Soft templated mesoporous manganese oxide/carbon nanotube composites via interfacial surfactant assembly

2014 ◽  
Vol 2 (10) ◽  
pp. 3641-3647 ◽  
Author(s):  
Chang-Wook Lee ◽  
Seung-Beom Yoon ◽  
Seong-Min Bak ◽  
Joah Han ◽  
Kwang Chul Roh ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Manganese Oxide ◽  
Synergetic Effect ◽  
Mesoporous Structure ◽  
Nanotube Composites ◽  
Carbon Nanotube Composites ◽  
Carbon Nanotube Composite ◽  
Interfacial Surfactant

A mesoporous manganese oxide/carbon nanotube composite was successfully synthesized via interfacial surfactant assembly. The electrochemical utilization of MnO2 was greatly improved due to the synergetic effect of the mesoporous structure and the CNTs.

Novel 3D flower-like CoNi2S4/carbon nanotube composites as high-performance electrode materials for supercapacitors

2016 ◽  
Vol 40 (1) ◽  
pp. 340-347 ◽  
Author(s):  
Zhihong Ai ◽  
Zhonghua Hu ◽  
Yafei Liu ◽  
Mengxuan Fan ◽  
Peipei Liu
Keyword(s):  
Carbon Nanotube ◽  
High Performance ◽  
Electrode Materials ◽  
Rate Capability ◽  
Mesoporous Structure ◽  
Transformation Method ◽  
Superior Performance ◽  
Nanotube Composites ◽  
Carbon Nanotube Composites ◽  
Good Rate Capability

Novel flower-like CoNi2S4/CNT composites are prepared by the precursor transformation method. Ultrahigh specific capacitance and good rate capability are achieved. The desirable mesoporous structure and high conductivity give the superior performance.

Nanoindentation testing for evaluating modulus and hardness of single-walled carbon nanotube–reinforced epoxy composites

2004 ◽  
Vol 19 (1) ◽  
pp. 158-164 ◽  
Author(s):  
A.K. Dutta ◽  
D. Penumadu ◽  
B. Files
Keyword(s):  
Carbon Nanotube ◽  
Tensile Tests ◽  
Single Walled Carbon Nanotube ◽  
Weight Percentage ◽  
Single Walled Carbon ◽  
Low Viscosity ◽  
Confining Effect ◽  
Nanotube Composites ◽  
Carbon Nanotube Composites ◽  
Carbon Nanotube Composite

Instrumented indentation testing was used to evaluate the changes in mechanical properties of single-walled carbon nanotube composite specimens with varying weight percentage (0, 0.1, 0.5, and 1.0 wt%) of nanotubes using a low-viscosity liquid epoxy resin. The nanotubes were prepared using laser ablation technique. Reference tensile tests were also performed on the same samples, and relevant comparisons with indentation results were made. The variations in modulus and hardness obtained using nanoindentation (considering time effects) showed quantifiable differences between the various composite specimens, but differed from tensile test data. The small changes in the observed stiffness and breaking strength of carbon nanotube composites was due to the formation of bundles, their curvy morphology, and microporosity in the specimens. Interesting fluctuations obtained from the interpreted values of modulus with depth of indentation is attributed to varying degrees of the local confining effect of nanotube bundles. Creep exponents for these nanocomposites were also evaluated and indicate considerable improvements.

scholarly journals Optical detection of charge dynamics in CH3NH3PbI3/carbon nanotube composites

Nanoscale ◽  
2017 ◽  
Vol 9 (45) ◽  
pp. 17781-17787 ◽  
Author(s):  
Hajnalka M. Tóháti ◽  
Áron Pekker ◽  
Pavao Andričević ◽  
László Forró ◽  
Bálint Náfrádi ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Lead Iodide ◽  
Charge Dynamics ◽  
Nanotube Composites ◽  
Efficient Charge ◽  
Carbon Nanotube Composites ◽  
Induced Charge ◽  
Carbon Nanotube Composite ◽  
Methylammonium Lead Iodide

This spectroscopic study of light-induced charge transfer in the methylammonium lead iodide/carbon nanotube composite confirms that carbon nanotubes can form efficient charge-transporting layers in organic perovskite based devices.

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.

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