Self-monitored photothermal nanoparticles based on core-shell engineering

Nanoscale
Erving C XimendesDaniel Jaque

Abstract

The continuous development of nanotechnology has resulted in the actual possibility of the design and synthesis of nanostructured materials with pre-tailored functionabilities. Nanostructures capable of simultaneous heating and local thermal sensing are in strong demand as they would constitute a revolutionary solution to several challenging problems in bio-medicine, including the achievement of real time control during photothermal therapies. Several approaches have been demonstrated to achieve simultaneous heating and thermal sensing at the nanoscale. Some of them lack of sufficient thermal sensitivity and others require complicated synthesis procedures for heterostructure fabrication. In this study, we demonstrate how single core/shell dielectric nanoparticles with a highly Nd(3+) ion doped shell and an Yb(3+),Er(3+) codoped core are capable of simultaneous thermal sensing and heating under an 808 nm single beam excitation. The spatial separation between the heating shell and sensing core provides remarkable values of the heating efficiency and thermal sensitivity, enabling their application in single beam-controlled heating experiments in both aqueous and tissue environments.

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Citations

Jun 29, 2018·Nanoscale·Lucía Labrador-PáezDaniel Jaque
Nov 24, 2018·Nanoscale·Lucía Labrador-PáezDaniel Jaque
Mar 28, 2017·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Dongmei WangJun Lin
Oct 7, 2016·Advanced Materials·Blanca Del RosalEmma Martín Rodríguez
Apr 30, 2016·Optics Letters·Ruiyun HeDaniel Jaque
Oct 27, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Daqin ChenPing Huang
Jan 20, 2021·ACS Nano·Erving XimendesRiccardo Marin
Jul 15, 2020·ACS Applied Materials & Interfaces·Chan Ho ParkBumjoon J Kim
Nov 24, 2021·The Journal of Physical Chemistry. B·Micah E RaabParas N Prasad

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