Silica Support Affects the Catalytic Hydrogen Evolution by Silver | Zendy

Rolly Gifty Sara | Zendy; Sermiagin Alina | Zendy; Meyerstein Dan | Zendy; Zidki Tomer | Zendy

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Silica Support Affects the Catalytic Hydrogen Evolution by Silver

Author(s) -

Rolly Gifty Sara,

Sermiagin Alina,

Meyerstein Dan,

Zidki Tomer

Publication year - 2021

Publication title -

european journal of inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 1434-1948

DOI - 10.1002/ejic.202100208

Subject(s) - chemistry , catalysis , tafel equation , hydrogen , hydrolysis , silver nanoparticle , inorganic chemistry , nanoparticle , electron transfer , chemical engineering , photochemistry , organic chemistry , electrochemistry , electrode , engineering

Silica supported silver nanoparticles, SiO 2 ‐Ag 0 ‐NPs, catalyze the hydrolysis of BH 4 − . A comparison of the isotopic composition of the hydrogen formed in the hydrolysis of BD 4 − points out that the contribution of hydrides, the Heyrovsky mechanism, rather than that of hydrogen atoms, the Tafel mechanism, to the hydrogen evolution is considerably larger for the SiO 2 ‐Ag 0 ‐NPs catalyzed process than for the Ag 0 ‐NPs catalyzed process. This indicates some electron transfer from the SiO 2 to the silver that increases the negative charge on the Ag 0 ‐NPs.

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