5 papers
Dimensional Control of Excitonic Interactions in Exfoliated 2D Molecular Crystals
Jonghyun Son, Seonghyun Koo, Daniel Yim +17
Two-dimensional (2D) materials provide unique opportunities to tailor excited-state properties through reduced dimensionality, altered dielectric screening and layer-dependent stru…
Dual-Mode Exciton Coupling in Epitaxially Registered Organic-Inorganic 2D Heterocrystals
Eunbeen Jeon, Kihyun Lee, Jieun Yeon +5
Two-dimensional (2D) heterocrystals comprising molecules and semiconductors can serve as an ideal platform for studying interfacial excitons and for future optoelectronic applicati…
Activated Migration of Localized Ligand-Field Excitons in Atomically Thin CrCl3
Hyesun Kim, Renlong Liu, Sangho Yoon +6
Two-dimensional crystals with densely packed atoms exhibit a range of emerging properties, particularly a wide variety of excitonic behaviors. Thickness-variable layered chromium t…
Ubiquitous Antiparallel Domains in 2D Hexagonal Boron Nitride Uncovered by Interferometric Nonlinear Optical Imaging
Yeri Lee, Juseung Oh, Kyung Yeol Ma +10
Hexagonal boron nitride (hBN) supports a wide range of two-dimensional (2D) technologies, yet assessing its crystalline quality over large areas remains a fundamental challenge. Bo…
Dual-Polarization SHG Interferometry for Imaging Antiparallel Domains and Stacking Angles of 2D Heterocrystals
Juseung Oh, Wontaek Kim, Gyouil Jeong +5
Optical second-harmonic generation (SHG) enables orientational polarimetry for crystallographic analysis and domain imaging of various materials. However, conventional intensity po…