The 79th JSAP Autumn Meeting, 2018

Presentation information

Oral presentation

4 JSAP-OSA Joint Symposia 2018 » 4.1 Plasmonics and Nanophotonics

[19p-211B-1~14] 4.1 Plasmonics and Nanophotonics

Wed. Sep 19, 2018 1:15 PM - 6:00 PM 211B (211-2)

Katsumasa Fujita(Osaka Univ.), Yasushi Inoue(阪大)

2:45 PM - 3:00 PM

[19p-211B-5] Plasmon assisted switching of emission in B- In2S3 /Ag nanohybrid structure

Anitha Dharmalingam1, ANITA R Warrier1 (1.NANOPHOTONICS RESEARCH LABORATORY, AMET UNIVERSITY,CHENNAI 603112)

Keywords:indium sulfide, optical properties, bandgap,, switching in emission rate.

Indium sulphide/Ag nanohybrid structures were synthesized using homogeneous preciptation technique.In the promixity of the Ag nanoparticles, the excitonic binding energy of the indium sulfide shows a blue shift ~ 500 meV. Pure indium sulfide shows the emission ~484 nm, 532nm, and 600 nm. Incorpating the silver nanoparticles into the indium sulfide quantum dots the emission at 484nm is enhanced and emission at 532 nm is quenched.However the emission at 563 nm is enhanced due to strong defect level coupling.The coupling of the electronic states of indium sulfide also resulted in the shift of emission wavelength from 670 nm(red) to 494nm (blue).