Nanosilicon in water as a source of hydrogen: size and pH matter

Bernhard Goller; Dmitry Kovalev; O Sreseli

doi:10.1088/0957-4484/22/30/305402

Nanosilicon in water as a source of hydrogen: size and pH matter

Bernhard Goller, Dmitry Kovalev, O Sreseli

Department of Physics

Research output: Contribution to journal › Article › peer-review

28 Citations (SciVal)

Abstract

We report on the interaction of silicon nanocrystals with water/alcohol solutions which results in their complete oxidation, the hydrolysis of water and hydrogen generation in amounts close to the ideal scenario. Water acts as an oxidizer while alcohol is required for efficient wetting of nanosilicon. This process results in the formation of silicon-based alcogel which can be further transferred to aerogel.

Original language	English
Article number	305402
Journal	Nanotechnology
Volume	22
Issue number	30
DOIs	https://doi.org/10.1088/0957-4484/22/30/305402
Publication status	Published - 29 Jul 2011

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10.1088/0957-4484/22/30/305402

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abstract = "We report on the interaction of silicon nanocrystals with water/alcohol solutions which results in their complete oxidation, the hydrolysis of water and hydrogen generation in amounts close to the ideal scenario. Water acts as an oxidizer while alcohol is required for efficient wetting of nanosilicon. This process results in the formation of silicon-based alcogel which can be further transferred to aerogel.",

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AB - We report on the interaction of silicon nanocrystals with water/alcohol solutions which results in their complete oxidation, the hydrolysis of water and hydrogen generation in amounts close to the ideal scenario. Water acts as an oxidizer while alcohol is required for efficient wetting of nanosilicon. This process results in the formation of silicon-based alcogel which can be further transferred to aerogel.

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Nanosilicon in water as a source of hydrogen: size and pH matter

Abstract

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