Effects of thermally induced anatase-to-rutile phase transition in MOCVD-grown TiO2 films on structural and optical properties

2001 ◽  
Vol 73 (5) ◽  
pp. 595-600 ◽  
Author(s):  
D.-J. Won ◽  
C.-H. Wang ◽  
H.-K. Jang ◽  
D.-J. Choi

2012 ◽  
Vol 134 (43) ◽  
pp. 17932-17944 ◽  
Author(s):  
Masaki Horie ◽  
Yuji Suzaki ◽  
Daisuke Hashizume ◽  
Tomoko Abe ◽  
Tiendi Wu ◽  
...  




CrystEngComm ◽  
2022 ◽  
Author(s):  
Norio Saito ◽  
Daiki Nishiyama ◽  
Yoshitaka Matsushita ◽  
Yoshiki Wada ◽  
Stéphane Cordier ◽  
...  

We report the reentrant phase transition of the organic–inorganic hybrid metal cluster (MC) compound (TBA)2[Mo6Bri8Bra6] (TBA = ((n-C4H9)4N)). Structural studies revealed that (TBA)2[Mo6Bri8Bra6] was crystallized in the conventional monoclinic phase...



Nanoscale ◽  
2019 ◽  
Vol 11 (12) ◽  
pp. 5215-5221 ◽  
Author(s):  
Guotao Pang ◽  
Xiaoqi Lan ◽  
Ruxue Li ◽  
Zhubing He ◽  
Rui Chen

Temperature-dependent photoluminescence in the phase transition range shows that mixed-organic-cation perovskites are more stable than their pure counterparts.



2016 ◽  
Vol 8 (3) ◽  
pp. 267-272 ◽  
Author(s):  
F. U. Khan ◽  
M. Zubair ◽  
M. Z. Ansar ◽  
M. K. Alamgir ◽  
S. Nadeem

The effect of annealing temperatures on the surface morphology and optical properties of titanium dioxide (TiO2) thin films deposited by spin coating on Silicon substrate was studied. The TiO2 thin films deposited onto silicon substrates were annealed at different temperatures. The structural and optical properties were studied using scanning electron microscopy (SEM), X-ray diffraction technique (XRD) and optical ellipsometer. The results indicated that the structural properties of the TiO2 thin films were changed with the increase in annealing temperature. The SEM investigation showed that as annealing temperature was increased, the grain and pores size were increased. The XRD patterns of the studied samples showed that rutile phase were found in a sample annealed at high temperature. The ellipsometry investigation shows that the refractive index increased while energy band gap decreased with the annealing temperature. The results showed that surface porosity, optical properties and surface morphology of TiO2 could be affected by changing the annealing temperature.   



2016 ◽  
Vol 9 (1) ◽  
pp. 155-163 ◽  
Author(s):  
Claudio Quarti ◽  
Edoardo Mosconi ◽  
James M. Ball ◽  
Valerio D'Innocenzo ◽  
Chen Tao ◽  
...  

We report optical measurements on MAPbI3solar cells, together withab initiosimulations, to investigate the material property changes across the tetragonal to cubic phase transition.



Vacuum ◽  
2002 ◽  
Vol 64 (3-4) ◽  
pp. 275-279 ◽  
Author(s):  
V.G. Bessergenev ◽  
I.V. Khmelinskii ◽  
R.J.F. Pereira ◽  
V.V. Krisuk ◽  
A.E. Turgambaeva ◽  
...  


2018 ◽  
Vol 29 (15) ◽  
pp. 13254-13264 ◽  
Author(s):  
D. Li ◽  
S. Dai ◽  
A. Goullet ◽  
M. Carette ◽  
A. Granier ◽  
...  


2019 ◽  
Vol 136 (3) ◽  
pp. 498-512
Author(s):  
E.R. Shaaban ◽  
M.Y. Hassaan ◽  
M.G. Moustafa ◽  
Ammar Qasem ◽  
G.A.M. Ali ◽  
...  


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