Abdullah S. Aldwayyan received his BSc degree from Physics Department at King Saud University (KSU), his MSc degree in lasers and their applications from Essex University, UK. He has completed hiss PhD degree in “Instabilities of Semiconductor Lasers” from Wales University (Cardiff), UK. He is currently a Professor with Physics and Astronomy department at KSU. His research expertise and interests include fabrication and characterization of photonics devices including LEDs, LASERs and Solar Cells. He worked on the physical properties of new photovoltaic and lasing materials. His research extended to include the study and characterization of optical and lasing properties of novel nano- structured materials and composites. Aldwayyan is author and co-author of more than 90 research papers in peer-reviewed journals, several conference proceedings, patent, and 6 books and chapters both in English and Arabic languages. He has supervised and co-supervised on more than 35 graduate students at KSU. Prof. Aldwayyan is a member of KSU scientific council and he was a member of establishing committee of King Abdullah Institute for Nanotechnology (KAIN). He was the vice dean of college of Science for development and quality and before that he was the chairman of Physics and Astronomy Department at KSU. He is now the supervisor of the photonics laboratory at KAIN/Physics a & Astronomy Dept.
Abdullah S. Al-Dwayyan
Address:  Physics & Astronomy Department,
College of Science,
King Saud University,
Riyadh11451, P.O. Box 2455,
Saudi Arabia .
Tel: 01-4676380
Fax: 01-4673656
Mob: 0505178832

B.Sc. :    Physics, King Saud University, Riyadh, Saudi Arabia.
M. Sc. : Laser Physics, Essex University , U.K.
Ph.D. :  Optoelectronics, University of Wales College of Cardiff (UWCC), U.K.
Employment & Administrative History:
KSU Scientific Council member, representative of the college of science (2018- Now).
- Vice dean for development & quality, College of Science, King Saud University (20014-2018 ).
- Member in the foundation board of King Abdullah Institute for Nanotechnology (2008-2013).
- Head of Nanotechnology Unit/KSU (2008- 2009).
- Head of Physics & Astronomy Dept. College of Science, King Saud University (2004  -2006)
- Professor- Physics Dept. College of Science, King Saud University (2014-  ).
- Associate Professor- Physics Dept. College of Science, King Saud University (2002-2013 ).
- Assistant Professor- Physics Dept. College of Science, King Saud University (1989–2002 ).
Published Papers
A.M. Azzeer., Masilamani, V., Al-Salhi, M.S. and Al-Dwayyan, A.S. “Phase conjugation by stimulated scattering  from organics liquids”.Arabian J. Sci. Eng., , Vol.17, No.2B, pp.245-252, (1992).

2. Al-Dwayyan, A. “Dynamical effects in semiconductor lasers due to optical feedback” ibide,Vol.20,No.4A(1995).

3. Azzeer, A.M., Al-Dwayyan, A.S., Al-Salhi, M.S., Kamal, A.M., and Harith, M.A.“Optical probing of laser- induced shock waves in air”Appl. Phys., (USA),  B63, pp.307-310. (1996).

4. Mashni, M., Al-Dwayyan, A.S., Al-Salhi, M.S., Homidi, K. and Masilamani,V.“Measurement of Non-Radiative  Processes in Dye Solution by Laser Opto Acoustic Method” J of Saudi.Chem.Soc., Vol.4,No.3, pp.327-336 (2000).

5. Al-Dwayyan, A.S., Al-Salhi, M.S., Azzeer, A.M., Redha, M.A. and Harith, M.A. “The low-frequency fluctuation in semiconductor lasers with external cavity at different temperatures”J. King Saud Univ., Vol.12, Science (1), pp.31-39. (2000)

6. A. Al-Dwayyan, Y. Cao, M. Y. A. Raja, and C. X. Wang "Low Frequency  Pulsation in the VCSEL Coupled to a Long External Cavity" IEE Proc.-Optoelectron., Vol148, No. 5/6, pp.251-255 (2001).

7. M. Yasin Akhtar Raja, Abdullah S. Al-Dwayyan, Yang Cao, and Charlie X.Wang "Polarization and Spatial-Mode behavior of Short-Wavelength VCSELs" Optics and Laser Technology, Vol.34, pp.129-134 (2002).

8. A. S. Al-Dwayyan and V. Masilamani “A simple photo acoustic Instrumentation for simultaneous measurement  of radiative and non-radiative processes” Asian J. Phys., Vol.11, No.1, pp.130-136 (2002).

9. M.Yasin Akhtar Raja, Y.Cao,  Guthrie H. Cooper, A. S. Al-Dwayyan.Charlie X. Wang " Polarization and Spectral Properties of Ion-implanted and Oxide-Confined Vertical Cavity Surface-Emitting Lasers" Opt. Eng., Vol. 41, No. 3, pp.704-710 (2002).

10. Masilamani, V. and  A. S. Al-Dwayyan "Evidence of Superexciplex in Dye Molecules" Japanese J. Appl. Phys.Vol. 41, No.9, pp.5801-5804, (2002).

11. A. S. Al-Dwayyan "Measurement of Industrial Noise Level in the Vicinity of Al-Senaeiah District, Riyadh" Egyptian. J. Biophysics,  Vol. 8, No. 1, pp. 43-52 (2002).

12. A. S. Al-Dwayyan "Superexciplex Characteristics in Coumarin460" J Saud.  Chem. Soc., (2002) .

13. Al-Ghamdi, Abdullah S. Aldwayyan, V.Masilamani, T. S. M. Al-Saud and M.S. Al-Salhi"Superexciplex of Coumarin Molecules using Tunable Ti-Sapphire Laser" Japanese J. Appl. Phys., Vol. 42, No.10, pp.4152-4156 (2003).

14. V. Masilamani and A.S. Aldwayyan " Structural and solvent dependence of superexciplex", Spectrochimica Acta Part A: Mol. & Biomol. Spectroscopy. 60, 8-9, pp 2099-2106 (2004).

15. A.S. Aldwayyan and V. Masilamani "Dual Amplified Spontanous Emission as Evidence for Superexciplex from the Dye LD473",  Spectrochimica Acta Part A: Mol. & Biomol. Spectroscopy,60,12, pp 2891- 2895 (2004).

16. A. S.Aldwayyan, H. R. Alqahtani, M. Alsalhi and M.Y. A. Raja; "Characteristics of GaAs/AlGaAs vertical Cavity” Opt. Eng. 43 (9), Pages 2184-2192(2004).

17. K. H. Ibnaouf, V. Masilamani, A. S.Aldwayyan and M.S. Alsalhi;"Dual ASE Spectra from superexiplex TICT States of Dye Molecules" Laser Physics, Vol15, No 9, Pages1-7  (2005).

18. M. Nazirudin Khan, A. S. Aldwayyan, Z. H. Zaidi;"Infrared spectroscopic Analaysis of Chrysene and 1.2- Benzanthracence in Wax films" Chin. Phys. Lett. Vol 23, No. 9, Pages 2407-2410 (2006).

19. M. S Alsalhi, Ali A. Al-Hazmi, V. Masilamani, A. S. Aldwayyan, O. A. Aldaghri, H. S. Alsalhi and F. M. Alothman;"Characterization of Sickle Cell Anemia by Optical Methods", Al-Azhar Bull. Sci. Vol. 17, No. 1(June), Pages 13-24, (2006).

20. A. S. Aldwayyan, R. H. Al-Hothlool, M. S. Alsalhi and M. Y. A. Raja; " Neutron Irradiation Effects on Dynamical Characteristics of Vertical Cavity Surface Emitting Lasers (VCSELs)" Canadian J. Pure & Appl. Sci. Vol2.2, No.3, Pages557-565 (2008).

21. Md. Naziruddin Khan, A. S. Al Dwayyan "Influence of solvent on the physical and lasing properties of dye doped sol gel host” J. Liminescence, (2008)

22. A. S. Al Dwayyan, Md. Naziruddin Khan, A. Al Ghamdi and S. S. Al-Dheyab; "Effect of DCCA on the optical  and lasing properties of dye doped silica gel/ORMOSILS” Canadian J. Pure & Appl. Sci. Vol.2, No.1, Pages221- 226 (2008).

23. A. S. Al Dwayyan, A. M. AL-Dukhayel and , A.m. AZZEER and  A. M. Camal; ” Polarization Instability of  Vertical Cavity Surface Emitting  Lasers” J. King Saud Univ. Vol.21, Science (special issue), Pages 93-101 (2009).

24. Md Naziruddin Khan and AS Al Dwayyan”Neutral benz [A] pyrene and its radical ion in solid films by Infrared  Spectroscopy” Canadian J. Pure &  Appl. Sci. Vol.3, No.2, (2009).

25. Md. Naziruddin Khan, A. S. Al Dwayyan, A. Al Ghamdi andS. S. Al-Dheyab;”Investigation of Photophysical  and lasing Properties of 597  Pyromethene in ORMOSILS” J. King Saud Univ. Vol.21, Science (special  issue), Pages 193-198 (2009).

26 . A.S.Al Dwayyan, Md. Nazziruddin, M. S. Al Salhi,  A. M. Al Dukhail, A. Alghamdi and M. S. Alhoshan  “Properties of luminescent silicon nanocrystallines doped sol gel for laser Applications” J. of Materials Sci. & Eng.3,12, (2009).

27 . M.A. Majeed Khan, M. Wasi Khan, M. S. Alhoshan, M. S. Al Salhi and A.S.Al Dwayyan; “Influences of Pb doping on the structural,  optical  and Electrical properties of nanocomposites Se-Te thin films” J. of Alloys and Compounds, Vol.503, No. 2, (2010).

28 . M.A. Majeed Khan, M. Wasi Khan, M. S. Alhoshan, M. S. Al Salhi and  A.S.Al Dwayyan; “Structural, Optical and Electrical characterization of selenium sulphide nanostructured thin films” Material Letters,Vol.64, No. 17, (2010).

29 . M.A. Majeed Khan, M. Wasi Khan, M. S. Alhoshan, M. S. Al Salhi and A.S.Al Dwayyan; “Influences of Co doping on the structural and optical properties of ZnO nanostructured” Applied Physics A:Materials Science & Processing, Vol. 100, No. 1, (2010).

30 . M.. Nazziruddin A.S.Al Dwayyan, M. S. Al Salhi,and  M. S. Alhoshan “Study on Characteristics of silicon nanocrystals within sol- gel host.” Accepted in J. of Exp. Nanoscience, (2010).

31. Anees A. Ansari, M. s. Alhoshan, M. S. Alsalhi and A.S.Aldwayyan “ Prospects of Nanotechnology in Clinical Immunodiagnostics Sensors” pp. 6535-6581, Vol. 10, No. 7, (2010).

32. Aslam Khan, A.S.Al Dwayyan, M. Alhoshan and M Alsalhi;”Synthesis by insitu chemical oxidative
polymerization and Characterization of polyaniline/iron oxide nanoparticles composite” Poly. Int., 59, (2010).

33. M. S. AlSalhi, M. Atif, A. A. AlObiadi, and A. S. Aldwayyan “Photodynamic Damage Study of HeLa Cell Line Using ALA” Laser Physics Vol. 21 No. 4, (2011).

34. A. Khan, A. M. Eltoni, A Alrokayan, M Alsalhi, M. Alhoshan and A.S.Al Dwayyan; ”Microwave – Assisted Synthesis of Silver  Nanoparticles Using Poly-N-Isopropylacrylamide/Acrylic Acid Microgel Particles” Colloids & Surfaces A: Physicochem. Eng. Aspectsm Vol. 377 (2011).

35. M.A. M. Khan, S. Kumarb, Maqusood Ahameda, S. A. Alrokayana, M.S. Alsalhi, M. Alhoshan and A.S.AlDwayyana; ”Structural and spectresco- pic studies of thin film of silver nanoparticles” Applied Surface Science 257,1060-10612 (2011).

36. M. S. AlSalhi, b, M. Atifa, b, A. A. AlObiadia, and A. S. Aldwayyan; ”Photodynamic Damage (PDD) Study Using Stimulated Raman Scattering” Laser Physics, Vol. 22, No. 1, pp. 1–5.( 2012).

37. A. S. Al Dwayyan; Saif M.H. Qaid, M.A. Majeed Khan and M.S. Al Salhi ”Structural and spectral investigations of Rhodamine (Rh6G) dye-silica core–shell” Optical Materials 34 (2012) 761–768

38. B.A. Al-Asbahi, M.S.Alsalhi, A. S. Aldwayyan, M.H.HajiJumali ”Forster- type energy transfer  mechanisminPF2/6 to MEH-PPV conjugated polymers” Journal of Luminescence 132 ,386–390(2012).

39.  A.S.Al Dwayyan, M. S. Al Salhi,and  M. S. Alhoshan “Syudy on Characteristics of silicon nanocrystals within sol- gel host.”  J. of Exp. Nanoscience Vol. 7, No. 2, (2012).

40. A.S.Aldwayyan , M. Nazziruddin and M. S. Al Salhi” Optical Characterization of Chemically Etched  Nanoporous Silicon Embedded in Sol-Gel Matrix” Journal of Nanomaterials,Vol. 2012.

41. A. Khan, A. M. El-Toni, M Alsalhi, A.S.Aldwayyan and M. Alhoshan ”Preparation of magnetic polyacryloitrile core-shell nanospheres by the miniemulsion polymerization method” Material Letters, Vol.76,(2012),pp141-143.

42. W. A. Farooq, F. N. Al_Mutairi, A. E. M. Khater, A. S. Al_Dwayyan, M. S. AlSalhi, M. Atif  “Elemental Analysis of Fertilizer Using Laser Induced Breakdown Spectroscopy” Optics and Spectroscopy, Vol. 112, No. 6 (2012), , pp. 874–880.

43. M. Naziruddin Khan and A. S. Al_Dwayyan “ Influence on structural and PL property of nanocrystals  silicon doped sol gel matrix” Journal of Optoelectronics and Advanced Materials Vol. 14, No. 5-6, May–June(2012).

44. R. Ramakrishnaiah, W. Aslam Farooq, A. A. Al Kheraif, S.Bin Qasim and A. S. Al_Dwayyan “Laser Induced Breakdown Spectroscopic Analysis of Dental Elastomeric Impression Materials” Middle-East  Journal of  Scientific Research 11 (8): 1003-1008, (2012).

45. Ravindra K. Gupta, A. S. Al_Dwayyan, and Idriss M.Bedja “Improved permomance of silicon nanoparticles film coated dye-sensitized solar cells” Phys. Status Solidi RRL 6, No. 11, 424–426 (2012).

46. I. Warad, A. S. Al_Dwayyan, F. M. Al-Jekhedab, M. Iqbal Choudharyd and S.  Yousuf “ [1,2- Bis(diphenylphosphanyl) ethane 2P,P00] dichloride- palladium(II) dimethyl sulfoxide monosolvate” Acta Cryst. E68, m984-985 (2012 ).            

47. M.S. AlSalhi, M. Atif, A.A. Alobiadi, and A.S. Aldwayyan “A study of the photodynamic effect on cancerous cells” Published online: 11 June (2012 ).

48. M. Kawwama, F. Alharbi, A. Aldwayyan and K. Lebboua; “Morphological study of PLD grown CuO films on SrTiO3, sapphire, quartz and MgO substrates” Applied Surface Science Vol. 258, 24, (2012).

49. K.H. IbnaoufS. PrasadbA.S. AldwayyanMohammad S. Al-SalhiV. Masilamani; “Amplified spontaneous emission spectra from the superexciplex of coumarin 138 Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy Volume 97, November 2012, Pages 1145– 1151.

50. V. Masilamani, M. S. AlSalhi,T. Vijmasi, K.Govindarajan, R. Rai, M. Atif, S. Prasad and A.S. Aldwayyan “Fluorescence spectra of blood and urine for cervical cancer detection” Journal of Biomedical Optics 17(9), 098001(2012)

51. M. Stupca, Munir H. Nayfeh, B. Alhreish, J. Bopari and A. AlDwayyan “Silicon nanoparticle-ZnS nanophosphors for ultraviolet-based white light emitting diode” J. Appl. Phys. 112, 074313 (2012).

52. M.  S. Alsalhi, A. S. Aldwayyan, A. H. M.  Jasas, M. Atif, W. Aslam Farooq “Study of the structural analysis of dye-silica core-shell nanoparticles (DSCSNPs)” High Capacity Optical Networks and Enabling Technologies (HONET),IEEE Xplore (2012).

61. M. S. AISalhl, A. S. Aldwayyan, A. H. M. Jasas, M. Atif, W. Aslam Farooq”Spectroscopic analysis of  dye-silica core-shell nanoparticles (DSCSNPs)” High Capacity Optical Networks and Enabling Technologies (HONET), 2012- 9th International Conference on Date of Conference: 12-14 Dec. 2012 – IEEE Xplore(2012). 

53. M.A. Majeed Khan a, Sushil Kumar, Mansour Alhoshan, A.S. Aldwayyan “Spray pyrolysedCu2ZnSnS4 absorbing layer:A potential candidate for photovoltaic applications” Optics &Laser Technology 49, 196–201 (2013). 
54. A. S. Aldwayyan; Amani Ali; Anees A Ansari; M. S. AlSalhi and M.H. Nayfeh “Effect of environments on optical properties of chemically prepared Si nanoparticles“Advanced Science,Engineering and Medicine Vol. 5, pp. 1–6, (2013 ).

55. M. Naziruddin Khan, A. S. Al Dwayyan, M. Al Hoshan “Morphology and optical properties of a porous silicon- doped sol-gel host “Electron. Mater. Lett., Vol. 9, No. 5, pp. 697-703,(2013).

56. M. Kawwam, F.H. Alharbi, T. Kayed, A. S. Aldwayyan, A. Alyamani , N. Tabet and K. Lebbou 
“Characterization of CuO(111)/MgO(100) Films grown under Two Different PLD Backgrounds” Applied Surface Science 276, 7– 12, (2013).

57. M. Sarfraz, W. A. Farooq, M.  A. Al-Eshaikh, A. N. Kadachi, A. S. Aldwayyan and K. Ahmad; “Analysis of allyl diglycol carbonate by laser induced-breakdown spectroscopy” Laser Phys. 23 (2013).

58. Anees A Ansari, Joselito Labis, A. S. Al Dwayyan and Mahmoud Hezam “Facile synthesis of water-soluble luminescent mesoporousTb(OH)3@SiO2 core-shell nanospheres” Nanoscale Research Letters  (2013).

59. A.S. Aldwayyan, F.M. Al-Jekhedab, M. Al-Noaimi, B. Hammouti, T. B. Hadda, M. Suleiman, I. Warad “Synthesis and Characterization of CdO Nanoparticles Starting from Organometalic Dmphen” Int. J. Electrochem. Sci., 8, 10506 – 10514 (2013).

60. A.S. Aldwayyan, F.M. Al-Jekhedab, M. Al-Noaimi, B. Hammouti, T. B. Hadda, M. Suleiman, I. Warad  “       Dmphen” Int. J.  Electrochem. Sci., 8,10506 – 10514 (2013).

61. K.H. IbnaoufSaradh PrasadA. HamdanM. AlSalhi, A.S. AldwayyanM.B. ZamanV. Masilamani “Photoluminescence spectra of CdSe/ZnS quantum dots in solution” Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 121, 339–345 (2014).

62. M.A. Majeed Khan, Sushil Kumar, M. Naziruddin Khan, Maqusood Ahamed, A. S. Aldwayyan “Microstructure and blueshift in optical band gap of nanocrystalline AlxZn1-xO thin films” Journal of Luminescence 155 275–281(2014).

63.Assem Barakat, Mohammed Suleiman, Belkheir Hammout, T. Ben Hadda, M. Al-Noaimi, S.F. Haddad, A.  Boshaala, A. S. Aldwayyan, Ismail Warad” One Step Synthesis of NiO Nanoparticles via Solid-state Thermal Decomposition at Low-Temperature of Novel Aqua- dmphen-NiCl2 Complex”, Int. J. Mol. Sci. 14, (2013).

64. W. A. Farooq, S. M. Ali, W. Tawfik, A. Fatehmulla, M. Aslam,  A. S.  Aldwayyan, M. S. AlSalhi “Influence of Laser irradiation on nano-sized powder of Metal oxide “ Russian Journal of Physical Chemistry A, 13 (2014).

65. T. M. Al-Inad, W. Tawfik, W. A. Farooq, A. S. Aldwayyan “LIP Characteristics of Nanostructured ZnO Thin Films” IEEE Xplore (2014).

66. M. Naziruddin Khan and A. S. Aldwayyan and and J. Puzon Labis “ Comparative Study on Electronic, Emission, Spontanous Property of Porous Silicon in Different Solvent” J.Nanomaterials (2014).

67. W. A. Farooqa, K. G. Rasoolb, WalidTawfika and A. S. Aldawood, A S Aldwayyana “Application of Laser Induced Breakdown Spectroscopy in early detection of red palm weevil: (Rhynchophorusferrugineus) infestation in date palm” Proc. 8th Int. Con. LIBS. China, Sep (2014).

68. Tahani R. Al-Biladi, A. S. Al Dwayyan, M. Naziruddin Khan, Saif M. H. Qaid, and Khalid Al Zahrani"Structural and Spectroscopic Characterization of PM 597 Dye-Silica Core-Shell Nanoparticles"Journal of Spectroscopy , Article ID 901032, Volume (2015,).

69. H. M. Ghaithan , S. M. Qaid, M. Hezam, M. B. Siddique, I. M. Bedja, A.S Aldwayyan , ”Measurements of electron lifetime and transport time in dye sensitized solar cell by using photovoltage and photocurrent decay” , Hybrid and Organic Photovoltaics Conference (HOPV15), Italy (2015).

70. H. M. Ghaithan , S. M. Qaid, M. Hezam, M. B. Siddique, I. M. Bedja, A.S Aldwayyan , ” Invoking the frequency dependence in square modulated light intensity techniques for the measurement of electron time constants in dye-sensitized solar cells ” SPIE, USA (2015).

71. W. A. Farooq, L. R. AL-Otaibi, A. S. Al-Dwayyan, F. Yakuphanoglu, and M. Atif "Effect of Laser Exposure on Structural and Optical Properties of CdO and Li Doped CdO Nano Structured Thin Film Synthesized by Sol Gel Method" J. Nanoelectronics and Optoelectronics Vol. 11, pp. 1–7 (2016).

72. S. M. H. Qaid , M. S. Al Sobaie, M.A. Majeed Khan, I. M. Bedja, F. H. Alharbi , M. Khaja Nazeeruddin  and A. S. Aldwayyan " Band-gap tuning of lead halide perovskite using a single step spin-coating deposition process " Materials Letters 164, 498–501(2016).

73. N. Arora, M. I. Dar, M. Hazem, W. Tress, G. Jacopin, T. Moehl, P.Gao, A. S. Aldwayyan, D. Benoit, M. Grätzel, and M. K. Nazeeruddin " Photovoltaic and amplified spontaneous emission studies of high quality formamidinium lead bromide films" Adv. Funct. Mater. (2016).

74. Hamid M. Ghaithan, Saif M. H Qaid, Mahmoud Hezam, Joselito P. Labis, A. S. Aldwayyan, Idriss M. Bedja "Laser induced photocurrent and photovoltage transient measurements of dye-sensitized solar cells based on TiO2nanosheets and TiO2 nanoparticles ", Electrochimica Acta 212, 992–997 (2016).

75. Javed Alam,M. Hoshan, , A. Shukla, ldass, M. Ramamoorthy,  M. Hussain and A.Aldwayyan "Atomic Layer Deposition of TiO2 Film on a Polyethersulfone Membrane: Separation Applications", J Polym Res 23:183 (2016).

76. N. Arora, M. I. Dar, M. Hazem, W. Tress, G. Jacopin, T. Moehl, P.Gao, A. S. Aldwayyan, D. Benoit, M. Grätzel, and M. K. Nazeeruddin "Photovoltaic and amplified spontaneous emission studies of high quality formamidinium lead bromide films" Adv. Funct. Mater. 26,17, 2846–2854 (2016).
77.M. Naziruddin Khan, Ali Aldalbahi, A. S. Aldwayyan “Composite rods based on nanoscale porous silicon in sol–gel silica and ormosil matrices for light-emitting applications” Journal of Sol-Gel Science and Technology, Vol. 82 (2017).
78.  Saif M.H. QaidM. Naziruddin KhanAbdulaziz AlqasemMahmoud HezamAbdullah Aldwayyan “A straining effect of film thickness on the behaviour of amplified spontaneous emission from methylammonium lead iodide perovskite”  IET Optoelectronics, Aug. (2018).
79. Saif M.H. Qaid, Mukhtar Hussain, Mahmoud Hezam, M.A. Majeed Khan, Hamad Albrithen, Hamid M. Ghaithan, Abdullah S. Aldwayyan "Structural and Optical Investigation of Brookite TiO­2 Thin Films Grown by Atomic Layer Deposition on Si (111) Substrates" Materials Chemistry and Physics Vol. 225, 55–59, (2019).
80. Bandar Ali Al-Asbahi, Saif M. H. Qaid, Mohammad Hafizuddin Hj. Jumali, Mohamad Saleh AlSalhi, Abdullah S. Aldwayyan "Long-range dipole–dipole energy transfer enhancement via addition of SiO2/TiO2 nanocomposite in PFO/MEH-PPV hybrid thin films" J. APPL. POLYM. SCI. (2019).
81.Mahmoud. Hezam, Saif M.H. Qaid, Idriss Bedja, Fahhad Alharbi, Mohammad Khaja Nazeeruddin and Abdullah Aldwayyan, «Synthesis of Pure Brookite Nanorods in Nonaqueous Growth Environment» Journal of Crystals, 9, p562, 2019.
82. Hamid M.Ghaithan, Zeyad Alahmed, Saif M.H. Qaid and Abdullah Aldwayyan«Computational Investigation of Structural, Folded-Unfolded Band Structure and Optical Properties of inorganic Perovskite». Journal of Crystals, 10, p342, 2020.
83. Bandar Ali Al-Asbahi, Saif M.H. Qaid, Mahmoud Hezam, Idriss Bedja, Hamid M. Ghaithan, Abdullah S. Aldwayyan «Effect of Deposition Method on the Structural and Optical Properties of CH3NH3PbI3 Perovskite Thin Films». Journal of Optical Materials, 103, P 109836, 2020.
84. Hamid M. Ghaithan, Zeyad. A. Alahmed, Saif M.H. Qaid, Mahmoud Hezam, Abdullah S Aldwayyan, «Density functional study of cubic, tetragonal, and orthorhombic CsPbBr3 perovskites» Journal of ACS Omega, 5, P7468−7480, 2020.
85. Hamid M.Ghaithan, Zeyad Alahmed, Saif M.H. Qaid and Abdullah Aldwayyan« First principle-based calculations of the optoelectronic features of 2 x 2 x 2 CsPb(I1-xBrx)3 Perovskite» Journal of Superlattices and Microstructures, 140, P106474, 2020.
86. B.A.Al-Asbahia, Saif M.H. Qaid and Abdullah Aldwayyan«Effect of donor-acceptor concentration ratios on non-radiative energy transfer in Zero-dimensional Cs4PbBr6 perovskite /MEH-PPV nanocomposite thin films» Journal of Polymers, 11, P1-13, 2020.
87. Saif M.H. Qaid, B.A.Al-Asbahia, Hamid M.Ghaithan, M.S.AlSalhi and Abdullah Aldwayyan«Optical and Structural Properties of CsPbBr3 Perovskite Quantum Dots/PFO polymer composite thin films» Journal of Colloid and Interface Science, 563, P426-434, 2020.
88. Bandar Ali Al-Asbahi, Saif M. H. Qaid, Hamid M. Ghaithan, Abdullah S. Aldwayyan « Triplet Energy Transfer Mechanism of Ternary Organic Hybrid Thin Films of PFO/MEH-PPV/CsPbBr3 Perovskite Quantum Dots». Journal of Nanomaterials, 10, p2094, 2020.
89. Saif M.H. Qaid, Fahhad Alharbi, Idriss Bedja, Mohammad Khaja Nazeeruddin and Abdullah Aldwayyan, « Reducing Amplified Spontaneous Emission Threshold in CsPbBr3 Quantum Dot Films by Controlling TiO2 Compact Layer»  Journal of Nanomaterials, 9, p1605, 2020.
90. Saif M. H. Qaid, Hamid M. Ghaithan, Bandar A. Al-Asbahi and Abdullah S. Aldwayyan “Ultra-Stable Polycrystalline CsPbBr3 Perovskite– Polymer Composite Thin Disk for Light-Emitting Applications” Nanomaterials, 10, 2382, 2020

Conferences : Mor than 40 local and international conferences have been attended by A. Aldwayyan.
Graduate Students:
More than 35 grad. students have been supervised and co-supervised by Dr Aldwayyan .


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