What is it about?
We demonstrate the differential detection of UV-A (ultra-violet 320 - 400 nm region) and UV-C (100 - 280 nm) using porous 2-dimensional (2D) Nb2O5 and additional Ag nano-particles decoration.
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Why is it important?
The 2D Nb2O5 which has band-absorption edge near UV-A zone were synthesized by thermodynamic conversion of 2D material NbSe2 (Nb2O5 has lower Gibbs formation energy than NbSe2). For the differential detection (to distinguish with UV-C absorption), we decorated the Ag nano-particles on the Nb2O5 surface.
Perspectives
By coating Ag nano-particles, we can expect the i) decrease the area of light absorption by Ag coated area ii) increase of surface plasmon absorption by Ag nano-particles especially UV-A region, result in strong intensity ratio change UV-A/UV-C.
Dr. Sitansu Sekhar Nanda
Myongji University
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This page is a summary of: Designed growth of porous 2-dimensional Nb2O5 with Ag nanoparticles for differential detection of UV-A and UV-C, Nanotechnology, April 2020, Institute of Physics Publishing,
DOI: 10.1088/1361-6528/ab8c7a.
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