scholarly journals Layer-number dependent and structural defect related optical properties of InSe

RSC Advances ◽  
2017 ◽  
Vol 7 (87) ◽  
pp. 54964-54968 ◽  
Author(s):  
T. Zheng ◽  
Z. T. Wu ◽  
H. Y. Nan ◽  
Y. F. Yu ◽  
A. Zafar ◽  
...  

We present systematic investigations on the layer-dependent optical properties of InSe and modify its excitonic states by electron beam irradiation.

Micron ◽  
2016 ◽  
Vol 88 ◽  
pp. 1-6 ◽  
Author(s):  
Sreedevi A. ◽  
Priyanka K.P. ◽  
Babitha K.K. ◽  
Ganesh S. ◽  
T. Varghese

2017 ◽  
Vol 888 ◽  
pp. 297-303 ◽  
Author(s):  
Cik Rohaida Che Hak ◽  
Siti Salwa Zainal Abidin ◽  
Nur Ubaidah Saidin ◽  
Siti Aishah Ahmad Fuzi ◽  
Yusof Abdullah ◽  
...  

The effect of electron irradiation on structural and optical properties of TiO2 particles has been studied. The crystallinity change was observed at low dose irradiation (4-20 kGy) while phase transformation from pure anatase to mixture of anatase-rutile was inevitable after 100 kGy without significant change in crystallinity. The highest fraction of rutile:anatase ratio was 20:80 obtained at 700 kGy. Morphology study demonstrated that TiO2 particles were spherical, nano-sized and heavily agglomerated with no obvious microstructural changes were observed after irradiation. The direct and indirect band gap (Eg) showed a decrement at low dose but re-increased after irradiation at >100 kGy. The highest Eg was at 700 kGy which can be explained by the changes of TiO2 atomic structure in the presence of mixture anatase:rutile. Therefore, the electron beam irradiation does affect both structural and optical properties of TiO2 nanoparticles. This is expected to affect the photocatalytic activity of TiO2.


2015 ◽  
Vol 38 (4) ◽  
pp. 825-830 ◽  
Author(s):  
P A SHEENA ◽  
K P PRIYANKA ◽  
N ALOYSIUS SABU ◽  
S GANESH ◽  
THOMAS VARGHESE

RSC Advances ◽  
2018 ◽  
Vol 8 (28) ◽  
pp. 15297-15309 ◽  
Author(s):  
Yesappa L. ◽  
Niranjana M. ◽  
Ashokkumar S. P. ◽  
Vijeth H. ◽  
Basappa M. ◽  
...  

A study into the effect of 8 MeV energy electron beam irradiation on the optical properties and ionic conductivity of a PVDF–HFP/LiClO4 electrolyte film.


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