Vanadium pentoxide nanoparticles based saturable absorbers

Chitosan capped nickel oxide nanoparticles as a saturable absorber in a tunable passively Q-switched erbium doped fiber laser

“…The size of the nanoparticles are not small enough to adversely affect the saturable absorption characteristics of the SA, leading to relatively typical SA behaviour. 47 This was also demonstrated by Molli et al , 48 who showed similar behaviour in vanadium pentoxide (V 2 O 5 ) nanoparticles.…”

Chitosan-Graft-Sodium Alginate Encapsulated Vanadium Pentoxide (V2 O5 ) Nanocomposite for Adsorption and Antimicrobial Studies

“…The IR bands of V 2 O 5 nanoparticle (Figure 1b), show a broad band ranging from 3600 to 2000 cm -1 which may be attributed to vibrations from absorbed water molecules and hydroxyl groups. The peak at 1123 cm -1 was attributed to V= O stretching vibrations [31] and V-O bonds were attributed to peaks < 1000 cm -1 [32]. J Adv Mater Sci Eng, 2021 In the IR spectrum of V 2 O 5 /Ch-g-SA nanocomposite (Figure 1a), the peak observed at 3246 cm -1 suggested stretching vibration from O-H and N-H bonds.…”