1. Department of Chemistry, School of Science, Walailak University , Tha Sala , Nakhon Si Thammarat, 80160 , Thailand
2. Nuclear Technology Research and Development Center, Thailand Institute of Nuclear Technology (Public Organization) , Saimoon, Ongkarak , Nakhon Nayok, 26120 , Thailand
3. National Nanotechnology Center , 111 Thailand Science Park, Paholyothin Rd., Klong 1 , Klong Luang , Pathumthani, 12120 , Thailand