DataVXACS Applied Materials & InterfacesPaper
journal article·2020-01-08

Plasmonically Enhanced Upconversion Luminescence via Holographically Formed Silver Nanogratings

Anshi Chu, Huilin He, Zhen Yin, Ruiheng Peng, Hongcheng Yang, Xian Gao, Dan Luo, Rui Chen, Guichuan Xing, Yan Jun Liu

ACS Applied Materials & Interfaces· Volume 12· Issue 1
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Source abstract

Abstract

Greatly enhanced upconversion luminescence was demonstrated by integrating the core–shell upconversion nanorods with the Ag nanogratings. Both the Ag nanogratings and upconversion nanorods were fabricated/synthesized in a facile, cost-effective, high-throughput way. Experimental results showed that the upconversion luminescence intensity of Er3+ in the core–shell upconversion nanorods can be well tuned and enhanced by changing the shell thickness and the period of the Ag nanograting. The underlying physical mechanism for the upconversion luminescence enhancement was attributed to the plasmonically enhanced near infrared broadband absorption of the periodic Ag nanograting and the localized surface plasmon resonance of Ag nanocrystals. The maximum enhanced factors of 523 nm, 544 nm (green emission), and 658 nm (red emission) of Er3+ ions excited at 980 nm are 3.8-, 5.5-, and 4.6-folds, respectively. Our fabrication approach and results suggest that such a simple integration is potentially useful for biosensing/imaging and anti-counterfeiting applications.
Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: Luminescence Properties of Advanced Materials · Luminescence and Fluorescent Materials · Random lasers and scattering media

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

Affiliations

Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), Nanjing 211816, China

Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen 518055, China

Harbin Institute of Technology, Harbin 150001, China

Institute of Applied Physics and Materials Engineering, University of Macau, Macau SAR 999078, China

Funding

Universidade de Macau · Science and Technology Development Fund · Shenzhen Science and Technology Innovation Commission · National Natural Science Foundation of China · Natural Science Foundation of Guangdong Province · Guangdong Innovative and Entrepreneurial Research Team Program

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