.06.007, 886-896. Q2
9. Georgiev, R, Christova, D, Georgieva, B, Babeva, T. Organic framework engineering in mesoporous Nb2O5 thin films used as an active medium for organic vapors sensing. Proc. of SPIE, 10691, 2018, DOI:10.1117/12.2322527 
10. Georgiev, R, Christova, D, Todorova, L, Georgieva, B, Vasileva, M, Babeva, T. Generating porosity in metal oxides thin films through introduction of polymer micelles. Optical and Quantum Electronics, 50:156, Springer, 2018, DOI:10.1007/s11082-018-1422-3, Q2
11. Georgieva, B, Karashanova, D, Angelov, R, Slavov, A, Vasileva, I, Dodevska, T. TEM characterization of silver and gold nanoparticles synthesized by а ‘green’ method using water extract of Rosa Damascena petals waste and beer yeast. Bulgarian Chemical Communications, 50, Special Issue F, Bulgarian Academy of Sciences, 2018,  Q4
12. Tsoncheva, T, Mileva, A, Tsyntsarski, B, Paneva, D, Spassova, I, Kovacheva, D, Velinov, N, Karashanova, D, Georgieva, B, Petrov, N. Activated carbon from Bulgarian peach stones as a support of catalysts for methanol decomposition. Biomass&Bioenergy, 109, Elsevier, 2018, 135-146. Q1,
13. Kisov H., Dyankov G., Strijkova V., Georgieva B., Serbezov V.. Perspective laser medium for random lasing. Proceeding of SPIE, 110471J, International Society for Optics and Photonics, 2019
14. Lazarova, K., Boycheva S. V., Vasileva, M., Zgureva, D., Georgieva, B., Babeva, T. Zeolites from fly ash embedded in a thin niobium oxide matrix for optical and sensing applications. Journal of Physics Conference Series, 1186:012024, IOP, 2019, DOI:10.1088/1742-6596/1186/1/012024
15. Lazarova, K., Christova, D, Georgiev, R, Georgieva, B, Babeva, T.. Optical Sensing of Humidity Using Polymer Top-Covered Bragg Stacks and Polymer/Metal Thin Film Structures. Nanomaterials, 9, MDPI, 2019, DOI:10.3390/nano9060875, 875. Q1
16. Nazarova, D, Nedelchev, L, Stoykova, E, Blagoeva, B, Mateev, G, Karashanova, D, Georgieva, B, Kostadinova, D. Photoinduced birefringence in azopolymer doped with Au nanoparticles. Journal of Physics: Conference Series, 1310, Institute of Physics, 2019, DOI:10.1088/1742-6596/1310/1/012018, 012018-1-012018-6.
17. Atanasova, G., Dikovska, A. Og., Dilova, T., Georgieva, B., Avdeev, G. V., Nedialkov, N. N. Metal-oxide nanostructures produced by PLD in open air for gas sensor applications. Applied Surface Science, 470, Elsevier, 2019, ISSN:0169-4332, 861-869. Q1 - оглавява ранглистата
18. Dodevska, T., Vasileva, I., Denev, P., Karashanova, D., Georgieva, B., Kovacheva, D, Yantcheva, N, Slavov, A.. Rosa damascena waste mediated synthesis of silver nanoparticles: Characteristics and application for an electrochemical sensing of hydrogen peroxide and vanillin. Materials Chemistry and Physics, 231, Elsevier, 2019, DOI:10.1016/j.matchemphys.2019.04.030, 335-343.   Q2
19. Lazarova, Y L, Dodevska, T M, Slavov, A M, Karashanova, D B, Georgieva, B C. Biosynthesized silver nanoparticles: Electrochemical application. BULGARIAN CHEMICAL COMMUNICATIONS, 51, Bulgarian Academy of Sciences, 2019, 192-197. Q4
20. Milenov, T, Dikovska, A, Avdeev, G, Avramova, I, Kirilov, K, Karashanova, D, Tersiyska, P, Georgieva, B, Arnaudov, B, Kolev, S, Valcheva, E. Pulsed laser deposition of thin carbon films on SiO2/Si substrates. Applied Surface Science, 480, Elsevier, 2019, 323-329. Q1 - оглавява ранглистата
21. Milenov, T., Nikolov, A., Avdeev, G., Avramova, I., Russev, S., Karashanova, D., Kostadinov, I., Georgieva, B., Mladenoff, J., Balchev, I., Stankova, N., Kolev, S., Valcheva, E.. Synthesis of Grahene- like Phases in a Water Colloid by Laser Ablation of Graphite. Materials Science and Engineering B, 247, Elsevier, 2019,  Q2
22. Nikolov, A., Balchev, I., Stankova, N., Avramova, I., Valcheva, E., Russev, S., Karashanova, D., Georgieva, B., Kostadinov, I., Mladenoff, J., Kolev, S., Milenov, T.. Synthesis of submicron-dispersed carbon phases in water by Nd:YAG laser ablation of graphite. Proc. SPIE, 11047, International Society for Optics and Photonics, 2019
23. Tsoncheva, T, Tsyntsarski, B, Ivanova, R., Spassova, I, Kovacheva, D, Issa, G, Paneva, D, Karashanova, D., Dimitrov, M, Georgieva, B, Velinov, N, Mitov, I, Petrov, N. NixZn1-xFe2O4 modified activated carbons from industrial waste as catalysts for hydrogen production. Microporous & Mesoporous Materials, 285, Elsevier, 2019, 96-104 Q1
24. Yantcheva, N S, Karashanova, D B, Georgieva, B C, Vasileva, I N, Stoyanova, A S, Denev, P N, Dinkova, R H, Ognyanov, M H, Slavov, A M. Characterization and application of spent brewer’s yeast for silver nanoparticles synthesis. BULGARIAN CHEMICAL COMMUNICATIONS, 51, Bulgarian Academy of Sciences, 2019, ISSN:0861-9808, 173-177. Q4
25. Georgiev, R, Georgieva, B, Lazarova, K, Vasileva, M, Babeva, T. Sol–gel tantalum pentoxide thin films with tunable refractive index for optical sensing applications. Optical and Quantum Electronics, 52, 437, Springer, 2020, DOI:10.1007/s11082-020-02540-0, 1-12.  Q2
26. Kisov, H., Petrova, P., Serbezov, V., Georgieva, B., Strijkova, V., Diankov, G. Development of a composite polymer-dye medium for tunable laser emission. Optics and Laser Technologies, 128, Elsevier, 2020, DOI:10.1016/j.optlastec.2020.106215, 106215. Q1
27. Tsoncheva, T., Spassova, I., Issa, G., Ivanova, R., Kovacheva, D., Paneva, D., Karashanova, D., Velinov, N., Tsyntsarski, B., Georgieva, B., Dimitrov, M., Petrov, N. Ni0.5M0.5Fe2O4 (M = Cu, Zn) Ferrites Hosted in Nanoporous Carbon from Waste Materials as Catalysts for Hydrogen Production. Waste and Biomass Valorization, 11, 5, Springer, 2020, DOI:10.1007/s12649-020-01094-2, 1-14. Q2
28. Georgiev, R, Chorbadzhiyska, Y, Pavlov, V, Georgieva, B, Babeva, T. Optical Detection of VOC Vapors Using Nb2O5 Bragg Stack in Transmission Mode. Photonics, 8, 339, MDPI, 2021, ISSN:2304-6732, DOI:10.3390/photonics8090399, 1-11. Q2
29. Lazarova, K., Boycheva, S., Vasileva, M., Zgureva, D., Georgieva, B., Babeva, T.. Acetone-sensitive thin films comprising coal fly ash Na-X zeolites and sol-gel Nb2O5 matrix. Nanomaterials, 11, MDPI, 2021, 2399. Q1,
30. Milenov, T, Avramova, I, Dikovska, A, Karaivanova, D, Terziyska, P, Kolev, S, Karashanova, D, Georgieva, B, Dimov, D, Atanasov, V, Valcheva, E. Modification of graphene-like, hydrogenated amorphous, hydrogenated tetrahedral amorphous carbon and amorphous carbon thin films by UV-C light. Surfaces and Interfaces, 24, 101073, Elsevier, 2021, ISSN:2468-0230, Q1
31. Milenov, T, Dimov, D, Nikolov, A, Stankova, N, Avramova, I, Karashanova, D, Georgieva, B, Avdeev, G, Karaivanova, D, Valcheva, E. Synthesis of graphene-like phases by laser ablation of micro-crystalline graphite in water suspension. SURFACES AND INTERFACES, 27, ELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2021, DOI:10.1016/j.surfin.2021.101491, 101491. Q1
32. Milenov, T., Dikovska, A., Avramova, I., Karaivanova, D., Avdeev, G., Tersiyska, P., Dimov, D., Karashanova, D., Georgieva, B., Kolev, S., Valcheva, E.. Modification of thin carbon films by UVC light. Journal of physics: Conference series, 1859, 012008, IOP, 2021, DOI:10.1088/issn.1742-6596, Q4
33. Milenov, T., Dimov, D., Nikolov, A., Stankova, N., Avramova, I., Avdeev, G., Russev, S., Karashanova, D., Georgieva, B., Kostadinov, I., Karaivanova, D., Kolev, S., Valcheva, E.. Nd:YAG laser ablation of micro-crystalline graphite in a water suspension. Journal of physics: Conference series, 1859, IOP, 2021, DOI:10.1088/issn.1742-6596, Q4
34. Kisov, H., Blagoev, K., Tankova, V., Georgieva, B., Strijkova, V., Petrova, P., Dyankov, G.. Organic random laser generation by stimulated cascaded four-wave mixing. Optics and Laser Technology, 148, 2022, DOI:10.1016/j.optlastec.2021.107766 Q1
35. Avramova, I., Dimov, D., Stankova, N., Petrov, M., Karaivanova, D., Avdeev, G., Russev, S., Karashanova, D., Georgieva, B., Valcheva, E., Milenov, T. Novel Approach for Synthesis of Graphene-like Phases by Pulsed Laser Ablation in a Flow-Mode Suspension. Materials, 15, 7870, MDPI, 2022, DOI:10.3390/ma15227870, 7870. JCR-IF (Web of Science):3.748  Q1
36. Milenov, T., Karaivanova, D, Angelov, O, Terziyska, P, Avdeev, G, Karashanova, D, Georgieva, B, Genkov, K, Dimov, D, Ivanov, K, Kolev, S, Valcheva, E. Structure and phase composition study of thin TiO2:C films deposited by r.f. magnetron sputtering. Journal of physics: Conference series, 2240, IOP Publishing, 2022, ISSN:1742-6596, DOI:10.1088/1742-6596/2240/1/012009, SJR
37. Milenov, T., Terziyska, P., Avdeev, G., Karashanova, D., Georgieva, B., Avramova, I., Genkov, K., Valcheva, E. Structure and Phase Composition Study of Heavy Doped with Carbon Thin Films of TiO2 : C Deposited by RF Magnetron Sputtering. Russian Journal of Inorganic Chemistry, Springer, 2022, ISSN:0036-0236, DOI:10.1134/S0036023622100333, 1509-1520. JCR-IF (Web of Science):1.667  Q3
38. Lazarova, K., Christova, D., Karashanova, D., Georgieva, B., Marovska, G., Slavov, A., Babeva, T.. Blending Approach Preparation of PVA-g-PMA Films with Embedded “Green” Synthesized Silver Nanoparticles for Acetone Optical Detection.. Sensors, 23, 6, MDPI, 2023, ISSN:1424-8220, DOI:10.3390/s23062941, 2941-1-2941-14. SJR (Scopus):0.764, JCR-IF (Web of Science):3.9  Q1
39. Marinov, G., Georgieva, B., Vasileva, M., Babeva, T.. Study of Structure, Morphology and Optical Properties of Cobalt-Doped and Co/Al-co-Doped ZnO Thin Films Deposited by Electrospray Method. Applied Sciences, 13, 17, MDPI, 2023, ISSN:20763417, DOI:10.3390/app13179611, 9611. SJR (Scopus):0.492, JCR-IF (Web of Science):2.7  Q1
40. Pavlov, V., Georgiev, R., Lazarova, K., Georgieva, B., Babeva, T.. Hard-Templated Porous Niobia Films for Optical Sensing Applications. Photonics, 10, 2, MDPI, 2023, ISSN:2304-6732, DOI:10.3390/photonics10020167, 167. SJR (Scopus):0.479, JCR-IF (Web of Science):2.4  Q2
41. Chorbadzhiyska Y., Georgiev, R., Georgieva, B., Babeva, T. Impact of annealing and soft template concentration on optical and sensing properties of wet-deposited SiO2 thin films. Journal of Physics: Conference Series, 2487, IOP Publishing, 2023, ISSN:17426588, DOI:10.1088/1742-6596/2487/1/012035, 012035. SJR (Scopus):0.183  SJR
42. Dimov, D.A., Stankova, N., Karaivanova, D., Karashanova, D., Georgieva, B., Avramova, I., Petrov, M., Valcheva, E., Avdeev, G., Ivanov, K., Milenov, T. Modification of microcrystaline graphites by pulsed laser ablation in a flow mode suspension. Journal of Physics: Conference Series, 2487, IOP Publishing, United Kingdom, 2023, ISSN:1742-6588, 1742-6596, 012010. SJR (Scopus):0.183  SJR
43. Milenov, T., Dimov, D., Avramova, I., Kolev, S., Trifonov, D., Avdeev, G., Karashanova, D., Georgieva, B., Ivanov, K., Valcheva, E. Modification of micro-crystalline graphite and carbon black by acetone, toluene, and phenol. Journal of Chemical Physics, 158, 6, AIP Publishing, 2023, ISSN:1089-7690, DOI:10.1063/5.0133736, 064706-1-064706-15. SJR (Scopus):1.196, JCR-IF (Web of Science):4.4  Q1
44. Hambarlyiska, I., Petkova, N., Georgieva, P., Slavov, A., Ognyanov, M., Karashanova, D., Georgieva, B., Tumbarski, Y. Green methods for inulin extraction from common salsify (Tragopogon porrifolius L.) roots and its application in metal nanoparticle synthesis. Bulgarian Chemical Communication, 56, D2, BAS, 2024, ISSN:0324-1130, DOI:10.34049/bcc.56.D.S2P57, 121-128. SJR (Scopus):0.148  Q4