Synthesis of 1,2,4-azadiphosphole derivatives based on vanadium-catalyzed [2+2+1] cycloaddition reactions of azobenzenes with phosphaalkynes
Sign Up to like & getrecommendations! Published in 2020 at "RSC Advances"
DOI: 10.1039/d0ra02503h
Abstract: A new synthetic method is described to construct 1,2,4-azadiphosphole derivatives based on vanadium-catalyzed [2+2+1] cycloaddition reactions. Reactions of azobenzenes as nitrogen sources with phosphaalkynes as phosphorous counterparts in the presence of VCl2(thf)2 as a catalyst… read more here.
Keywords: azadiphosphole derivatives; cycloaddition reactions; based vanadium; catalyzed cycloaddition ... See more keywords
Relaxation oscillations in circuits containing sandwich switches based on vanadium dioxide
Sign Up to like & getrecommendations! Published in 2017 at "Phase Transitions"
DOI: 10.1080/01411594.2016.1201818
Abstract: ABSTRACT Electrical switching with an S-shaped I–V characteristic is studied in metal/oxide/metal structures based on vanadium oxide thin films fabricated by electrochemical oxidation. This switching effect is associated with the metal–insulator phase transition in VO2,… read more here.
Keywords: based vanadium; relaxation oscillations; oscillations circuits; vanadium dioxide ... See more keywords
Controllable multi-focal terahertz metalens based on vanadium dioxide
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2025.2564288
Abstract: We designed a C-shaped ring metalens featuring dynamically switchable focal points, based on vanadium dioxide. The metalens is segmented into inner and outer rings, utilizing the phase change properties of vanadium dioxide to enable different… read more here.
Keywords: multi focal; vanadium dioxide; vanadium; based vanadium ... See more keywords
Multi-band tunable terahertz bandpass filter based on vanadium dioxide hybrid metamaterial
Sign Up to like & getrecommendations! Published in 2019 at "Materials Research Express"
DOI: 10.1088/2053-1591/ab0392
Abstract: A multi-band terahertz (THz) bandpass filter based on vanadium dioxide (VO2) hybrid metamaterial is experimentally demonstrated. From bottom to top of the filter, they are 650 nm-thick high resistance silicon substrate, 100 nm-thick Silicon nitride,… read more here.
Keywords: filter based; bandpass filter; filter; multi band ... See more keywords
Tunable wideband-narrowband switchable absorber based on vanadium dioxide and graphene.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.476296
Abstract: A functionally tunable and absorption-tunable terahertz (THz) metamaterial absorber based on vanadium dioxide (VO2) and graphene is proposed and verified numerically. Based on phase transition properties of VO2 and tunability of graphene, the switching performance… read more here.
Keywords: graphene; based vanadium; vanadium dioxide; absorption ... See more keywords
Novel MOF-based vanadium and 2,2 -bipyridine-4,4 -dicarboxylic acid as phenomenal dye adsorbent and antimicrobial agent
Sign Up to like & getrecommendations! Published in 2025 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2025.1524683
Abstract: In this study, a new MOF (metal-organic framework) based on vanadium and 2,2-bipyridine-4,4-dicarboxylic acid (V/BP-MOF) was synthesized. Synthesized V/BP-MOF was introduced as a strong adsorbent of Congo Red (CR) and an effective agent in eliminating… read more here.
Keywords: vanadium bipyridine; agent; bipyridine dicarboxylic; based vanadium ... See more keywords