title: Bandgap Control via Structural and Chemical Tuning of Transition Metal Perovskite Chalcogenides.
abstract: Transition metal perovskite chalcogenides are a new class of versatile semiconductors with high absorption coefficient and luminescence efficiency. Polycrystalline materials synthesized by an iodine-catalyzed solid-state reaction show distinctive optical colors and tunable bandgaps across the visible range in photoluminescence, with one of the materials' external efficiency approaching the level of single-crystal InP and CdSe.
authors.affiliation: Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, 925 Bloom Walk, HED 216, Los Angeles, CA, 90089, USA.
authors.forename: Shanyuan
authors.initials: S
authors.lastname: Niu
authors.affiliation: Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, 925 Bloom Walk, HED 216, Los Angeles, CA, 90089, USA.
authors.forename: Huaixun
authors.initials: H
authors.lastname: Huyan
authors.affiliation: Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, 925 Bloom Walk, HED 216, Los Angeles, CA, 90089, USA.
authors.forename: Yang
authors.initials: Y
authors.lastname: Liu
authors.affiliation: Ming Hsieh Department of Electrical Engineering, University of Southern California, 3740 McClintock Avenue, EEB 102, Los Angeles, CA, 90089, USA.
authors.forename: Matthew
authors.initials: M
authors.lastname: Yeung
authors.affiliation: Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, 925 Bloom Walk, HED 216, Los Angeles, CA, 90089, USA.
authors.forename: Kevin
authors.initials: K
authors.lastname: Ye
authors.affiliation: Ming Hsieh Department of Electrical Engineering, University of Southern California, 3740 McClintock Avenue, EEB 102, Los Angeles, CA, 90089, USA.
authors.forename: Louis
authors.initials: L
authors.lastname: Blankemeier
authors.affiliation: Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, 925 Bloom Walk, HED 216, Los Angeles, CA, 90089, USA.
authors.forename: Thomas
authors.initials: T
authors.lastname: Orvis
authors.affiliation: Ming Hsieh Department of Electrical Engineering, University of Southern California, 3740 McClintock Avenue, EEB 102, Los Angeles, CA, 90089, USA.
authors.forename: Debarghya
authors.initials: D
authors.lastname: Sarkar
authors.affiliation: Department of Physics and Astronomy, University of Missouri, Columbia, MO, 65211-7010, USA.
authors.forename: David J
authors.initials: DJ
authors.lastname: Singh
authors.affiliation: Ming Hsieh Department of Electrical Engineering, University of Southern California, 3740 McClintock Avenue, EEB 102, Los Angeles, CA, 90089, USA.
authors.forename: Rehan
authors.initials: R
authors.lastname: Kapadia
authors.affiliation: Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, 925 Bloom Walk, HED 216, Los Angeles, CA, 90089, USA.
authors.forename: Jayakanth
authors.initials: J
authors.lastname: Ravichandran
keywords: bandgap tunability; high absorption coefficients; quantitative photoluminescence; semiconductors; transition metal perovskite chalcogenides