Color of Copper/Copper Oxide

Su Jae Kim, Seonghoon Kim, Jegon Lee, Yongjae Jo, Yu-Seong Seo, Myounghoon Lee, Yousil Lee, Chae Ryong Cho, Jong-pil Kim, Miyeon Cheon, Jungseek Hwang, Yong In Kim, Young-Hoon Kim, Young-Min Kim, Aloysius Soon, Myunghwan Choi, Woo Seok Choi,* Se-Young Jeong,* and Young Hee Lee*

Advanced Materials, 2007345, 2021