Narrow plasmon mode in 2D arrays of silver nanoparticles self-assembled on thin silver films

2008 ◽  
Vol 229 (3) ◽  
pp. 567-574 ◽  
Author(s):  
S. MALYNYCH ◽  
G. CHUMANOV
Keyword(s):  
Silver Nanoparticles ◽  
Plasmon Mode ◽  
Silver Films ◽  
2D Arrays ◽  
Self Assembled

Optical Properties of Sputtered Silver Granular Films

2005 ◽  
Vol 480-481 ◽  
pp. 287-292 ◽  
Author(s):  
S.E. Paje ◽  
F. Teran ◽  
J.M. Riveiro ◽  
J. Llopis ◽  
M.A. García ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Optical Properties ◽  
Optical Absorption ◽  
Surface Morphology ◽  
Silver Clusters ◽  
Plasmon Excitation ◽  
Granular Films ◽  
Silver Films ◽  
Atomic Force ◽  
Atomic Force Micrographs

In this research we study optical absorption and morphology of silver films prepared with a sputtering method. Silver granular films are obtained on a glass substrate for films with thickness smaller than about 60 Å. Superficial silver clusters of around 100 nm in diameter are clearly seen in the atomic force micrographs. The absorption of these samples are characterized by plasmon excitation in the 450-650 nm spectral range, which differs from the known excitation of silver nanoparticles fabricated by different techniques. The optical absorption of silver granular films depend on sputtering conditions like substrate temperature or deposition rate and correlates with the surface morphology.

Self-assembled silver nanoparticles for plasmon-enhanced solar cell back reflectors: correlation between structural and optical properties

2013 ◽  
Vol 24 (26) ◽  
pp. 265601 ◽  
Author(s):  
Seweryn Morawiec ◽  
Manuel J Mendes ◽  
Salvatore Mirabella ◽  
Francesca Simone ◽  
Francesco Priolo ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Optical Properties ◽  
Solar Cell ◽  
Structural And Optical Properties ◽  
Back Reflectors ◽  
Self Assembled

scholarly journals Silver nanoparticles: green synthesis, self-assembled nanostructures and their application as SERS substrates

2015 ◽  
Vol 39 (4) ◽  
pp. 2839-2846 ◽  
Author(s):  
Elias de Barros Santos ◽  
Natiara Vaughn Madalossi ◽  
Fernando Aparecido Sigoli ◽  
Italo Odone Mazali
Keyword(s):  
Silver Nanoparticles ◽  
Green Synthesis ◽  
Probe Molecules ◽  
Citrus Peel ◽  
Sers Substrates ◽  
Self Assembled ◽  
Raman Probe

Plasmonic silver nanoparticles synthesized using citrus peel extracts exhibit SERS activity for different Raman probe molecules.

Self-Assembled Silver Nanoparticles in a Bow-Tie Antenna Configuration

Small ◽  
2013 ◽  
Vol 10 (6) ◽  
pp. 1057-1062 ◽  
Author(s):  
Antti-Pekka Eskelinen ◽  
Robert J. Moerland ◽  
Mauri A. Kostiainen ◽  
Päivi Törmä
Keyword(s):  
Silver Nanoparticles ◽  
Antenna Configuration ◽  
Self Assembled ◽  
Bow Tie

QUENCHING OF SURFACE PLASMON MODES IN COLLOIDAL SILVER NANOPARTICLES ON OZONIZATION

NANO ◽  
2006 ◽  
Vol 01 (03) ◽  
pp. 229-234
Author(s):  
R. K. RAKSHIT ◽  
SAYANTANI BHATTACHARYA ◽  
R. C. BUDHANI
Keyword(s):  
Silver Nanoparticles ◽  
Laser Ablation ◽  
Surface Plasmon ◽  
Effective Medium Theory ◽  
Plasmon Mode ◽  
Colloidal Silver ◽  
Medium Theory ◽  
Bright Yellow ◽  
Plasmon Peak ◽  
Colloidal Silver Nanoparticles

Oxidation characteristics of colloidal silver nanoparticles produced by pulsed laser ablation in pure and chemically treated water are studied as a function of the degree of ozonization. The bright yellow colloidal solution of silver characterized by a sharp surface plasmon mode at ~400 nm, becomes colorless in the initial stages of O 3 flow, and then acquires a brown hue with a broad plasmon peak centered at ~440 to ~450 nm on further ozonization. The solution again becomes colorless in a few days once the O 3 flow is stopped. We present a qualitative model for the reaction dynamics and analyze the optical absorption in the framework of an effective medium theory. The aqueous phase laser ablation chemistry described here provides a unique means to produce ionic silver for enhanced antimicrobial effects.

Formation of Silver Nanoparticles and Self-Assembled Two-Dimensional Ordered Superlattice

Langmuir ◽  
2001 ◽  
Vol 17 (5) ◽  
pp. 1571-1575 ◽  
Author(s):  
Shengtai He ◽  
Jiannian Yao ◽  
Peng Jiang ◽  
Dongxia Shi ◽  
Haoxu Zhang ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Two Dimensional ◽  
Self Assembled

Mercury Detection with Ag Nanoparticles Reduced on Si Thin Films

2007 ◽  
Vol 1010 ◽  
Author(s):  
A. Kaan Kalkan
Keyword(s):  
Thin Films ◽  
Silver Nanoparticles ◽  
Immersion Time ◽  
Reduction Process ◽  
Blue Shift ◽  
Plasmon Mode ◽  
Au Nanoparticle ◽  
Plasmon Band ◽  
Mercury Detection ◽  
Silicon Thin Films

AbstractA surface plasmon resonance mercury sensor was demonstrated by electroless reduction of silver nanoparticles on amorphous silicon thin films. Unlike the previous Ag/Au nanoparticle - Hg interaction investigations, which monitored the blue shift of the dipolar plasmon band of well-dispersed nanoparticles, the present work reveals and explores the red shift of the symmetric hybrid plasmon mode of the interacting nanoparticles in response to Hg vapor exposure. Sensitivity to Hg was explored with varying nanoparticle size, which could be controlled by the immersion time associated with the reduction process. The recovery of the hybrid plasmon band after the Hg exposure was also monitored which was observed to be slower than the recovery of the dipolar plasmon band for noninteracting particles.

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