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

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Paper presentation Atanu Ghosh 20-11-2015

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Page 1: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Paper presentation

Atanu Ghosh20-11-2015

Page 2: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Page 3: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Page 4: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

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

Page 5: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

All-thiol-stabilized Ag-44 and Au12Ag32

nanoparticles with single-crystal structures

Page 6: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Page 7: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Page 8: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Page 9: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Page 10: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Complete conversion of one atomically precise cluster to another

atomically precise

Au28

Au25

Au20

150 timesTBBT

Au99

Au144

Au133

TBBT

HSPh

Au36

Au38

Au40

Page 11: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Page 12: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Page 13: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Page 14: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Page 15: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Synthesis of alloy clusters

Page 16: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Page 17: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Ag29 No alloy reported

Page 18: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Comparison of properties of different silver clusters

Page 19: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Others

Page 20: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

Page 21: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

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

Page 22: Paper presentation...Paper presentation 20-11-2015 Atanu Ghosh Direct synthesis of silver cluster Solvent: DCM, Methanol Reagent: AgNO3 , thiol, Triethylamine PPh4+Br- and NaBH4 Material

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