2020 Controlling spontaneous emission from perovskite nanocrystals with metal–emitter–metal nanostructures Tjahjana, Liliana; Lee, Kwan; Chin, Xin Yu; Tobing, ‪Landobasa Y. M.; Adhyaksa, Gede W. P.; Zhang, Dao Hua; Muhammad Danang Birowosuto; Wang, Hong