A novel flexible humidity switch material based on multi-walled carbon nanotube/polyvinyl alcohol composite yarn

2016 ◽  
Vol 230 ◽  
pp. 528-535 ◽  
Author(s):  
Wei Li ◽  
Fujun Xu ◽  
Lijun Sun ◽  
Wei Liu ◽  
Yiping Qiu
RSC Advances ◽  
2017 ◽  
Vol 7 (25) ◽  
pp. 15084-15095 ◽  
Author(s):  
K. Naveen Kumar ◽  
R. Padma ◽  
Y. C. Ratnakaram ◽  
Misook Kang

A bright, dazzling green emission has been obtained from functionalized multi walled carbon nanotube (f-MWCNT)-embedded Bi3+ + Tb3+:PVA polymer nanocomposites under UV excitation.


Crystals ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 832
Author(s):  
Edna X. Figueroa-Rosales ◽  
Javier Martínez-Juárez ◽  
Esmeralda García-Díaz ◽  
Daniel Hernández-Cruz ◽  
Sergio A. Sabinas-Hernández ◽  
...  

Hydroxyapatite (HAp) and hydroxyapatite/multi-walled carbon nanotube (MWCNT) composites were obtained by the co-precipitation method, followed by ultrasound-assisted and microwave radiation and thermal treatment at 250 °C. X-ray diffraction (XRD) confirmed the presence of a hexagonal phase in all the samples, while Fourier-transform infrared (FTIR) spectroscopy elucidated the interaction between HAp and MWCNTs. The photoluminescent technique revealed that HAp and the composite with non-functionalized MWCNTs present a blue luminescence, while the composite with functionalized MWCNTs, under UV-vis radiation shows an intense white emission. These findings allowed presentation of a proposal for the use of HAp and HAp with functionalized MWCNTs as potential materials for optoelectronic and medical applications.


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