title: Efficient Generation of Long-Lived Triplet Excitons in 2D Hybrid Perovskite.
abstract: Triplet excitons form in quasi-2D hybrid inorganic-organic perovskites and diffuse over 100 nm before radiating with >11% photoluminescence quantum efficiency (PLQE) at low temperatures.
authors.affiliation: Department of Physics, North Carolina State University, Raleigh, NC, 27695-8202, USA.
authors.forename: Robert
authors.initials: R
authors.lastname: Younts
authors.affiliation: Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, 27708-0300, USA.
authors.forename: Hsin-Sheng
authors.initials: HS
authors.lastname: Duan
authors.affiliation: Department of Physics, North Carolina State University, Raleigh, NC, 27695-8202, USA.
authors.forename: Bhoj
authors.initials: B
authors.lastname: Gautam
authors.affiliation: Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, 27708-0300, USA.
authors.forename: Bayrammurad
authors.initials: B
authors.lastname: Saparov
authors.affiliation: Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, 27708-0300, USA.
authors.forename: Jie
authors.initials: J
authors.lastname: Liu
authors.affiliation: Department of Chemistry, North Carolina State University, Raleigh, NC, 27695-8204, USA.
authors.forename: Cedric
authors.initials: C
authors.lastname: Mongin
authors.affiliation: Department of Chemistry, North Carolina State University, Raleigh, NC, 27695-8204, USA.
authors.forename: Felix N
authors.initials: FN
authors.lastname: Castellano
authors.affiliation: Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, 27708-0300, USA.
authors.forename: David B
authors.initials: DB
authors.lastname: Mitzi
authors.affiliation: Department of Physics, North Carolina State University, Raleigh, NC, 27695-8202, USA.
authors.forename: Kenan
authors.initials: K
authors.lastname: Gundogdu
keywords: exciton diffusion; exciton lifetime; hybrid inorganic-organic perovskites; quasi-2D materials; triplet sensitizer