Core–shell cermet condensates by pulsed-laser ablation on Zn in TEOS

  • Bo-Cheng Lin
  • Pouyan Shen
  • Shuei-Yuan Chen
Research Paper


Spherical cermet condensates with metallic Zn core and specific shell types, both having significant internal compressive stress, were fabricated by pulsed-laser ablation on Zn target in TEOS for X-ray/electron diffraction and spectroscopic characterizations. The nanosized Zn cores have 1-D commensurate (0001) superstructure and wurtzite-type ZnO shell following almost parallel epitaxy relationship, i.e., basal planes exactly in parallel but others slightly off, across a semicoherent interface. The submicron-sized Zn condensates were free of superstructure and encapsulated by a Si–H-signified turbostratic graphite shell. The defective cermet condensates thus fabricated showed UV–Vis photoemission and absorption with a minimum band gap of 1.95 eV for potential optoelectronic and catalytic applications.


Core–shell Cermet Nanocondensates Pulsed-laser ablation in liquid TEOS Synthesis 



We thank Miss S.Y. Shih for the help on XPS analysis and anonymous referees for constructive comments. This work was supported by the Center for Nanoscience and Nanotechnology at NSYSU and the National Science Council, Taiwan, ROC.

Supplementary material

11051_2014_2444_MOESM1_ESM.doc (294 kb)
Supplementary material 1 (DOC 294 kb)


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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  1. 1.Department of Materials and Optoelectronic ScienceNational Sun Yat-sen UniversityKaohsiungTaiwan, ROC
  2. 2.Department of Mechanical and Automation EngineeringI-Shou UniversityKaohsiungTaiwan, ROC

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