Laser-induced photodynamic effects at silica nanocomposite based on cadmium sulphide quantum dots | Zendy

S. S. Voznesenskiy | Zendy; A. A. Sergeev | Zendy; A. N. Galkina | Zendy; Yu. N. Kulchin | Zendy; Yu. A. Shchipunov | Zendy; Irina Postnova | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Laser-induced photodynamic effects at silica nanocomposite based on cadmium sulphide quantum dots

Author(s) -

S. S. Voznesenskiy,

A. A. Sergeev,

A. N. Galkina,

Yu. N. Kulchin,

Yu. A. Shchipunov,

Irina Postnova

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.002105

Subject(s) - nanocomposite , materials science , quantum dot , laser , luminescence , cadmium sulfide , absorption (acoustics) , optics , nanoparticle , optoelectronics , nanotechnology , composite material , physics , metallurgy

In this paper we study the laser-induced modification of optical properties of nanocomposite based on cadmium sulphide quantum dots encapsulated into thiomalic acid shell which were embedded into a porous silica matrix. We found red shift of luminescence of the nanocomposite when exposed to laser radiation at λ = 405 nm. Using pump-probe method and Small-Angle X-ray Scattering technique it was found that laser radiation at λ = 405 nm also increases the absorption coefficient of the nanocomposite in 15 times due to agglomeration of quantum dots. The modification of absorption properties is fully reversible.

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research