title: Plasmon Enhanced Direct Bandgap Emissions in Cu7S4@Au2S@Au Nanorings.
abstract: Nanostructured copper sulfides, promising earth-abundant p-type semiconductors, have found applications in a wide range of fields due to their versatility, tunable low bandgap, and environmental sustainability. The synthesis of hexagonal Cu7S4@Au2S@Au nanorings exhibiting plasmon enhanced emissions at the direct bandgap is reported. The synthesized Cu7S4@Au2S@Au nanorings show greatly enhanced absorption and emission by local plasmons compared to pure copper sulfide nanoparticles.
authors: Center for Molecular Spectroscopy and Dynamics, Institute for Basic Science (IBS), Seoul, 02841, Korea.|Department of Chemistry, Korea University, Seoul, 02841, Korea.
authors: Donghwan
authors: D
authors: Yoon
authors: Department of Physics, Korea University, Seoul, 02841, Korea.
authors: SeokJae
authors: S
authors: Yoo
authors: Department of Chemistry, Korea University, Seoul, 02841, Korea.
authors: Kyoung Sik
authors: KS
authors: Nam
authors: Korea Basic Science Institute (KBSI), Seoul, 02841, Korea.
authors: Hionsuck
authors: H
authors: Baik
authors: Center for Molecular Spectroscopy and Dynamics, Institute for Basic Science (IBS), Seoul, 02841, Korea. kylee1@korea.ac.kr.|Department of Chemistry, Korea University, Seoul, 02841, Korea. kylee1@korea.ac.kr.
authors: Kwangyeol
authors: K
authors: Lee
authors: Department of Physics, Korea University, Seoul, 02841, Korea. qpark@korea.ac.kr.
authors: Q-Han
authors: QH
authors: Park
keywords: cation exchanges; copper sulfides; surface plasmons; templates, nanorings