Eng. Ovidiu FLOREA

Technological Development Engineer

Laboratory of Atomic Structures and Defects in Advanced Materials (LASDAM)

Keywords: Chemoresistive gas sensors, Gas Mixing System


2012-2015: MSc in Physics - Applied Physics: Photonics, Spectroscopy, Plasma, Lasers.

University of Bucharest, Faculty of Physics.

2007-2012: BSc in Physics - Technological Physics.

University of Bucharest, Faculty of Physics.


Technical Development Engineer at National Institute of Materials Physics, Romania.

Laboratory of Atomic Structures and Defects in Advanced Materials (LASDAM), Gas Sensors group.

Research interests

Electrical characterization of chemoresistive gas sensors (electrical resistance and work function measurements).

Data acquisition and graphical representation (gas sensors sensitivity, selectivity, stability, response/recovery time, contact potential difference, work function, surface band bending, electron affinity).


Gas Mixing System (GMS) operator, calibration and maintenance.

Equipment automation: electrometers, scanner cards, multimeters, power supplies.


1. Influence of relative humidity on CO2 interaction mechanism for Gd-doped SnO2 with respect to pure SnO2 and Gd2O3
Authors: Ghica, C; Mihalcea, CG; Simion, CE; Vlaicu, ID; Ghica, D; Dinu, IV; Florea, OG; Stanoiu, A

Published: OCT 1 2022, SENSORS AND ACTUATORS B-CHEMICAL, 368, 132130, DOI: 10.1016/j.snb.2022.132130

2. Effects of Calcination Temperature on CO-Sensing Mechanism for NiO-Based Gas Sensors
Authors: Stanoiu, A; Ghica, C; Mihalcea, CG; Ghica, D; Somacescu, S; Florea, OG; Simion, CE

Published: MAY 2022, CHEMOSENSORS, 10, 191, DOI: 10.3390/chemosensors10050191

3. Insights about CO Gas-Sensing Mechanism with NiO-Based Gas Sensors-The Influence of Humidity
Authors: Simion, CE; Ghica, C; Mihalcea, CG; Ghica, D; Mercioniu, I; Somacescu, S; Florea, OG; Stanoiu, A

Published: SEP 2021, CHEMOSENSORS, 9, DOI: 10.3390/chemosensors9090244

4. Sensing Properties of NiO Loaded SnO2 Nanoparticles-Specific Selectivity to H2S
Authors: Stanoiu, A; Kuncser, AC; Ghica, D; Florea, OG; Somacescu, S; Simion, CE

Published: JUN 2021, CHEMOSENSORS, 9, DOI: 10.3390/chemosensors9060125

5. CuWO4 with CuO and Cu(OH)(2) Native Surface Layers for H2S Detection under in-Field Conditions
Authors: Somacescu, S; Stanoiu, A; Dinu, IV; Calderon-Moreno, JM; Florea, OG; Florea, M; Osiceanu, P; Simion, CE

Published: JAN 2021, MATERIALS, 14, DOI: 10.3390/ma14020465

6. Low temperature CO sensing under infield conditions with in doped Pd/SnO2
Authors: Stanoiu, A; Ghica, C; Somacescu, S; Kuncser, AC; Vlaicu, AM; Mercioniu, IF; Florea, OG; Simion, CE

Published: APR 1 2020, SENSORS AND ACTUATORS B-CHEMICAL, 308, DOI: 10.1016/j.snb.2020.127717

7. CeO2:Mn3O4 Catalytic Micro-Converters Tuned for CH4 Detection Based on Catalytic Combustion under Real Operating Conditions
Authors: Simion, CE; Florea, OG; Florea, M; Neatu, F; Neatu, S; Trandafir, MM; Stanoiu, A

Published: MAY 2020, MATERIALS, 13, DOI: 10.3390/ma13092196

8. Nanostructured Cobalt Doped Barium Strontium Titanate Thin Films with Potential in CO2 Detection
Authors: Ciobota, CF; Piticescu, RM; Neagoe, C; Tudor, IA; Matei, A; Dragut, DV; Sobetkii, A; Anghel, EM; Stanoiu, A; Simion, CE; Florea, OG; Bejan, SE

Published: NOV 2020, MATERIALS, 13, DOI: 10.3390/ma13214797

9. Methane Combustion Using Pd Deposited on CeOx-MnOx/La-Al2O3 Pellistors
Authors: Florea, OG; Stanoiu, A; Gheorghe, M; Cobianu, C; Neatu, F; Trandafir, MM; Neatu, S; Florea, M; Simion, CE

Published: NOV 2020, MATERIALS, 13, DOI: 10.3390/ma13214888

10. Bulk Versus Surface Modification of Alumina with Mn and Ce Based Oxides for CH4 Catalytic Combustion
Authors: Neatu, S; Trandafir, MM; Stanoiu, A; Florea, OG; Simion, CE; Leonat, LN; Cobianu, C; Gheorghe, M; Florea, M; Neatu, F

Published: JUN 1 2019, MATERIALS, 12, DOI: 10.3390/ma12111771

11. Nanoclustered Pd decorated nanocrystalline Zn doped SnO2 for ppb NO2 detection at low temperature
Authors: Somacescu, S; Ghica, C; Simion, CE; Kuncser, AC; Vlaicu, AM; Stefan, M; Ghica, D; Florea, OG; Mercioniu, IF; Stanoiu, A

Published: SEP 1 2019, SENSORS AND ACTUATORS B-CHEMICAL, 294, 156, DOI: 10.1016/j.snb.2019.05.033

12. Networked mesoporous SnO2 nanostructures templated by Brij (R) 35 with enhanced H2S selective performance
Authors: Stanoiu, A; Simion, CE; Sackmann, A; Baibarac, M; Florea, OG; Osiceanu, P; Teodorescu, VS; Somacescu, S

Published: NOV 1 2018, MICROPOROUS AND MESOPOROUS MATERIALS, 270, 101, DOI: 10.1016/j.micromeso.2018.05.008

13. H2S selective sensitivity of Cu doped BaSrTiO3 under operando conditions and the associated sensing mechanism
Authors: Stanoiu, A; Piticescu, RM; Simion, CE; Rusti-Ciobota, CF; Florea, OG; Teodorescu, VS; Osiceanu, P; Sobetkii, A; Badilita, V

Published: JUL 1 2018, SENSORS AND ACTUATORS B-CHEMICAL, 264, 336, DOI: 10.1016/j.snb.2018.03.013

14. Gas sensing mechanism involved in H2S detection with NiO loaded SnO2 gas sensors
Authors: Simion, CE; Florea, OG; Stanoiu, A


15. Gas sensing properties of NiO/mesoporous SnO2
Authors: Stanoiu, A; Somacescu, S; Simion, CE; Calderon-Moreno, JM; Florea, OG


16. Low level NO2 detection under humid background and associated sensing mechanism for mesoporous SnO2
Authors: Stanoiu, A; Somacescu, S; Calderon-Moreno, JM; Teodorescu, VS; Florea, OG; Sackmann, A; Simion, CE

Published: AUG 2016, SENSORS AND ACTUATORS B-CHEMICAL, 231, 174, DOI: 10.1016/j.snb.2016.02.137

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