Continuous flow synthesis of small silver nanoparticles involving hydrogen as the reducing agent

Karel Hartlieb, Martin Saunders, Roshan Jachuck, Colin Raston

    Research output: Contribution to journalArticle

    22 Citations (Scopus)

    Abstract

    Two narrow-channel reactor designs have been developed and used in conjunction with gas-liquid segmented flow in order to intensify reactions and to effect synthesis under continuous flow conditions, incorporating single pass and recirculating capability, under high pressure and temperature. Silver nanoparticles approximately 3-5 nm in diameter are accessible with the average size depending on the reaction temperature and polyphosphate concentration, with smaller and more monodisperse nanoparticles produced at low polyphosphate concentrations and low temperatures. The use of continuous flow conditions leads to the possibility of simple scale-up to commercial production.

    Original languageEnglish
    Pages (from-to)1012-1017
    Number of pages6
    JournalGreen Chemistry
    Volume12
    Issue number6
    DOIs
    Publication statusPublished - 8 Jun 2010

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