Electronic Theses and Dissertations

Date of Award


Document Type


Degree Name

M.S. in Chemistry


Chemistry and Biochemistry

First Advisor

Amala Dass

Second Advisor

Steven R. Davis

Third Advisor

James Cizdziel

Relational Format



Au144-xCux(SR)60 alloy nanomolecules were synthesized and characterized by using ESI-MS to atomic precision. A maximum of 23 copper atoms replace the gold atoms; when the number of copper atoms is higher than eight, a surface plasmon-like peak appears at ∼520 nm. Based on the fundamental, elemental properties of Au and Cu, we predict a mixed atomic ordering and incorporation into the Au12 and Au 42 shells of the proposed icosahedral structured model. Alloy nanomolecules reported here could have potential applications in the field of catalysis and optical sensors.


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