scholarly journals Enhanced nonlinear optical response of graphene-based nanoflake van der Waals heterostructures

RSC Advances ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 5590-5600
Author(s):  
Sumandeep Kaur ◽  
Ravindra Pandey ◽  
Shashi P. Karna

The nonlinear optical properties of van der Waals bilayer heterostructures composed of graphene/h-BN and graphene/phosphorene nanoflakes are investigated using time-dependent density functional theory.

2018 ◽  
Vol 20 (43) ◽  
pp. 27658-27667 ◽  
Author(s):  
Claire Tonnelé ◽  
Benoît Champagne ◽  
Luca Muccioli ◽  
Frédéric Castet

Nonlinear optical properties of Stenhouse photoswitches are computed using time-dependent density functional theory, revealing large variations in the amplitude and symmetry of the second harmonic generation responses.


2017 ◽  
Vol 41 (5) ◽  
pp. 2020-2028 ◽  
Author(s):  
Njemuwa Nwaji ◽  
John Mack ◽  
Jonathan Britton ◽  
Tebello Nyokong

Ball-type phthalocyanines containing heavy central metals show enhanced nonlinear optical behaviour in solution or when embedded in polymer thin films. Time dependent density functional theory (TD-DFT) calculations were used to explain the spectra.


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