1. College of Nanotechnology, King Mongkut’s Institute of Technology Ladkrabang, Chalongkrung Road, Ladkrabang, Bangkok 10520, Thailand
2. National Nanotechnology Center (NANOTEC), NSTDA, 111 Thailand Science Park, Paholyothin Road, KlongLuang, Pathum Thani 12120, Thailand
3. National Electronics and Computer Technology Center (NECTEC), NSTDA, 111 Thailand Science
Park, Paholyothin Road, KlongLuang, Pathum
Thani 12120, Thailand