Microscale optoelectronic infrared-to-visible upconversion devices and their use as injectable light sources

He Ding, Lihui Lu, Zhao Shi, Dan Wang, Lizhu Li, Xichen Li, Yuqi Ren, Changbo Liu, Dali Cheng, Hoyeon Kim, Noel C. Giebink, Xiaohui Wang, Lan Yin, Lingyun Zhao, Minmin Luo, and Xing Sheng

PNAS. 2018. 115:6632-6637 DOI: 10.1073/pnas.1802064115