Amine-terminated nanoparticle films: pattern deposition by a simple nanostencilling technique and stability studies under X-ray irradiation.
Amine-terminated nanoparticle films: pattern deposition by a simple nanostencilling technique and stability studies under X-ray irradiation.
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胺封端纳米粒子薄膜:通过简单的纳米模板技术进行图案沉积以及 X 射线照射下的稳定性研究。
DOI:
10.1039/c3cp55344b
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
Coxon PR
中科院分区:
文献类型:
--
作者:
Coxon PR
Thin films made up of arrays of amine-terminated silicon nanoparticles (NH2-SiNPs) synthesized by a new evaporation technique have been formed by employing TEM grids as nanostencils. FTIR imaging illustrates the feasibility of the method in nanoscale device fabrication applications. Micro-mapping over areas of the nanoparticle material allows the surface chemistry to be examined. FTIR imaging shows trace amounts of oxide confined to the NP surfaces. Thicker films formed by dropcasting allowed the nanoparticle behaviour to be studied under conditions of extended exposure to 150 eV photons radiation by X-ray photoelectron spectroscopy (XPS). The XPS spectrum was monitored over the Si2p region and the initial peak at 100.53 eV was observed to shift to higher binding energies as irradiation progressed which is indicative of charge trapping within the film. This result has potential consequences for applications where NH2-SiNPs are used in X-ray environments such as in bioimaging where the increasing charge buildup is related to enhanced cytotoxicity.
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DOI:
10.1088/0022-3727/44/49/495301
发表时间:
2011-12
期刊:
Journal of Physics D: Applied Physics
影响因子:
--
作者:
P. Coxon;Qi Wang;Y. Chao
通讯作者:
P. Coxon;Qi Wang;Y. Chao
影响因子:
--
作者:
Coxon P
通讯作者:
Coxon P
影响因子:
3.3
作者:
Reboredo, FA;Galli, G
通讯作者:
Galli, G
影响因子:
3.2
作者:
Coxon P
通讯作者:
Coxon P
DOI:
--
发表时间:
1999
期刊:
影响因子:
--
作者:
M. Tomaselli;J. Yarger;M. Bruchez;R. Havlin;David deGraw;A. Pines;A. Alivisatos
通讯作者:
A. Alivisatos