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Structure deformation of indium oxide from nanoparticles into nanostructured polycrystalline films by in situ thermal radiation treatment

Su Kong Chong1, Siti Nur Azieani Azizan1, Kee Wah Chan1, Hong-Quan Nguyen2, Wee Siong Chiu1, Zarina Aspanut1, Chang Fu Dee3 and Saadah Abdul Rahman1*

Author Affiliations

1 Low Dimensional Materials Research Centre, Department of Physics, University of Malaya, Kuala Lumpur 50603, Malaysia

2 Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan

3 Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor 43600, Malaysia

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Nanoscale Research Letters 2013, 8:428  doi:10.1186/1556-276X-8-428

Published: 17 October 2013

Additional files

Additional file 1:

Supplementary information. Figure S1. Schematic diagram and real time photographs of our home-built PA-HWCVD system. Figure S2. Photograph of the In2O3 NPs coated on quartz substrate (a) without, and (b) with thermal radiation treatment in N2O plasma. Figure S3. PL spectra of the untreated In2O3 NPs, thermal radiation treated In2O3 NPs for 7 and 10 minutes. Figure S4. HRTEM micrographs of the In2O3 nanocrystals with different facets ranging from (a) 3, (b) 4 to (c) 5 facets observed in the nanostructured In2O3 films. Figure S5. Tauc plots of (αE)2 against E for the In2O3 NPs and nanostructured In2O3 films. Figure S6. Planar view FESEM images of the In2O3 NPs deposited on quartz substrate (a) without, and (b and c) with thermal radiation treatment.

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