Journal of Materials Science: Materials in Electronics

, Volume 26, Issue 9, pp 6897–6906 | Cite as

Synthesis, characterization and photoelectrochemical properties of PbS sensitized vertically aligned ZnO nanorods: modified aqueous route

  • Kishorkumar V. Khot
  • Sawanta S. Mali
  • Rahul M. Mane
  • Pramod S. Patil
  • Chang Kook Hong
  • Jin Hyeok Kim
  • Jaeyeong Heo
  • Popatrao N. Bhosale


In the present investigation, cost-effective, simple and the modified aqueous chemical route was employed for development of PbS/ZnO heterogeneous thin films on the soda lime and fluorine doped tin oxide (FTO) glass substrates. The synthesized thin films were further characterized by UV–Vis spectrophotometer, X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM) and X-ray photoelectron microscopy (XPS) for their optical, structural, morphological and compositional study. An optical absorption study indicated a direct allowed type of transition. The XRD patterns confirmed that, films were of well crystalline nature. FESEM micrographs illustrated that bare ZnO thin film has been well aligned vertically grown hexagonal nanorods having 3.3 µm length and ~100 nm diameters. PbS deposited by using successive ionic layer adsorption and reaction method formed compact interlinked smaller sized nanospheres, which can be beneficial for effective sensitization of microstructures. An XPS study showed synthesis of well composed thin films. PEC study highlighted that PbS/ZnO thin films open a new way for effective light harvesting.


Field Emission Scanning Electron Microscopy HMTA Field Emission Scanning Electron Microscopy Micrographs Hexagonal Nanorods Effective Light Absorption 
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One of the authors, Mr. Kishorkumar V. Khot is very much thankful to Department of Science and Technology (DST), New Delhi for providing DST-INSPIRE fellowship for financial support (Registration No. IF130751). This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2009-0094055).


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Kishorkumar V. Khot
    • 1
  • Sawanta S. Mali
    • 2
  • Rahul M. Mane
    • 1
  • Pramod S. Patil
    • 3
  • Chang Kook Hong
    • 2
  • Jin Hyeok Kim
    • 4
  • Jaeyeong Heo
    • 5
  • Popatrao N. Bhosale
    • 1
  1. 1.Materials Research Laboratory, Department of ChemistryShivaji UniversityKolhapurIndia
  2. 2.Polymer Energy Materials Laboratory, Department of Advanced Chemical EngineeringChonnam National UniversityGwangjuSouth Korea
  3. 3.Thin Film Materials Laboratory, Department of PhysicsShivaji UniversityKolhapurIndia
  4. 4.Photonic and Electronic Thin Film Laboratory, Department of Materials Science and EngineeringChonnam National UniversityGwangjuSouth Korea
  5. 5.Department of Materials Science and Engineering, and Optoelectronics Convergence Research CenterChonnam National UniversityGwangjuSouth Korea

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