Surface Functionalization, Oxygen Depth Profiles, and Wetting Behavior of PET Treated with Different Nitrogen Plasmas

2010 ◽  
Vol 2 (4) ◽  
pp. 980-990 ◽  
Author(s):  
Carmen López-Santos ◽  
Francisco Yubero ◽  
José Cotrino ◽  
Agustín R. González-Elipe
2016 ◽  
Vol 3 (13) ◽  
pp. 1600110 ◽  
Author(s):  
Marco Laurenti ◽  
Alessio Verna ◽  
Marco Fontana ◽  
Stefano Stassi ◽  
Giancarlo Canavese ◽  
...  

Author(s):  
A. T. Fisher ◽  
P. Angelini

Analytical electron microscopy (AEM) of the near surface microstructure of ion implanted ceramics can provide much information about these materials. Backthinning of specimens results in relatively large thin areas for analysis of precipitates, voids, dislocations, depth profiles of implanted species and other features. One of the most critical stages in the backthinning process is the ion milling procedure. Material sputtered during ion milling can redeposit on the back surface thereby contaminating the specimen with impurities such as Fe, Cr, Ni, Mo, Si, etc. These impurities may originate from the specimen, specimen platform and clamping plates, vacuum system, and other components. The contamination may take the form of discrete particles or continuous films [Fig. 1] and compromises many of the compositional and microstructural analyses. A method is being developed to protect the implanted surface by coating it with NaCl prior to backthinning. Impurities which deposit on the continuous NaCl film during ion milling are removed by immersing the specimen in water and floating the contaminants from the specimen as the salt dissolves.


2017 ◽  
Vol 48 (12) ◽  
pp. 1077-1088
Author(s):  
Yukihiro Yonemoto ◽  
Tomoaki Kunugi
Keyword(s):  

2020 ◽  
Author(s):  
Mikhail Trought ◽  
Isobel Wentworth ◽  
Timothy Leftwich ◽  
Kathryn Perrine

The knowledge of chemical functionalization for area selective deposition (ASD) is crucial for designing the next generation heterogeneous catalysis. Surface functionalization by oxidation was studied on the surface of highly oriented pyrolytic graphite (HOPG). The HOPG surface was exposed to with various concentrations of two different acids (HCl and HNO3). We show that exposure of the HOPG surface to the acid solutions produce primarily the same -OH functional group and also significant differences the surface topography. Mechanisms are suggested to explain these strikingly different surface morphologies after surface oxidation. This knowledge can be used to for ASD synthesis methods for future graphene-based technologies.


2012 ◽  
Vol 8 (2) ◽  
pp. 202-207 ◽  
Author(s):  
Sonia Bailon-Ruiz ◽  
Luis Alamo-Nole ◽  
Oscar Perales-Perez

1987 ◽  
Vol 73 (3) ◽  
pp. 484-490 ◽  
Author(s):  
Seiji YOKOYAMA ◽  
Yoshimoto WANIBE ◽  
Hiroshi SAKAO
Keyword(s):  

2020 ◽  
Vol 8 (36) ◽  
pp. 12380-12411
Author(s):  
Pan Jiang ◽  
Zhongying Ji ◽  
Xiaolong Wang ◽  
Feng Zhou

Various requirements for 3D printing raised by actual applications in different fields have provoked the rapid development of technologies together with various specific materials.


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