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CO 和 CO 分子热脱附研究的石墨烯/插层氧/Ru(0001)的稳定性。

Stability of Graphene/Intercalated Oxygen/Ru(0001) as Studied by Thermal Desorption of CO and CO Molecules.

机构信息

Physics Department, Norwegian University of Science and Technology (NTNU), N7491 Trondheim, Norway.

出版信息

Molecules. 2023 Mar 15;28(6):2670. doi: 10.3390/molecules28062670.

DOI:10.3390/molecules28062670
PMID:36985642
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10051996/
Abstract

Formation of graphene on Ru(0001) by exposure to ethylene and subsequent annealing has been studied by low-energy electron diffraction, X-ray photoelectron spectroscopy, and ultraviolet photoelectron spectroscopy. The stability of graphene/intercalated oxygen/Ru(0001) has been investigated by temperature programmed desorption spectroscopy. Desorption of CO and CO was observed upon heating the samples to temperatures above 700 K. It was found that the graphene layer was partly intact after the desorption run and that the intercalated oxygen was removed. It was concluded that the oxygen-intercalated graphene layer was stable up to temperatures of about 700 K.

摘要

在 Ru(0001) 上通过暴露于乙烯和随后的退火形成石墨烯的过程已通过低能电子衍射、X 射线光电子能谱和紫外光电子能谱进行了研究。通过程序升温脱附光谱研究了石墨烯/插层氧/Ru(0001)的稳定性。当样品加热到高于 700 K 的温度时，观察到 CO 和 CO 的解吸。结果发现，解吸后石墨烯层部分完整，插层氧被去除。由此得出结论，氧插层石墨烯层在约 700 K 的温度下是稳定的。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/d1d57875c002/molecules-28-02670-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/d7a84d7f967d/molecules-28-02670-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/d9a0800053bf/molecules-28-02670-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/20153655267c/molecules-28-02670-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/22e640915d55/molecules-28-02670-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/73d5eaa08ed2/molecules-28-02670-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/9baae0f1570f/molecules-28-02670-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/eb610f7d3ba6/molecules-28-02670-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/d1d57875c002/molecules-28-02670-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/d7a84d7f967d/molecules-28-02670-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/e6b16e74be87/molecules-28-02670-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/20153655267c/molecules-28-02670-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/22e640915d55/molecules-28-02670-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/73d5eaa08ed2/molecules-28-02670-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/9baae0f1570f/molecules-28-02670-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/eb610f7d3ba6/molecules-28-02670-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f9f4/10051996/d1d57875c002/molecules-28-02670-g009.jpg

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