scholarly journals Characterization of Metallic Core-Shell Structure of Electro-Catalysts

2010 ◽  
Vol 16 (S2) ◽  
pp. 1804-1805
Author(s):  
D Su ◽  
L Wu ◽  
H Inada ◽  
JX Wang ◽  
W Zhou ◽  
...  

Extended abstract of a paper presented at Microscopy and Microanalysis 2010 in Portland, Oregon, USA, August 1 – August 5, 2010.

2013 ◽  
Vol 13 (10) ◽  
pp. 6953-6960 ◽  
Author(s):  
Haowei Shi ◽  
Yan Huang ◽  
Chao Cheng ◽  
Guoyuan Ji ◽  
Yuxiang Yang ◽  
...  

RSC Advances ◽  
2015 ◽  
Vol 5 (101) ◽  
pp. 83149-83154 ◽  
Author(s):  
Di Kang ◽  
Xiaoyan Song ◽  
Jinfeng Xing

Rare-earth upconversion nanoparticles (UCNPs) with α and β phases were prepared. UCNPs with core–shell structure were prepared and modified to be hydrophilic by ligand-free hydrophilic modification.


2019 ◽  
Vol 8 (1) ◽  
pp. 133-147 ◽  
Author(s):  
Suzana Filipović ◽  
Vera P. Pavlović ◽  
Miodrag Mitrić ◽  
Steva Lević ◽  
Nebojša Mitrović ◽  
...  

Nanomaterials ◽  
2019 ◽  
Vol 9 (4) ◽  
pp. 521
Author(s):  
Dong Lee ◽  
Yong-Hwan Choi ◽  
Kyong Rhee ◽  
Kap Yang ◽  
Byung-Joo Kim

In this study, isotropic pitch-based carbon fibers were prepared from a mixture of petroleum residue and graphene nanoplatelets with different contents. The softening point and synthetic yield of synthesized isotropic pitches were analyzed and compared to characterize the nature of the pitches. The surface and thermal characteristics of the fibers were observed using scanning electron microscopy and thermogravimetric analysis (TGA), respectively. From the results, it was observed that the prepared carbon fibers had an interesting core-shell structure. In the TGA analysis with air, the carbon fiber having 0.1 wt.% of graphene showed a higher residue yield than that of the sample having 1.0 wt.% of graphene. This result can be explained due to the graphene being placed on the surface region of the carbon fibers and directly helping to increase the surface area of the carbon fibers, resulting in rapid oxidation due to the enhanced contact area with oxygen.


2019 ◽  
Vol 34 (07) ◽  
pp. 1138-1153 ◽  
Author(s):  
Mengkun Tian ◽  
Chenze Liu ◽  
Jingxuan Ge ◽  
David Geohegan ◽  
Gerd Duscher ◽  
...  

Abstract


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