Spatially isolated redox processes enabled by ambipolar charge transport in multi-walled carbon nanotube mats

2021 ◽  
Vol 8 (4) ◽  
pp. 1304-1313
Author(s):  
Renzo A. Fenati ◽  
Peter C. Sherrell ◽  
Dmitriy A. Khodakov ◽  
Joseph G. Shapter ◽  
Amanda V. Ellis
Keyword(s):  
Carbon Nanotube ◽  
Charge Transport ◽  
Redox Reaction ◽  
Salt Bridge ◽  
Redox Processes ◽  
Charge Neutrality ◽  
Redox Couples ◽  
Multi Walled Carbon Nanotube ◽  
Spontaneous Reaction

Ambipolar MWCNTs are shown to transport charge from a spontaneous reaction to drive a spatially isolated redox reaction, maintaining charge neutrality without a salt bridge. This mechanism enables the study of spatially isolated redox couples.

scholarly journals Photoluminescent Properties of Hydroxyapatite and Hydroxyapatite/Multi-Walled Carbon Nanotube Composites

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 ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Hexagonal Phase ◽  
Precipitation Method ◽  
X Ray Diffraction ◽  
X Ray ◽  
Multi Walled Carbon Nanotube ◽  
Nanotube Composites ◽  
Carbon Nanotube Composites ◽  
Co Precipitation ◽  
Functionalized Mwcnts

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.

Adsorption performance of multi-walled carbon nanotube-SiO2 adsorbent for toluene

2021 ◽  
Vol 49 (6) ◽  
pp. 861-872
Author(s):  
Wei LIU ◽  
Zhuang LI ◽  
Shao-peng ZHANG ◽  
Wei-wei JIAN ◽  
Dan-zhu MA
Keyword(s):  
Carbon Nanotube ◽  
Adsorption Performance ◽  
Multi Walled Carbon Nanotube
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