Author Affiliations

Zhiqiang Liu,^1,2 Xiaoyan Yi,^1,2 Junxi Wang,^1,2 Jinmin Li,^1,2 Na Lu,³ Ian Ferguson,⁴ and Yong Zhang⁵

¹Research and Development Center for Solid State Lighting, Institute of Semiconductors, Chinese Academy of Science, Beijing, 100086, China

²State Key Laboratory of Solid State Lighting, Beijing, 100086, China

³Lyles School of Civil Engineering, Purdue University, West Lafayette, IN 47907, U.S.A

⁴College of Engineering and Computing, Missouri University of Science and Technology, 305 McNutt Hall, 1400 N. Bishop, Rolla, MO 65409, U.S.A

⁵Department of Electrical and Computer Engineering, The University of North Carolina at Charlotte, 9201 University City Blvd., Charlotte, North Carolina 28223, U.S.A