Optoelectronics Letters, Volume. 16, Issue 4, 241(2020)

Synthesis of PbS:ZnO nanotrees by thermal evaporation: morphological, structural and optical properties

Abdallah Bassam*, Kakhia Mahmoud, Alsabagh Mohammad, Tello Ahmad, and Kewan Fadwa
Author Affiliations
  • Department of Physics, Atomic Energy Commission, Damascus P.O. Box 6091, Syria
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    Nanotrees ZnO films are synthesized by thermal evaporation method on silicon and glass substrates. PbS powder (5 wt%) is used to obtain the nanostructure and growth modifications. ZnO films are compared with non-doped ones (ZnO film was dense structure without nanotrees). The deposited PbS:ZnO films exhibit polycrystalline orientation using X-ray diffraction (XRD), but the films without doping was less crystalline quality. Scanning electron microscopy (SEM) and atomic force microscopy (AFM) were used to characterize the morphology. SEM images (surface and cross section) was confirmed the nanotrees form for doped ZnO film. Energy dispersive X-ray detector (EDX) was used to verify the composition of prepared films. Ultraviolet-visible (UV-Vis), photoluminescence (PL) and micro Raman techniques were used to investigate the optical properties. The PL spectra intensities were found to increase for PbS:ZnO nanotrees. Up to our knowledge, no work has been published regarding the obtained ZnO nanotrees using PbS as dopant via simple thermal evaporation method.

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    Bassam Abdallah, Mahmoud Kakhia, Mohammad Alsabagh, Ahmad Tello, Fadwa Kewan. Synthesis of PbS:ZnO nanotrees by thermal evaporation: morphological, structural and optical properties[J]. Optoelectronics Letters, 2020, 16(4): 241

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    Paper Information

    Received: Jul. 2, 2019

    Accepted: Aug. 26, 2019

    Published Online: Dec. 25, 2020

    The Author Email: Abdallah Bassam (pscientific27@aec.org.sy)

    DOI:10.1007/s11801-020-9107-0

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