Sökning: WFRF:(He Sailing) >
Upconversion enhanc...
Upconversion enhancement by a dual-resonance all-dielectric metasurface
-
- Gong, Chensheng (författare)
- Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Ctr Opt & Electromagnet Res, East Bldg 5,Zijingang Campus, Hangzhou 310058, Zhejiang, Peoples R China.
-
- Liu, Wen (författare)
- Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Ctr Opt & Electromagnet Res, East Bldg 5,Zijingang Campus, Hangzhou 310058, Zhejiang, Peoples R China.
-
- He, Nan (författare)
- Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Ctr Opt & Electromagnet Res, East Bldg 5,Zijingang Campus, Hangzhou 310058, Zhejiang, Peoples R China.
-
visa fler...
-
- Dong, Hongguang (författare)
- Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Ctr Opt & Electromagnet Res, East Bldg 5,Zijingang Campus, Hangzhou 310058, Zhejiang, Peoples R China.
-
- Jin, Yi (författare)
- Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Ctr Opt & Electromagnet Res, East Bldg 5,Zijingang Campus, Hangzhou 310058, Zhejiang, Peoples R China.
-
- He, Sailing (författare)
- KTH,Elektroteknisk teori och konstruktion,Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Ctr Opt & Electromagnet Res, East Bldg 5,Zijingang Campus, Hangzhou 310058, Zhejiang, Peoples R China
-
visa färre...
-
Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Ctr Opt & Electromagnet Res, East Bldg 5,Zijingang Campus, Hangzhou 310058, Zhejiang, Peoples R China Elektroteknisk teori och konstruktion (creator_code:org_t)
- 2019
- 2019
- Engelska.
-
Ingår i: Nanoscale. - : ROYAL SOC CHEMISTRY. - 2040-3364 .- 2040-3372. ; 11:4, s. 1856-1862
- Relaterad länk:
-
https://urn.kb.se/re...
-
visa fler...
-
https://doi.org/10.1...
-
visa färre...
Abstract
Ämnesord
Stäng
- Upconversion nanoparticles (UCNPs) have drawn much attention in the past decade due to their superior physicochemical features and great potential in biomedical and biophotonic studies. However, their low luminescence efficiency often limits their applications. Here, we demonstrated a dual-resonance all-dielectric metasurface to enhance the signals emitted by upconversion nanoparticles (NaYF4:Yb/Tm). An averaged upconversion signal enhancement of around 400 times is detected experimentally. The electric and magnetic dipole resonances of the metasurface are designed to enhance the local excitation field and the quantum efficiency of the upconversion nanoparticles, respectively. Furthermore, the collection efficiency is enhanced due to the directional emission of the UCNPs on the metasurface. Our approach provides a powerful tool to extend the sensing application potential of upconversion nanoparticles.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas