Mesoporous Silica Beads Embedded with Semiconductor Quantum Dots and Iron Oxide Nanocrystals: Dual-Function Microcarriers for Optical Encoding and Magnetic Separation

Sathe, Tushar; Agrawal, Amit; Nie, Shuming

doi:10.1021/ac0610309

Public

Mesoporous Silica Beads Embedded with Semiconductor Quantum Dots and Iron Oxide Nanocrystals: Dual-Function Microcarriers for Optical Encoding and Magnetic Separation

Published in Analytical Chemistry • Jul 20, 2006

Authors:

Tushar Sathe

Amit Agrawal

Shuming Nie

Abstract

Mesoporous beads are promising materials for embedding functional nanoparticles because of their nanometer-sized pores and large surface areas. Here we report the development of silica microbeads embedded with both semiconductor quantum dots (QD) and iron oxide (Fe3O4) nanocrystals as a new class of...

Subject

Quantum dot

Superparamagnetism

Chemistry

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