{"title":"高温退火对石墨烯摩擦性能的影响","authors":"Wenjie He, Yu Zhang, Qiang He, Wen Wang","doi":"10.1007/s11249-025-02065-1","DOIUrl":null,"url":null,"abstract":"<div><p>Due to the high surface-to-volume ratio, micro/nano-electromechanical systems (MEMS/NEMS) undergo severe wear during the relative sliding. Graphene, possessing excellent mechanical, physical, and chemical properties, can achieve an ultralow friction and wear state, making it highly promising for significantly minimizing friction and wear in MEMS/NEMS. However, graphene films used in MEMS/NEMS are typically subjected to thermal annealing pretreatment during the fabrication process. To maintain optimal performance, it is particularly necessary to investigate the evolution of graphene tribological properties after high-temperature annealing. In this article, by performing nanoscale atomic force microscopy (AFM) measurements on mechanically exfoliated graphene, we reveal that the friction force on graphene decreases slightly upon annealing to approximately 200 °C, then gradually increases before rising rapidly once the annealing temperature exceeds 500 °C. Raman spectroscopy identifies that the changes in friction result from the annealing-induced compressive stress accumulation and defects creation. Our results provide deep insights for the application of graphene in sliding MEMS/NEMS.</p><h3>Graphical Abstract</h3>\n<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":806,"journal":{"name":"Tribology Letters","volume":"73 4","pages":""},"PeriodicalIF":3.3000,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Effects of High-Temperature Annealing on the Frictional Properties of Graphene\",\"authors\":\"Wenjie He, Yu Zhang, Qiang He, Wen Wang\",\"doi\":\"10.1007/s11249-025-02065-1\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Due to the high surface-to-volume ratio, micro/nano-electromechanical systems (MEMS/NEMS) undergo severe wear during the relative sliding. Graphene, possessing excellent mechanical, physical, and chemical properties, can achieve an ultralow friction and wear state, making it highly promising for significantly minimizing friction and wear in MEMS/NEMS. However, graphene films used in MEMS/NEMS are typically subjected to thermal annealing pretreatment during the fabrication process. To maintain optimal performance, it is particularly necessary to investigate the evolution of graphene tribological properties after high-temperature annealing. In this article, by performing nanoscale atomic force microscopy (AFM) measurements on mechanically exfoliated graphene, we reveal that the friction force on graphene decreases slightly upon annealing to approximately 200 °C, then gradually increases before rising rapidly once the annealing temperature exceeds 500 °C. Raman spectroscopy identifies that the changes in friction result from the annealing-induced compressive stress accumulation and defects creation. Our results provide deep insights for the application of graphene in sliding MEMS/NEMS.</p><h3>Graphical Abstract</h3>\\n<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>\",\"PeriodicalId\":806,\"journal\":{\"name\":\"Tribology Letters\",\"volume\":\"73 4\",\"pages\":\"\"},\"PeriodicalIF\":3.3000,\"publicationDate\":\"2025-09-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Tribology Letters\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s11249-025-02065-1\",\"RegionNum\":3,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ENGINEERING, CHEMICAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Tribology Letters","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1007/s11249-025-02065-1","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, CHEMICAL","Score":null,"Total":0}
Effects of High-Temperature Annealing on the Frictional Properties of Graphene
Due to the high surface-to-volume ratio, micro/nano-electromechanical systems (MEMS/NEMS) undergo severe wear during the relative sliding. Graphene, possessing excellent mechanical, physical, and chemical properties, can achieve an ultralow friction and wear state, making it highly promising for significantly minimizing friction and wear in MEMS/NEMS. However, graphene films used in MEMS/NEMS are typically subjected to thermal annealing pretreatment during the fabrication process. To maintain optimal performance, it is particularly necessary to investigate the evolution of graphene tribological properties after high-temperature annealing. In this article, by performing nanoscale atomic force microscopy (AFM) measurements on mechanically exfoliated graphene, we reveal that the friction force on graphene decreases slightly upon annealing to approximately 200 °C, then gradually increases before rising rapidly once the annealing temperature exceeds 500 °C. Raman spectroscopy identifies that the changes in friction result from the annealing-induced compressive stress accumulation and defects creation. Our results provide deep insights for the application of graphene in sliding MEMS/NEMS.
期刊介绍：
Tribology Letters is devoted to the development of the science of tribology and its applications, particularly focusing on publishing high-quality papers at the forefront of tribological science and that address the fundamentals of friction, lubrication, wear, or adhesion. The journal facilitates communication and exchange of seminal ideas among thousands of practitioners who are engaged worldwide in the pursuit of tribology-based science and technology.
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