Iranian Polymer Journal

, Volume 28, Issue 11, pp 969–976 | Cite as

Synthesis and characterization of hexagonal boron nitride coating on polyethylene terephthalate

  • Muthuvel SattanathanEmail author
  • Shanmugan Subramani
  • Khairudin Mohamed
  • Mutharasu Devarajan
  • Ramdziah Md Nasir
Original Research


Hexagonal Boron Nitride (h-BN) thin film was deposited on flexible polyethylene terephthalate (PET) substrate using radio frequency (RF) magnetron sputtering system. Ceramic material h-BN was coated at three different thicknesses of 400 nm, 800 nm and 1200 nm on PET surface for a detailed comparative study. A clearer topography of the h-BN-coated surface on PET substrate was imaged using field emission scanning electron microscopy (FESEM) system, where it depicted well-developed grain boundaries. The existence of B–N components was ensured by peaks observed at 1442 and 817 cm−1 using Fourier-transform infrared spectroscopy (FTIR) study. X-ray diffractograms (XRD) confirmed the presence of (100) and (004) oriented BN phases in the prepared thin films. Increase in surface roughness (10.2–55.2 nm) from surface analysis and moderate improvement in thermal conductivity also obtained in this work was evident. Characterization studies support the novelty in the study of the deposition of h-BN thin film on flexible PET substrate with improved surface roughness and thermal conductivity. The conclusion was that BN thin film can be suggested as a potential object as heat spreader in flexible electronics for efficient thermal management devices such as electronic packaging applications.


Boron nitride Polyethylene terephthalate Flexible substrate Thermal management Sputtering 



The author acknowledges the support from the Nano-Optoelectronics Research and Technology (NOR) Laboratory, Thermal Management Research Laboratory (TMRL), School of Physics, USM, Malaysia, The Management of Kalasalingam Academy of Research and Education, India and Mr. S. Udayakumar, post-graduate researcher, School of Materials and Mineral Resources Engineering, USM, Penang, Malaysia.

Supplementary material

13726_2019_757_MOESM1_ESM.doc (5.1 mb)
Supplementary file1 (DOC 5180 kb)


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Copyright information

© Iran Polymer and Petrochemical Institute 2019

Authors and Affiliations

  1. 1.School of Mechanical EngineeringKalasalingam Academy of Research and EducationKrishnankoilIndia
  2. 2.School of PhysicsUniversiti Sains Malaysia (USM)MindenMalaysia
  3. 3.School of Mechanical EngineeringUniversiti Sains MalaysiaNibong TebalMalaysia

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