أستاذ مشارك | Faculty

العنوان: PO Box 10219, Riyadh 11433, Saudi Arabia | الهاتف: +966114693534

المواد الدراسية

Geometric Optics
المزيد

Dr. Idriss Bedja

التعريف الشخصي: 
Idriss Bedja received his BSc degree from University of Science and Technology Houari Boumediene (USTHB), Algiers, Algeria, in 1986; his MSc degree in Physics (Physics of Surfaces) from University Laval, Quebec, Canada in 1991 and his PhD degree in Photo-biophysics (Photophysics and Photoelectrochemistry Studies on Nanocrystalline Semiconductor Systems and solar Cells.) from University of Quebec at Trois-Rivieres , Quebec, Canada in 1996. Postdoc as Alexander Von Humboldt Fellow in Germany, 1996-1998, Postdoct at INRS-Energie, Montreal 1998-1999, Assistant and then Associate Professor at King Saud University till today. His research expertise and interests include fabrication, steady state and real time characterization of nanostructured-based Dye sensitized/and Quantum Dots solar cells and dynamic studies of electron interfacial transfer of nanostructured heterogeneous systems. As a result of local, regional and international collaborations, Dr. Idriss has published more than 50 journal papers and conference proceedings. He is a co-author of 1 book and chapters in English. He is actually supervising and co-supervising 3 graduate students. Dr Idriss is a permanent member of Alexander Von Humboldt Organization, Germany. He received a Laureate price of Edward G. Weston 1994 from Electrochemical Society, USA.

Idriss Bedja, Ph.D.
Optometry Dept
CRC, College of Applied Medical Sciences
King Saud University
PO Box 10219
Riyadh 11433
Office: +966114693534
Mobile: +966503110316
Email:  bedja@ksu.edu.sa
 
Educational Qualifications
1991- 1996 Ph. D. in Biophysics Universite du Quebec a Trois-Rivieres, Trois-Rivieres,Quebec, Can
1988-1991  MSc in Physics (Physics of Surfaces) Universite Laval, Sainte-Foy, Quebec, Canada
1982-1986  B.Sc. in Physics (Option: Electronics) USTHB, Algiers, Algeria.
Fellowships
1- Algerian Government Scholarship for Master in Physics (1987).
2- The Edward G. Weston (Laureate, 1st) 1994 Summer Fellowship of The Electrochem Society, USA
3-Alexander Von Humboldt Fellowship for postdoctoral position in Germany 1995.
Consultancy
2008-2010, Hiring Committee in King Abdullah Institute for Nanotechnology,
Work History:
2012-present  Associate professor at King Saud University, Department of Optometry.
2001-2012     Assistant professor at King Saud University, Department of Optometry.
2000- 2001   Assistant professor at King Saud University, Department of Biomedical Technology.
1999-2000    Assistant professor at Riyadh College of Technology,
1998-1999   Postdoct at INRS-Energie, Montreal, Quebec,  Canada
1996-1998   Postdoct at Würzburg University, Germany. (under Alexander V.  Humboldt fellowship
Courses Taught:

  • Geometrical Optics
  • Physical Optics
  • Applied Physics
  • Optical Medical Instrumentations
  • Imaging Instrumentations
  • Biostatistics
  • Ophtalmic Dispensing Optics
  • Etc…

 
Research grants
1-  PI in Awarded research grant money of 'SR1.4 million' from 'National Plan for Sci and
 Tech', King Saud University, to carry out research on Nanostrcured Organic- Inorganic Solar cell
2-  CO-I of the National Project for Science and Technology of 1,982,000 SR, “Engineering of 
     Semiconductor-Sensitized Nano-structured Solar Cells“
3- CO-I in a one year small research group (150,000  SR) from Deanship of scientific research (DSR)
4- CO-I in  Awarded research grant money of 'SR1.88 million' from 'National Plan for Sciences and
 Tech', King Saud University, to carry out research on Nanostrcured Organic- Inorganic Solar cell
 
 
 
 
 
 
Chapter in a book
 
Prashant V. Kamat, Idriss Bedja, and K. Vinodgopal, “  Photoinduced Charge Transfer Processes in Semiconductor Heterostructures. Capped vs. Coupled Systems” Book Chapter of Fine Particles Science and Technology, NATO ASI Series, Volume 12, 1996, pp 303-316
 
 
Accepted and Submitted articles
 
1-  Hammad Cheemaa,  Ashraful Islam, Idriss Bedja, Ravindra Kumar Gupta, Liyuan Han, Ahmed El-Shafeia “Stable and Efficient Alternatives of Z-907: Carbazole-Based Amphiphilic Ru (II) Sensitizers for Dye-Sensitized Solar Cells” ready for submission to Journal of Materials Chemistry A, 2014
 
2-  T. Swetha, S. Niveditha, K. Bhanuprakash, Ashraful Islam, Liyuan Han, Idriss M. Bedja, Reza Fallahpour, Surya Prakash Singh “New Heteroleptic Benzimidazole Functionalized Ru-Sensitizer Showing Highest Efficiency for Dye-Sensitized Solar Cells” Accepted for publication to ACS Applied Materials & Interfaces, 2014
 
Published Articles:     (More than 1114 citations on month of March 2010)
 
1-  Maqbool Hussain, Ashraful Islam, Idriss Bedja, Ravindra Kumar Gupta, Liyuan Han, Ahmed El-Shafei “A Comparative Study of Ru (II) Cyclometallated Versus Thiocyanated Heteroleptic Complexes: Thermodynamic Force for Efficient Dye Regeneration in Dye-sensitized Solar Cells and How Low Could it Be?” Online, Accepted for publication now online, DOI: 10.1039/C4CP00907J  in ACS Applied Materials & Interfaces, , 2014
2-  Sanjeeda Chowdhury, Ushio Sumita, Ashraful Islam and Idriss Bedja “Importance of policy for energy system transformation: Diffusion of PV technology in Japan and Germany” Energy Policy, 2014, vol. 68, issue C, pages 285-293
2- Gupta, R. K. and Bedja, I. , “Improved cell efficiency of [poly(ethylene oxide)-succinonitrile]/LiI-I2 solid polymer electrolyte-based dye-sensitized solar cell”  Physica Status solidi. A, 1–4 (2014) / DOI 10.1002/pssa.201330666
3- Gupta, R. K., Bedja, I.  and Aldwayyan, A. S, “Improved performance of silicon nanoparticles film coated dye   sensitized solar cell”  Physica Status solidi (RRL) - Rapid Res. Lett. 6, 11, p 424, 2012
4- Bedja, I. “FeS2 Quantum Dots Sensitized Nanostructured TiO2 Solar Cell: Photoelectro-chemical and Photoinduced Absorption Spectroscopy Studies”, Materials Science-Poland, Vol.(29), No (3), pages 171-176, 2012
5-  Bedja, I. “CdS Sensitized ZnO-Nanorod Photoelectrodes: Photoelectrochemistry and Photoinduced Absorption  Spectroscopy”  Advances in Optoelectronics, Vol 2011, Article ID 915123, 5 pages
6- Bedja, I. and Hagfeldt, A. “Comparative Study between Dye-sensitized and CdS-Quantum Dots-sensitized TiO2 Solar Cells using Photoinduced Absorption Spectroscopy”, Advances in Optoelectronics, Volume 2011, Article ID 424071, 5 pages, doi:10.1155/2011/424071
7- Bedja, I. and Hagfeldt, A. “FeS2-Quantum-dot Sensitized Metal Oxide Photoelectrodes: Photoelectro-chemistry and Photoinduced Absorption Spectroscopy” Advances in Optoelectronics, Volume 2011, Article ID 824927, 6 pages doi:10.1155/2011/824927
8- Bedja, I. “FeS2 Quantum Dots Sensitized Nanostructured SnO2 Solar Cell: Photoelectrochemical and Photoinduced Absorption Spectroscopy Studies”, Egypt. J. Solids, Vol. (33), No. (1), (2010) p-19
9- Bedja, I. “Photoinduced Absorption Spectroscopy as a Tool in the Study of Electron Injection and Recombination in CdS QD Sensitized ZnO Solar Cell” Egypt. J. Solids, Vol. 33, No. 2, (2010) p-201

10  Santerre, F; Bedja, I; Dodelet, JP, et al Hole transport molecules in high T-g polymers: Their effect on  
        the performance of organic  Light emitting diodes  Chemistry Of Materials   Volume: 13   Issue: 5    
        Pages: 1739-1745   Published: MAY 2001 Times Cited: 18
  1. Czekelius, C; Hilgendorff, M; Spanhel, L, Bedja, I et al.”A simple colloidal route to nanocrystalline ZnO/CuInS2 bilayer”s Advanced Materials   Volume: 11   Issue: 8   Pages: 643-+   Published: 1999
    Article Number: ISSN 0935-9648 Article Number: ISSN 0935-9648 , Times Cited: 37
  1. Bedja, I; Hotchandani, S; Kamat, PV “Photosensitization of composite metal oxide semiconductor films “ Berichte Der Bunsen-Gesellschaft-Physical Chemistry Chemical Physics   Vol: 101   Issue: 11   Pages: 1651-1653   Published: NOV 1997  Times Cited: 7 
  1.  Bedja, I; Kamat, PV; Hua, X, et al “Photosensitization of nanocrystalline ZnO films by bis(2,2'-bipyridine)(2,2'-bipyridine-4,4'-dicarboxylic acid)ruthenium(II)”  LANGMUIR   Volume: 13   Issue: 8   Pages: 2398-2403   Published: APR 16 1997 Times Cited: 61
  1.  Bedja, I; Kamat, PV; Hotchandani, S “Fluorescence and photoelectrochemical behavior of chlorophyll a adsorbed on a  nanocrystalline SnO2 film “Journal Of Applied Physics   Volume: 80   Issue: 8   Pages: 4637-4643    1996 ,  Cited: 26
  1. Vinodgopal, K; Bedja, I; Kamat, PV  “Nanostructured semiconductor films for photocatalysis. Photoelectrochemical behavior of SnO2/TiO2 composite systems and its role in photocatalytic degradation of a textile azo dye” Chemistry Of Materials   Vol: 8   Issue: 8   Pages: 2180-2187    1996, Cited: 137
  1. :Kamat, PV; Bedja, I; Nasr, C, et al.”Revealing the mysteries of nanocrystalline semiconductor thin film based photoelectrochemical solar cells.”Abstracts Of Papers Of The American Chemical Society   Volume: 211   Pages: 137-Phys   Part: 2   Published: Mar 24 1996 -
  1. Kamat, PV; Bedja, I; Hotchandani, S, et al” Photosensitization of nanocrystalline semiconductor films. Modulation of electron transfer between excited ruthenium complex and SnO2 nanocrystallites with an externally applied bias “ Journal Of Physical Chemistry   Volume: 100   Issue: 12   Pages: 4900, 1996 , Article Number: ISSN 0022-3654 Article Number: ISSN 0022-3654  Times Cited: 117
  1. Bedja, I; Hotchandani, S; Kamat, PV  “Transient absorption spectroscopy of nanostructured semiconductor films at controlled potentials. An in situ spectroelectrochemical investigation of the photosensitization process “Journal Of Electroanalytical Chemistry   Volume: 401   Issue: 1-2   Pages: 237-241   Published: JAN 24 1996, Times Cited: 5
  1. Vinodgopal, K; Bedja, I; Kamat, Pv “Degradation Of Textile Azo-Dye By Electrochemically Assisted Photocatalysis “ Abstracts Of Papers Of The American Chemical Society   Volume: 210   Pages: 150-ENVR   Part: 1   Published: AUG 20 1995 Times Cited: 1
  1. Das, S; Thomas, Kg; Thomas, Kj, Bedja, I et al “Crown-Ether Derivatives Of Squaraine - New Near-Infrared-Absorbing, Redox-Active Fluoroionophores For Alkali-Metal Recognition”
    Analytical Proceedings   Volume: 32   Issue: 6   Pages: 213-215    1995 Times Cited: 13
  1. BEDJA, I; KAMAT, PV “Capped Semiconductor Colloids - Synthesis And Photoelectrochemical Behavior Of Tio2-Capped Sno2 Nanocrystallites”  Journal Of Physical Chemistry   Volume: 99   Issue: 22   Pages: 9182-9188   Published: JUN 1 1995 Times Cited: 129
  1. Kamat, Pv; Bedja, I; Hotchandani, S “Photoinduced Charge-Transfer Between Carbon And Semiconductor Clusters - One-Electron Reduction Of C-60 In Colloidal Tio2 Semiconductor Suspensions : Journal Of Physical Chemistry   Volume: 98   Issue: 37   Pages: 9137-9142    15 1994   Times Cited: 62
  1. Bedja, I; Hotchandani, S; Carpentier, R, et al “Electrochromic And Photoelectrochemical Behavior Of Thin Wo3 Films Prepared From Quantized Colloidal Particles “ Thin Solid Films   Volume: 247   Issue: 2   Pages: 195-200    1994  Times Cited: 351
  1. Vinodgopal, K; Bedja, I; Hotchandani, S, et al.A Photocatalytic Approach For The Reductive Decolorization Of Textile Azo Dyes In Colloidal Semiconductor Suspensions  LANGMUIR   Volume: 10   Issue: 6   Pages: 1767-1771    1994 Times Cited: 88
  1. Bedja, I; Hotchandani, S; Carpentier, R, et al Chlorophyll-B-Modified Nanocrystalline Sno2 Semiconductor Thin-Film As A Photosensitive Electrode   Journal Of Applied Physics   Volume: 75   Issue: 10   Pages: 5444-5446   Part: 1   Published: MAY 15 1994    Times Cited: 45
  1.  Bedja, I; Hotchandani, S; Kamat, Pv Preparation And Photoelectrochemical Characterization Of Thin Sno(2) Nanocrystalline Semiconductor-Films And Their Sensitization With Bis(2,2'-Bipyridine)(2,2'-Bipyridine-4,4'-Dicarboxylic Acid)Ruthenium(Ii) Complex  : Journal Of Physical Chemistry   Volume: 98   Issue: 15   Pages: 4133-4140   Published: APR 14 1994   Times Cited: 185
  1. Bedja, I; Hotchandani, S; Kamat, Pv Naked And Surface-Modified Thin Sno2 Semiconductor Colloid Films For The Photoelectrochemical Conversion Of Light Energy Abstracts Of Papers Of The American Chemical Society   Volume: 207   Pages: 52-BTEC   Part: 2    1994  Times Cited:
  1. Hotchandani, S; Bedja, I; Fessenden, Rw, Et Al.Electrochromic And Photoelectrochromic Behavior Of Thin Wo3 Films Prepared From Quantum-Size Colloidal Particles Langmuir   Volume: 10   Issue: 1   Pages: 17-22   Published: JAN 1994 Times Cited: 51
  1. Bedja, I; Hotchandani, S; Kamat, Pv Photoelectrochemistry Of Quantized Wo3 Colloids - Electron  

     Storage, Electrochromic, And Photoelectrochromic Effects   Journal Of Physical Chemistry      
     Volume: 97   Issue: 42   Pages: 11064-11070   Published: OCT 21 1993  Cited: 97

  1. Kamat, Pv;  Bedja, I; Hotchandani, S Photoinduced Charge Transfer Between Fullerenes And

    Tio2 Semiconductor Colloids.    Recent Advances In The Chemistry And Physics Of Fullerenes And   
    Related Materials. Ed. K. M. Kadish And R.S. Ruoff Pennington, New Jersey, The Electrochemical
    Society. Pages: 964-975  Published: 1994

 

Some Papers Presented At Conferences  (21 Conferences) 

  1. Bedja, I., “Can Nanotechnology Help Meet the Clean Energy Challenge? " Invited for presentation at  The 3rd Asia-Arab Sustainable Energy Forum & the 5th Int. Workshop on SSB, May 6-8, 2013, Hirosaki, Japan
  2. Bedja, I., “Nanotechnology and our Energy Challenge”, Invited for presentation at  9èmes Journees Scientifiques Et Techniques, 08 au 10 avril 2013, Centre des Conventions d’Oran, Algérie
  3. Bedja, I., “Can We address the Clean Energy Challenge with Nanotechnology?" Invited for plenary presentation at  Second International Conference on Energy and SustainableDevleopment, ICESD2013, 19-20 February 2013, Adrar, Algeria
  4. Bedja, I., and Hagfeldt, A., “Comparative Study between Dye- and CdS-QD-sensitized TiO2 Solar Cells using Photoinduced Absorption Spectroscopy presented at the 19th International Conference on the Conversion and Storage of Solar Energy, July 29, Aug 3, 2012, Pasadena, USA,          
  5. Bedja, I.; Boshloo, G. and Hagfeldt, A." FeS2-Quantum-dot Coated Metal Oxide Photoelectrodes: Photoelectrochemistry and Photoinduced Absorption Spectroscopy   " Presented at 18th Int Conf on Photochemical Conversion and Storage of Solar Energy (IPS-18). Jul 25-30, 2010, Korea