Breaking the diffraction limit in absorption spectroscopy using upconverting nanoparticles-Reference-Cited by-同舟云学术

Breaking the diffraction limit in absorption spectroscopy using upconverting nanoparticles

Published:2021 Issue:27 Volume:13 Page:11856-11866
ISSN:2040-3364
Container-title:Nanoscale
language:en
Short-container-title:Nanoscale

Author:

Kumar Sumeet¹,M. Gunaseelan¹,Vaippully Rahul¹,Banerjee Ayan²^ORCID,Roy Basudev¹^ORCID

Affiliation:

1. Department of Physics, Quantum Centres in Diamond and Emergent Materials (QuCenDiEM)-group, Micro Nano and Bio-Fluidics (MNBF)-Group, Indian Institute of Technology Madras, Chennai, 600036, India

2. Department of Physical Sciences, Indian Institute of Science Education and Research, Kolkata, 741246, India

Abstract

We employ a single optically trapped upconverting nanoparticle (UCNP) of NaYF4:Yb,Er of diameter about 100 nm as a subdiffractive source to perform absorption spectroscopy.

Funder

Indian Institute of Technology Madras

Department of Biotechnology, Ministry of Science and Technology

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

Link

http://pubs.rsc.org/en/content/articlepdf/2021/NR/D1NR02103F

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