Superior plasmon absorption in iron-doped gold nanoparticles

Author:

Amendola Vincenzo123,Saija Rosalba456,Maragò Onofrio M.789,Iatì Maria Antonia789

Affiliation:

1. Department of Chemical Sciences

2. University of Padova

3. I-35131 Padova, Italy

4. Dipartimento di Fisica e di Scienze della Terra

5. Università di Messina

6. I-98166 Messina, Italy

7. CNR-IPCF

8. Istituto per i Processi Chimico-Fisici

9. I-98158 Messina, Italy

Abstract

Plasmon absorption can be increased up to 200% just by doping gold nanoparticles (nanospheres, nanoshells, nanorods, etc.) with iron. The benefits of alloying Au with Fe are observed in nanostructures larger than 70–100 nm and for iron contents of 10–20 atomic%. The increment is located in the red and near infrared part of the spectrum.

Funder

Università degli Studi di Padova

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

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