Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster...

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Atanu Ghosh20-11-2015

Direct synthesis of silver cluster

Solvent: DCM, Methanol

Reagent: AgNO3, thiol, Triethylamine PPh4+Br- and NaBH4

Material synthesized: Ag44, Ag32Au12 (), Ag25, Ag24Pd,

Solvent: DCM, Methanol

Reagent: AgNO3, thiol, Triethylamine PPh4+Br- and NaBH4

Material synthesized: Ag44, Ag32Au12, Ag25, Ag24Pd,

Solvent: DCM, Methanol

Reagent: AgNO3, thiol, PPh3, and NaBH4

Material synthesized: Ag29

All-thiol-stabilized Ag-44 and Au12Ag32

nanoparticles with single-crystal structures

Complete conversion of one atomically precise cluster to another

atomically precise

Au28

Au25

Au20

150 timesTBBT

Au99

Au144

Au133

TBBT

HSPh

Au36

Au38

Au40

Synthesis of alloy clusters

Ag29 No alloy reported

Comparison of properties of different silver clusters

Others

Angew. Chem. Int. Ed. 2015, 54, 9826 –9829

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