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Article
Intrinsically stable in situ generated electrocatalyst for long-term oxidation of acidic water at up to 80 °C
Electrochemical water splitting in acidic conditions offers important advantages over that in alkaline systems, but the technological progress is limited by the lack of inexpensive and efficient anode catalyst...
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Article
Open AccessApplication of GRAAL model to the resumption of International Simple Glass alteration
The methodology developed for predicting nuclear waste behavior under disposal conditions combines experimental approaches and modeling. A waste glass canister placed in contact with water undergoes irreversib...
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Article
Open AccessDynamics of self-reorganization explains passivation of silicate glasses
Understanding the dissolution of silicate glasses and minerals from atomic to macroscopic levels is a challenge with major implications in geoscience and industry. One of the main uncertainties limiting the de...
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Article
Open AccessImpact of alkali on the passivation of silicate glass
Amorphous silica-rich surface layers, also called gels, can passivate silicate glass and minerals depending on environmental conditions. However, several uncertainties remain on the mechanisms controlling the ...
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Article
Open AccessChemical durability of peraluminous glasses for nuclear waste conditioning
For the handling of high level nuclear waste (HLW), new glass formulations with a high waste capacity and an enhanced thermal stability, chemical durability, and processability are under consideration. This st...
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Article
Open AccessStructure of International Simple Glass and properties of passivating layer formed in circumneutral pH conditions
Knowing the structure of a material is necessary to understand its evolution under various influences; here, the alteration by water of a reference glass of nuclear interest, called International Simple Glass ...
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Article
Open AccessContribution of zeolite-seeded experiments to the understanding of resumption of glass alteration
Understanding the origin and the consequences of glass alteration regimes is necessary for the prediction of nuclear glass durability. The so-called “stage 3” or “resumption of alteration regime” of glasses us...
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Article
Open AccessDipole-field-assisted charge extraction in metal-perovskite-metal back-contact solar cells
Hybrid organic-inorganic halide perovskites are low-cost solution-processable solar cell materials with photovoltaic properties that rival those of crystalline silicon. The perovskite films are typically sandw...
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Article
Open AccessVarious effects of magnetite on international simple glass (ISG) dissolution: implications for the long-term durability of nuclear glasses
Understanding the effect of near-field materials, such as iron corrosion products, on the alteration of vitreous nuclear waste is essential for modeling long-term stability of these waste forms in a geological...
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Article
Open AccessOrigin and consequences of silicate glass passivation by surface layers
Silicate glasses are durable materials, but are they sufficiently durable to confine highly radioactive wastes for hundreds of thousands years? Addressing this question requires a thorough understanding of the...
