Radiolysis of water in nanoporous gold

Literature Information

Publication Date 2010-09-08
DOI 10.1039/C0CP00967A
Impact Factor 3.676
Authors

F. Poidevin, M. H. Mathon


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Abstract

Nanoporous gold was used as a high specific surface material to describe the water radiolysis in the vicinity of metal surfaces. Porous gold monoliths were prepared by electrolytic dissolution of silver in Au–Ag alloys and characterized by small angle neutron scattering. The hydroxyl radical production under gamma irradiation was measured by benzoate scavenging in water confined in 50 nm porous gold or in silica glasses of similar pore size, and in bulk water. Whereas a silica interface induces minimal modifications to the HO˙ radical production with respect to bulk water, HO˙ production near gold is enhanced more than seven times on the short time scale, and almost completely suppressed by reaction with the metal on the long time scale.

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Contents list

Front/Back Matter

DOI: 10.1039/C8PY90044B

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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