OPTICAL TRAPPING OF CARBON NANOTUBES AND GRAPHENE

被引：2

作者：

Vasi, S. ^{[1
,2
]}

Monaca, M. A. ^{[1
,2
]}

Donato, M. G. ^{[1
]}

Bonaccorso, F. ^{[3
]}

Privitera, G. ^{[3
]}

Trushkevych, O. ^{[3
]}

Calogero, G. ^{[1
]}

Fazio, B. ^{[1
]}

Irrera, A. ^{[1
]}

Iati, M. A. ^{[1
]}

Saija, R. ^{[2
]}

Denti, P. ^{[2
]}

Borghese, F. ^{[2
]}

Jones, P. H. ^{[4
]}

Ferrari, A. C. ^{[3
]}

Gucciardi, P. G. ^{[1
]}

Marago, O. M. ^{[1
]}

机构：

[1] CNR IPCF, Ist Processi Chimico Fisici, Consiglio Nazl Ric, I-98158 Messina, Italy

[2] Univ Studi Messina, Dipartimento Fis Mat & Ingn Elett, I-98166 Messina, Italy

[3] Univ Cambridge, Dept Engn, Cambridge CB3 0FA, England

[4] UCL, Dept Phys & Astron, London WC1E 6BT, England

来源：

ATTI ACCADEMIA PELORITANA DEI PERICOLANTI-CLASSE DI SCIENZE FISICHE MATEMATICHE E NATURALI | 2011年 / 89卷

关键词：

D O I：

10.1478/C1V89S1P090

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We study optical trapping of nanotubes and graphene. We extract the distribution of both centre-of-mass and angular fluctuations from three-dimensional tracking of these optically trapped carbon nanostructures. The optical force and torque constants are measured from auto and cross-correlation of the tracking signals. We demonstrate that nanotubes enable nanometer spatial, and femto-Newton force resolution in photonic force microscopy by accurately measuring the radiation pressure in a double frequency optical tweezers. Finally, we integrate optical trapping with Raman and photoluminescence spectroscopy demonstrating the use of a Raman and photoluminescence tweezers by investigating the spectroscopy of nanotubes and graphene flakes in solution. Experimental results are compared with calculations based on electromagnetic scattering theory.

引用

页数：5

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