Piyaporn Jaimeewong 1, 2, Xiaotong Wang 3, Zenghui Liu 3, ZuO-Guang Ye 3, Anucha Watcharapasorn 1, 4
1 Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand 50200, Chiang Mai, Thailand, 2 The Graduate school, Chiang Mai University, 239 Huaykeaw Road, Suthep, Chiang Mai, Thailand 50200, Chiang Mai, Thailand, 3 Department of Chemistry and 4D LABS, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6, British Columbia, Canada, 4 Materials Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand 50200, Chiang Mai, Thailand