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