Plasmon Enhanced Direct Bandgap Emissions in Cu7S4 at Au2S at Au Nanorings

Donghwan Yoon; Seokjae Yoo; Kyoung Sik Nam; Hionsuck Baik; Kwangyeol Lee; Q Han Park

doi:10.1002/smll.201602112

Plasmon Enhanced Direct Bandgap Emissions in Cu₇S₄ at Au₂S at Au Nanorings

Donghwan Yoon, Seokjae Yoo, Kyoung Sik Nam, Hionsuck Baik, Kwangyeol Lee, Q Han Park

Research output: Contribution to journal › Article

8 Citations (Scopus)

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 at Au₂S at Au nanorings exhibiting plasmon enhanced emissions at the direct bandgap is reported. The synthesized Cu₇S₄ at Au₂S at Au nanorings show greatly enhanced absorption and emission by local plasmons compared to pure copper sulfide nanoparticles.

Original language	English
Journal	Small
DOIs	https://doi.org/10.1002/smll.201602112
Publication status	Accepted/In press - 2016

Keywords

Cation exchanges
Copper sulfides
Surface plasmons
Templates, nanorings

ASJC Scopus subject areas

Biomaterials
Engineering (miscellaneous)
Biotechnology

Access to Document

10.1002/smll.201602112

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Yoon, D., Yoo, S., Nam, K. S., Baik, H., Lee, K., & Park, Q. H. (Accepted/In press). Plasmon Enhanced Direct Bandgap Emissions in Cu₇S₄ at Au₂S at Au Nanorings. Small. https://doi.org/10.1002/smll.201602112

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AU - Baik, Hionsuck

AU - Lee, Kwangyeol

AU - Park, Q Han

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AB - 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 at Au2S at Au nanorings exhibiting plasmon enhanced emissions at the direct bandgap is reported. The synthesized Cu7S4 at Au2S at Au nanorings show greatly enhanced absorption and emission by local plasmons compared to pure copper sulfide nanoparticles.

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KW - Copper sulfides

KW - Surface plasmons

KW - Templates, nanorings

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