It seems like there’s graphene on the moon according to an August 1, 2024 news item on phys.org , Note: A link has been removed,
A study, published in National Science Review, reveals the existence of naturally formed few-layer graphene, a substance consisting of carbon atoms in a special, thin-layered structure.
The team, led by professors Meng Zou, Wei Zhang and senior engineer Xiujuan Li from Jilin University and Wencai Ren from the Chinese Academy of Sciences’ Institute of Metal Research, analyzed an olive-shaped sample of lunar soil, about 2.9 millimeters by 1.6 mm, retrieved from the Chang’e 5 mission in 2020.
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An August 1, 2024 Science China Press press release on EurekAlert, which originated the news item, provides more details,
According to the team, scientists generally believe that some 1.9 percent of interstellar carbon exists in the form of graphene, with its shape and structure determined by the process of its formation.
Using a special spectrometer, researchers found an iron compound that is closely related to the formation of graphene in a carbon-rich section of the sample. They then used advanced microscopic and mapping technologies to confirm that the carbon content in the sample comprised “flakes” that have two to seven layers of graphene.
The team proposed that the few-layer graphene may have formed in volcanic activity in the early stages of the moon’s existence, and been catalyzed by solar winds that can stir up lunar soil and iron-containing minerals that helped transform the carbon atoms’ structure. They added that impact processes from meteorites, which create high-temperature and high-pressure environments, may also have led to the formation of graphene.
On Earth, graphene is becoming a star in materials sciences due to its special features in optics, electrics and mechanics. The team believes their study could help develop ways to produce the material inexpensively and expand its use.
“The mineral-catalyzed formation of natural graphene sheds light on the development of low-cost scalable synthesis techniques of high-quality graphene,” the paper said. “Therefore, a new lunar exploration program may be promoted, and some forthcoming breakthroughs can be expected.”
Here’s a link to and a citation for the paper,
Discovery of natural few-layer graphene on the Moon by Wei Zhang, Qing Liang, Xiujuan Li, Lai-Peng Ma, Xinyang Li, Zhenzhen Zhao, Rui Zhang, Hongtao Cao, Zizhun Wang, Wenwen Li, Yanni Wang, Meiqi Liu, Nailin Yue, Hongyan Li, Zhenyu Hu, Li Liu, Qiang Zhou, Fangfei Li, Weitao Zheng, Wencai Ren, Meng Zou. National Science Review, nwae211, DOI: https://doi.org/10.1093/nsr/nwae211 Published:: 17 June 2024
This paper is open access and the National Science Review looks like another China-backed journal published by Oxford Academic. If not China-backed, it’s certainly China forward, from the About page,
National Science Review is an open access, peer-reviewed journal aimed at reporting cutting-edge developments across science and technology in China and around the world. The journal covers all areas of the natural sciences, including physics and mathematics, chemistry, life sciences, earth sciences, materials science, and information sciences.
I just realized that I haven’t seen anything recently about which country or countries are the leading the science race. Going by the recent rate of publication, China is doing quite well.