journal article·2015-05Open access

Quaternary Alloy Quantum Dots: Toward Low‐Threshold Stimulated Emission and All‐Solution‐Processed Lasers in the Green Region

Yue Wang, Shancheng Yang, Heesun Yang, Handong Sun

Advanced Optical Materials· Volume 3· Issue 5

Abstract

Ultra-low threshold stimulated emission is demonstrated upon both one- and two-photon pumping from quaternary alloyed Cd(1−x)ZnxSe(1−y)Sy/ZnS quantum dots (QDs) in the green region for the first time. Moreover, an all-solution-processed whispering gallery mode laser is produced by coating Cd(1−x)ZnxSe(1−y)Sy/ZnS QDs on a self-assembled hemisphere. These results represent a significant progress in green lasers and hold great potential in addressing the “green gap” challenge.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Quantum Dots Synthesis And Properties · Perovskite Materials and Applications · Chalcogenide Semiconductor Thin Films

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University Singapore 637371 Singapore

Department of Materials Science and Engineering Hongik University Seoul 121–791 South Korea

Centre for Disruptive Photonic Technologies (CDPT) Nanyang Technological University Singapore 637371 Singapore

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