Defect modification in enhancing thermopower factor of ZnO films without doping

Trang Thuy Thi Phan, Oanh Kieu Truong Le, Lan Tuyet Thi Nguyen, Y Nhu Ngoc Duong, My Tra Thi Le, Hoa Thi Lai, Dung Van Hoang, Uyen Tu Thi Doan, Vinh Cao Tran, Thang Bach Phan, Thuy Dieu Thi Ung, Sungkyun Park, Anh Tuan Thanh Pham