CV
Current Academic position: Associate Professor (Tenure Track, HDR)
Specialisation: Solid state physics and Nanotechnologies
Professional address:
- Research center on energy technologies CRTEn, Photovoltaic laboratory (LPV),
Semiconductor Nanostructures and Advanced Technologies Laboratory LSNTA, Tunisia.
- Shaqra University, College of sciences and humanities , al kowaiyia, Department of physics, KSA
Citizenship: Tunisian
Tel : +966 0559926504
E-mail : derbali.lot@gmail.com / lderbali@su.edu.sa
- SUMMARY .
• Extensive experience in synthesis and characterization of solid-state materials.
• Strong background in Material sciences, nanostructures and low dimensional system and nanomaterials, surface and interface science, vacuum system, semiconductors materials.
• Familiar with material characterization instruments such as surface & structural Analysis: Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM), Atomic Force Microscopy (AFM), X-ray Diffraction (XRD), Ultra-VioletVisible-Near infrared spectroscopy (UV-Vis-NIR), Raman spectroscopy, WTC120 photoconductance, … etc.
• Elemental Analysis: Inductively Coupled Plasma (ICP), Electron Diffraction Spectroscopy (EDS)
• Strongly self-motivated, responsible, self-starter and collaborative.
• Height years of Teachnig and research experience as an R&D junior researcher.
- WORK EXPERIENCE .
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Associate professor, physics |
Shaqra university, KSA |
2020 - Present |
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Associate professor (Tenure Track), physics |
CRTEn, Technopol of Borj Cedria, Tunisia |
2020 - Present |
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Assistant professor, physics |
CRTEn, Technopol of Borj Cedria, Tunisia |
2014 - 2020
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Assistant professor, Physics |
High institute of technological studies ISET, Tunisia |
2017 - 2019 |
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Assistant professor, physics |
High institute of science and environmental technologies, Borj Cedria, Tunisia |
2013 - 2014
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Assistant professor, physics Contractual –full time- |
High institute of applied sciences and technologies, Gafsa, Tunisia |
2010 - 2013
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- ACADEMIC QUALIFICATIONS .
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Doctor of Philosophy Ph.D., physics |
Carthage university: faculty of sciences of Bizerte Research and technology center of energy CRTEn |
2013 |
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Master of Science M.Sc., physics (Solid state physics, material physics) |
Carthage university: faculty of sciences of Bizerte |
2009 |
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Bachelor of Science B.Sc., physics |
Carthage university: faculty of sciences of Bizerte |
2007 |
- LANGUAGES Arabic, fluent
English, fluent
French, fluent
- TEACHING .
During the period 2010-Present time, I have been involved in teaching physics courses. I was supervising the establishment of physics curriculum and the basic physics laboratories at the University of Gafsa and Carthage University, Tunisia. Recently, I am involved in the developments of the teaching methodology using some new innovative pedagogy and new methodologies , in addition to some simple virtual teaching tools to implement in the following:
- In our courses, we used Blackboard and some simple tools included in it to communicate with students and allow them to explore it. In addition to using videos to facilitated the learning process.
- We have been a special online homework management (Wiley Plus from Wiley) for several years now. We have compiled enough data to start studying student progress and the effect of online teaching on student performance.
- Physics 3 for the 2nd year of Physics Department students at the ISSTE faculty of Borj Cedria. (The text book "University Physics" the 13th Edition, by Young & Freedman).
- Physics I & Physics II for the first year of Sciences and engineering students (The text book "University Physics" the 11th Edition, by Young & Freedman).
- TEACHING EXPERIENCE .
General physics
Solid-state physics
Electrostatics and magnetism
Semiconductor materials and solar cells
Wave and vibrations
Quantum physics
Thermodynamics
Nuclear Energy
Modern physics
Laser Technologies and application
INTERNSHIPS-TRAINING
- Materials analysis using the “Inductively Coupled Plasma Mass Spectroscopy (ICP-MS) training courses, Technopol of Borj Cedria, Tunis, (September 23-25, 2017 & October 10 – 15 2018).
- Intensive short courses on Nanomaterials and Nanotechnology, (February 18 – 23, 2019), Research Center on energy technologies, Tunisia.
- Scientific research project internship at the Institute of Nanoscience and Nanotechnology (IN2UB), Barcelona University, Barcelona, Spain, (from Jun 26, 2016 to July 27, 2016).
- Internship at the Polytechnic University of Valencia, (from February 19, 2017 to April 02, 2017), Preparation and Characterization of new generation solar cell based on perovskite materials. Valencia, Spain.
RESEARCH INTERESTS .
- Solid-State Devices and Nanotechnology
- Optoelectronics
- Solar cell technologies
- Semiconductor process engineering
- Materials for thin solid films
- Surfaces and interfaces
- Porous materials and nanostructures
- LASER surface engineering
- KNOWLEDGE AND SKILLS .
- Design and setup of characterization and preparation techniques for research purpuses.
- Practical knowledge of polishing, etching, micro-grooving and surface nanostructuring of semiconductor materials for optoelectronic applications.
- Material analysis using FESEM microscopy, Quantum efficiency (QE), Atomic force microscopY (AFM), Solar cells characterization, and XRay diffraction (XRD).
- Measurement of optical and intrinsic properties of semiconductors.
- Experience in working with laser systems, spectrometers, low level signal detection using lock-in amplifiers, detectors (UV, visible, IR), vacuum systems, laser ablation systems, cryostats (…).
- SUPERVISION & SCIENTIFIC PROJECTS .
- Supervision of many master degrees students working on many research projects.
- Co-supervision of many PhD students in collaboration with our laboratory partners.
I have participated in supervising students and led various projects during my academic
work. I have supervised and Co-supervised several graduate students projects in Master as
well as PhD levels, some of those projects are listed below:
1. Doctor of Philosophy Ph.D., thesis entitled: Nanocristalline silicon (nc-Si) deposition using
micro-waves PECVD optimized for high optoelectronic properties acting as an antireflection
coating.
2. Doctor of Philosophy Ph.D., thesis entitled: Silicon nanostructures passivation for
optoelectronic and gas sensing applications.
3. Doctor of Philosophy Ph.D., thesis entitled: Preparation of Nickel Oxide (NiO) thin film
using sol-gel method and doping effect for gas sensor application.
4. Doctor of Philosophy Ph.D., thesis entitled: Electrical properties improvement of
multicristalline silicon via an RTP gettering process and ZnO thin films passivation layer.
5. Doctor of Philosophy Ph.D., thesis entitled: Developing and investigation of nanostructures
embedded into porous silicon for monocrystalline silicon based solar cells.
6. Master of Science M. Sc., thesis entitled: Design and set-up of multifunctional spin coating
for controlled sol-gel thin films deposition process.
7. Master of Science M. Sc., thesis entitled: Design and fabrication of spray pyrolysis
deposition technique for Heterojunction solar cells application.
8. Master of Science M. Sc., thesis entitled: Design and set-up of electrodeposition technique
for a large type of high quality metal oxide thin films deposition.
9. Master of Science M. Sc., thesis entitled: Preparation and characterization of yttrium oxide
(Y2O3) thin film used as a passivation layer of homojunction silicon front surface.
10. Master of Science M. Sc., thesis entitled: Laser ablation microgrooving and chemical
texturization for a high gettering efficiency of crystalline silicon.
11. Master of Science M. Sc., thesis entitled: VTP gettering process of GaAs and ZnO/GaAs
heterojunction preparation with a laser microgrooved interface.
- UNIVERSITY COMMITTEES AND ADMINISTRATIVE EXPERIENCE .
- Member of the scientific council and Research Laboratories advisory team at CRTEn, Tunisia (January 2016 to present).
- Member of the Accreditation Curriculum committee (2016 - 2017) LSNTA-ISSTE.
- Member of the promotion committee, Applied physics and chemistry (September 2013 to Jun 2018).
- Member of the MSc proposed program in Applied Physics (January 2014 to July 2016).
- Director of “Materials for Energy and Advanced Technologies” division, LSNTA Tunisia (March 2016 to 2019).
- Member of the scientific committee for strategic planning and scientific research project processing (January 2016 to present).
- Member of the organizing committee of the Tunisian Turkish Symposium on Photovoltaic Energy, September 12-13, 2018, Borj Cedria, Tunisia.
- Member of the organizing committee of the International Renewable Energy Congress IREC, Tunisia.
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1. L. Derbali and H. Ezzaouia: Nanoscale Research Letter, Vol. 7 (2012) 427
« Phosphorous diffusion gettering process of multicrystalline silicon using a sacrificial porous silicon layer ».
2. L. Derbali , W. Dimassi, H. Ezzaouia. Energy Procedia, Vol. 10 (2011) 243 – 248.
« Improvement of the minority carrier mobility in low-quality multicrystalline silicon using the porous silicon-based gettering under an O2 atmosphere ».
3. L. Derbali* and H. Ezzaouia. Solar Energy, Vol. 86 (2012) 1504–1510.
« Vanadium-based antireflection coated on multicrystalline silicon acting as a passivating layer ».
4. W. Dimassi, L. Derbali, M. Bouaicha, B. Bessais, H. Ezzaouia. Solar Energy, Vol. 85 (2011) 350–355.
« Two-dimensional LBIC and Internal-Quantum-Efficiency investigations of grooved grain boundaries in multicrystalline silicon solar cells ».
5. L. Derbali and H. Ezzaouia : EPJ Web of conferences, Vol. 29 (2012) 00013.
« Enhancement of porous silicon photoluminescence using vanadium pentoxide treatment ».
6. L. Derbali, H. Ezzaouia : Applied Surface Science, Vol. 271 (2013) 234– 239
« Electrical properties improvement of multicrystalline silicon solar cells using a combination of porous silicon and vanadium oxide treatment ».
7. A. Zarroug, L. Derbali, R. Ouertani, W. Dimassi and H. Ezzaouia : Surface Review and Letters (SRL), Vol. 21, No. 3 (2014) 1450041
« Combined effect of mechanical grooving and stain-etched surface on optical and electrical properties of crystalline silicon substrates ».
8. A. Zarroug, L. Derbali and H. Ezzaouia: Materials Science in Semiconductor Processing, Vol. 30(2015) 451–455.
« The impact of thermal treatment on gettering efficiency in silicon solar cells».
9. Zarroug, I. Haddadi, L. Derbali and H. Ezzaouia: Superlattices and Microstructure, Vol. 80 (2015) 181-187.
« LiBr treated porous silicon used for efficient surface passivation of crystalline silicon solar cells».
10. L. Derbali, A. Zarroug and H. Ezzaouia : Renewable Energy, Vol. 77 (2015) 331-337.
« Minority carrier lifetime and efficiency improvement of multicrystalline silicon solar cells by two-step process».
11. Ahmed Zarroug, Zied Ben Hamed, Lotfi Derbali, Wissem Dimassi, Hatem Ezzaouia: Journal of Crystal Growth, Vol. 422 (2015) 69-74.
« Enhanced phosphorus gettering of impurities in p-type Czochralski silicon through a variable temperature processing (VTP)».
12. Ahmed Zarroug, Zied Ben Hamed, Lotfi Derbali, Hatem Ezzaouia: Journal of Crystal Growth, Vol. 463 (2017) 95-99.
« Mechanical grooving effect on the gettering efficiency of crystalline silicon based solar cells».
13. R. Riahi, L. Derbali, B. Ouertani, H. Ezzaouia: Applied Surface Science, Vol. 404 (2017) 34-39.
« Temperature dependence of Nickel Oxide effect on the optoelectronic properties of porous silicon».
14. Ahmed Zarroug, Zied Ben Hamed, Fakher Laater, Lotfi Derbali, Hatem Ezzaouia: Materials Research Bulletin, Vol. 91 (2017) 127-134.
« The removal of metal impurities from the surface of Czochralski wafers using a porous silicon-based gettering under a gas flow HCl/O2 dry ».
15. Derbali, A., Saidi, H., Attaf, A., ...Derbali, L., Aida, M.S.: Journal of Semiconductors, 2018, 39(9), 093001
« Solution flow rate influence on ZnS thin films properties grown by ultrasonic spray for optoelectronic application ».
16. Ahmed Zarroug, Zouheir Bouznif, Zied Ben Hamed, Lotfi Derbali, Hatem Ezzaouia: The International Journal of Advanced Manufacturing Technology, Vol. 91 (2017) 127-134.
« Optoelectronic effect of porous silicon surface treatment with samarium ions for different deposition times and characterizations».
17. Zouhier Bouznif, Ahmed Zarroug, Zied Ben Hamed, Lotfi Derbali And Hatem Ezzaouia: Surface Review and Letters, Vol. 28, No. 8 (2018) 1850099.
« Passivation of crystalline silicon on porous silicon surface treated by erbium oxide (Er2O3) for enhancement of the photovoltaic properties ».
18. R. Riahi, L. Derbali, C. Amri, M. Hassen, H. Ezzaouia : Journal of Materials Science: Materials in Electronics (2018)
https://doi.org/10.1007/s10854-017-8280-9.
« Structural and optical characterization of CdSe nanocrystals (NCs) embedded into a porous silicon nanostructure ».
19. L. Derbali, S. El Whibi, A. Zarroug, J. Bertomeu, H. Ezzaouia: Journal of Materials Science: Materials in Electronics (2018): https://doi.org/10.1007/s10854-018-8544-z
« Yttrium oxide passivation of porous silicon nanostructures for improved photoluminescence and optoelectronic properties ».
20. M. Ouadhour, L. Derbali, S. Zargouni, M. Hajji, H. Ezzaouia: Journal of Materials Science: Materials in Electronics (2018)
https://doi.org/10.1007/s10854-018-8828-3
« ZnO thin film and porous silicon co-gettering of impurities in multicrystalline silicon through a VTP process ».
21. L. Derbali, M. Dkhili, S. Zargouni, M. Ouadhour, R. Riahi, H. Ezzaouia: Superlattices and Microstructures (2018)
https://doi.org/10.1016/j.spmi.2018.09.031
« Laser ablation microgrooving and nanostructured silicon surfaces for an effective gettering process and reduced optical losses ».
22. Zouhier Bouznif, Chohdi Amri, Ahmed Zarroug, Anoir Ben Fradj, Lotfi Derbali, Hatem Ezzaouia: Journal of Materials Science: Materials in Electronics (2018)
https://doi.org/10.1007/s10854-018-8978-3
« Correlation between structural and optical properties of porous silicon treated with Erbium(III) ».
23. Zouheir Bouznif, Chohdi Amri, Ahmed Zarroug, Mohamed Hannachi, Lotfi Derbali, Hatem Ezzaouia: Journal of Materials Science: Materials in Electronics (2019), Volume 30, Issue 14, pp 13627–13635.
«Improving optoelectrical properties of porous silicon by the combination of samarium pore-filling and post-annealing treatment».
24. L. Derbali, M. Dkhili, S. Mezni, S. Zargouni, M.Ouadhour, S. El Whibi, H. Ezzaouia : Journal of Materials Science: Materials in Electronics (2019)
DOI: 10.1007/s10854-018-0350-0
« Light harvesting and effective surface passivation using electrodeposited Y2O3 for broadband absorption enhancement in silicon solar cells ».
25. S. Zargouni, L. Derbali, M. Ouadhour, M. Rigon, A. Martucci, H. Ezzaouia : Ceramics International (2019)
https://doi.org/10.1016/j.ceramint.2018.12.044
« Elaboration and characterization of PVP-assisted NiO thin films for enhanced sensitivity toward H2 and NO2 gases ».
26. Feriel Bouhjar, Lotfi Derbali, Bernabé Marí, Brahim Bessaïs : Solar Energy Materials and Solar Cells 195 (2019) 241–249.
«Photo-deposition of cobalt-phosphate group modified hematite for efficient water splitting».
27. Seif El Whibi, Lotfi Derbali, Pascal Tristant, Cedric Jaoul, Maggy Colas, , Richard Mayet, Julie Cornette, Hatem Ezzaouia: Journal of Materials Science: Materials in Electronics (2019):
https://doi.org/10.1007/s10854-018-0508-9
« Optimized nc-Si:H thin films with enhanced optoelectronic properties prepared by micro-waves PECVD used as an effective silicon surface passivation layer».
28. Bouhjar, F., Derbali, L., Marí, B., Bessaïs, B.: Results in Physics, 17, (2020), 102996
« Electrodeposited chromium-doped α-Fe2O3 under various applied potential configurations for solar water splitting».
29. A. Attaf, A. Derbali, H. Saidi, H. Benamra, M.S. Aida, N. Atta, H. Ezzaouia, L. Derbali : Physics letter A, Available online 2020.
https://doi.org/10.1016/j.physleta.2019.126199
«Physical properties of Pb doped ZnS thin films prepared by ultrasonic spray technique».
30. Feriel Bouhjar, Lotfi Derbali, Bernabé Marí, Brahim Bessaïs : International Journal of Hydrogen Energy, Available online 2020.
https://doi.org/10.1016/j.ijhydene.2019.10.215
«Electrodeposited Cr-Doped α-Fe2O3 thin films active for photoelectrochemical water splitting».
31. Bouhjar, F., Derbali, L., Marí, B.: Nano Research, 2020, 13(9), pp. 2546-2555
« High performance novel flexible perovskite solar cell based on a low-cost-processed ZnO:Co electron transport layer ».
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1. International Meeting on Materials for Electronic Applications - IMMEA-2013, November 14-17, 2013, Sousse, Tunisia.
L. Derbali and H. Ezzaouia
« Conversion and internal quantum efficiency improvement of gettered multicrystalline silicon solar cells ».
2. International Conference and Exhibition on Nanoscience and Nanotechnology & Materials for Energy and Environment, Hammamet –Tunisia, 24-26 April 2014 (NANOTECH and MEET joint conferences Tunisia 2014).
L. Derbali and H. Ezzaouia
« Minority carrier lifetime and internal quantum efficiency enhancement of gettered multicrystalline silicon based solar cells using Y2O3 nano-structured ARC ».
3. International conference “Materiaux 2016”, 29/10/2016 to 01/11/2016, held at Mehari Hammamet, Tunisia.
L. Derbali, M. Ouadhour and H. Ezzaouia
« Effect of the concentration of phosphorous on the electrical properties of the nanostructured ZnO :P(n)/Si(p) heterojunction ».
4. The ninth International Renewable Energy Congress"IREC 2018", on March 20 – 22, 2018 in Hammamet-Tunisia.
Derbali Lotfi, Zargouni Sarra, Ouadhour Mouna, Ezzaouia Hatem
« Light harvesting yttrium oxide thin film for improved light absorbance and enhanced crystalline silicon solar cells performances ».
5. The ninth International Renewable Energy Congress"IREC 2018", on March 20 – 22, 2018 in Hammamet-Tunisia.
L. Derbali, R. Riahi, S. El whibi, S. Zargouni, M. Ouadhour, H. Ezzaouia
« Post-annealing effect on microgrooved monocrystalline silicon: Improved carrier lifetime and solar cell efficiency ».
6. International Conference on Functional Materials ICFM 2019 Hammamet (Tunisia), March 24-28, 2019
L. Derbali*, S. Zargouni, S. El Whibi, J. Bertomeu, H. Ezzaouia
«Photoluminescence stabilization of silicon nanostructures via a passivation process using Y2O3 during an aging process».
7. The tenth International Renewable Energy Congress"IREC 2019". March 26 – 28, 2019 in Sousse-Tunisia
Derbali Lotfi, Zargouni Sarra, Ouadhour Mouna, Riahi Rim, Ezzaouia Hatem
«Growth of V2O5 thin film and application in heterojunction V2O5/p-Si solar cell».
8. The tenth International Renewable Energy Congress"IREC 2019". March 26 – 28, 2019 in Sousse-Tunisia
Derbali Lotfi, El Whibi Seif, Zargouni Sarra, Riahi Rim, Ezzaouia Hatem
«Preparation and characterization of Ni-doped ZnS thin films for enhanced structural, optical and electrical properties».
9. International Conference on Functional Materials ICFM 2019 Hammamet (Tunisia), March 24-28, 2019
S. Zargouni, L. Derbali, M. Ouadhour and H. Ezzaouiaa
«Effect of a multistep deposition process on the optical gas sensing properties of NiO sol-gel thin films».
10. International Conference on Functional Materials ICFM 2019 Hammamet (Tunisia), March 24-28, 2019
F. Bouhjar, L. Derbali, B. Marí and B. Bessaïs
«Hydrothermal synthesis of Nanostructured Cr-doped hematite with enhanced photoelectrochemical activity».
11. European Materials Research Society E-MRS Spring Meeting, 9-14 Mai 2011, Nice, France.
L. Derbali, W. Dimassi and H. Ezzaouia
« Improvement of the minority carrier mobility in low-quality multicrystalline silicon using the porous silicon-based gettering under an O2 atmosphere ».
12. VI ème Congrès International sur les Energies Renouvelables et l’Environnement CERE 2012, 19-21 Mars, 2012, Hammamet, Tunisie.
L. Derbali and H. Ezzaouia
« Electrical properties enhancement of purified multicrystalline silicon solar cells: grain boundaries passivation ».
13. Porous Semiconductors – Science and Technology, 8th International Conference, Malaga, 25-30.03.2012 Spain.
L. Derbali and H. Ezzaouia
« Improvement of solar cells performances by surface passivation using porous silicon treated with evaporated V2O5 ».
14. Porous Semiconductors – Science and Technology, 8th International Conference, Malaga, 25-30.03.2012 Spain.
L. Derbali and H. Ezzaouia
« Enhancement of multicrystalline silicon solar cells efficiency using diffusion process of phosphorus into porous silicon layer ».