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Water-induced hydrogenation of graphene/metal interfaces at room temperature:Insights on water intercalation and identification of sites for water splitting

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Nano Research 2019年第12期12卷 3101-3108页

作者： Guangyu He Qi Wang Hak Ki Yu daniel farias Yingchun Liu Antonio Politano Department of Chemistry Zhejiang UniversityHangzhou 310027China Department of Materials Science and Engineering and Department of Energy Systems Research Ajou UniversitySuwon 16499Republic of Korea Departamento de Ftsica de la Materia Condensada Universidad Autonoma de MadridMadrid 28049Spain Instituto"Nicolas Cabrera"and Condensed Matter Physics Center(IFIMAC) Universidad Autonoma de MadridMadrid 28049Spain Department of Physical and Chemical Sciences University of L'AquilaVia Vetoio 10L'Aquila 1-67100Italy CNR-IMM Istituto per la Microelettronica e Microsistemi VIII strada 5Catania 1-95121Italy

Though it is well recognized that the space between graphene cover and the metal substrate canact as a two-dimensional(2D)nanoreactor,several issues are still unresolved,including the role of the metal substrate,the mechanisms ruling water intercalation and the identification ofsites at which water is ***,we solve these issues by means of density functional theory and high-resolution electron energyloss spectroscopy experiments carried out on graphene grown on(111)-oriented Cu ***,we observe decomposition of H2O atroom temperature with only H atoms forming bonds with graphene and with buried OH groups underneath the graphene *** model discloses physicochemical mechanisms ruling the migration and decomposition of water on graphene/*** discover thatthe edge of graphene can be easily saturated by H through decomposition of H2O,which allows H2O to migrate in the subsurface region from thedecoupled edge,where H2O decomposes at room *** atoms produced by the decomposition of H2O initially form a chemicalbond with graphene for the lower energy barrier compared with other *** findings are essential to exploit graphene/Cu interfaces incatalysis and in energy-related applications.

关键词： graphene/metal interfaces intercalation water splitting room temperature

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Inactivation of Air-Suspended-Cells Through Ion Energy

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材料科学与工程（中英文A版） 2022年第3期12卷 81-86页

作者： Manuel Borja Salin Roger Bartolo Alarcon Claudia Paniagua Homobono daniel Morales Diaz Enoc Espinosa farias Sergio Flores Gonzalez Darío Hernández Escalera Hilda Moreno Saavedra Chemical Engineering Department National Technological Institute of MexicoTechnological Institute of TolucaMetepecEdo de México Mechatronic Engineering Department National Technological Institute of MexicoTechnological Institute of TolucaMetepec Edo de México Postgraduate Studies and Research Division Metepec Edo de MéxicoCp.52149México

Cold plasma at room temperature and pressure is an emerging and novel tool for the inactivation of cell derived from its ionic energy,which is capable of breaking bonds such as carbon-carbon,carbon-hydrogen,carbon-oxygen,among others,these being the ones that support the biological structure of *** work tries to create its own infrastructure that includes a high voltage source,an infrared trigger which reduces the effect of the ozone created,an ionic reactor in which the plasma acts at atmospheric temperature and pressure,and a magnetic field that allow aligning the plasma to the combined processes that are carried out.

关键词： Cold plasma at room temperature and pressure inactivation of cells ionic energy

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