Field-enhanced phenomena of gold nanoparticles.
We investigate the connections between two field-enhanced phenomena of gold nanoparticles: multiphoton-absorption-induced luminescence (MAIL) and metal-enhanced multiphoton absorption polymerization (MEMAP). We observe a strong correlation between the nanoparticles and aggregates that have high efficiency for each process. The results of our studies indicate that for this system, MEMAP is driven not by field-enhanced two-photon absorption of the photoinitiator but rather by single-photon excitation of the photoinitiator by the MAIL emission.
Nah
Sanghee
S
Department of Chemistry and Biochemistry, Institute for Physical Science and Technology, Maryland NanoCenter, and Center for Nanophysics and Advanced Materials, University of Maryland, College Park, Maryland 20742, USA.
Li
Linjie
L
Fourkas
John T
JT