Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/85408
Title: Determination of size and refractive index of single gold nanoparticles using an optofluidic chip
Authors: Shi, Yu Zhi
Xiong, Sha
Chin, Lip Ket
Zhang, Jing Bo
Ser, Wee
Wu, Jiu Hui
Chen, Tian Ning
Yang, Zhen Chuan
Hao, Yi Long
Liu, Ai Qun
Keywords: Polymers
Chromatography
DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2017
Source: Shi, Y. Z., Xiong, S., Chin, L. K., Zhang, J. B., Ser, W., Wu, J. H., . . . Liu, A. Q. (2017). Determination of size and refractive index of single gold nanoparticles using an optofluidic chip. AIP Advances, 7(9), 095024-. doi:10.1063/1.5004727
Series/Report no.: AIP Advances
Abstract: We report a real-time method to determine the size, i.e. diameter, and refractive index of single gold nanoparticles using an optofluidic chip, which consists of a quasi-Bessel beam optical chromatography. The tightly focused (∼ 0.5 μm) quasi-Bessel beam with low divergence (NA ∼ 0.04) was used to trap sub-100 nm gold nanoparticles within a long trapping distance of 140 μm. In the experiment, 60 to 100 nm gold nanoparticles were separated efficiently with at least 18 μm. The diameter and refractive index (real and imaginary) of single gold nanoparticles were measured at high resolutions with respect to the trapping distance, i.e. 0.36 nm/μm, 0.003/μm and 0.0016/μm, respectively.
URI: https://hdl.handle.net/10356/85408
http://hdl.handle.net/10220/48216
DOI: 10.1063/1.5004727
Rights: © 2017 The Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

SCOPUSTM   
Citations 20

2
checked on Sep 3, 2020

WEB OF SCIENCETM
Citations 20

2
checked on Sep 24, 2020

Page view(s) 20

96
checked on Sep 28, 2020

Download(s) 20

15
checked on Sep 28, 2020

Google ScholarTM

Check

Altmetric


Plumx

Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.