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Advances in Materials Science and Engineering
Volume 2015, Article ID 702815, 8 pages
http://dx.doi.org/10.1155/2015/702815
Research Article

Role of Metals Content in Spinach in Enhancing the Conductivity and Optical Band Gap of Chitosan Films

1School of Materials Engineering, Universiti Malaysia Perlis, 01000 Kangar, Perlis, Malaysia
2Physics Department, Faculty of Mathematic and Natural Science, University of Sumatera Utara, Medan, Sumatera Utara 20155, Indonesia

Received 19 October 2014; Accepted 26 February 2015

Academic Editor: Yiping Qiu

Copyright © 2015 Irwana Nainggolan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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