Pulsed laser assisted synthesis of Ho3+/Yb3+ codoped CaMoO4 nanocolloid and its upconversion luminescence

Kyoungwon Cho; Jaeha Choi; Sungwook Mhin; Kang Min Kim; Jung Il Lee; Jeong Ho Ryu

doi:10.1116/1.4922024

Pulsed laser assisted synthesis of Ho³⁺/Yb³⁺ codoped CaMoO₄ nanocolloid and its upconversion luminescence

Kyoungwon Cho, Jaeha Choi, Sungwook Mhin, Kang Min Kim, Jung Il Lee, Jeong Ho Ryu

Department of Energy and Materials Engineering

Research output: Contribution to journal › Article › peer-review

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Abstract

The authors report a novel synthetic route for Ho³⁺/Yb³⁺ codoped calcium molybdate (CaMoO₄) nanoparticles by pulsed laser ablation in ethanol. Well-dispersed Ho³⁺/Yb³⁺ codoped CaMoO₄ nanocolloid was prepared without any surfactant. Crystallographic information, microstructure, and the upconversion (UC) luminescent properties of the nanocolloid were investigated. Under the excitation at 980 nm, Ho³⁺/Yb³⁺ codoped CaMoO₄ nanocolloid exhibited strong yellow emission visible to the naked eyes, which is the combination of green emission near 542nm and strong red emission around 656 nm. Based on the pump power dependence, UC mechanism of Ho³⁺/Yb³⁺ codoped CaMoO₄ nanocolloid was discussed in detail.

Original language	English
Article number	041201
Journal	Journal of Vacuum Science and Technology B
Volume	33
Issue number	4
DOIs	https://doi.org/10.1116/1.4922024
State	Published - 1 Jul 2015

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title = "Pulsed laser assisted synthesis of Ho3+/Yb3+ codoped CaMoO4 nanocolloid and its upconversion luminescence",

abstract = "The authors report a novel synthetic route for Ho3+/Yb3+ codoped calcium molybdate (CaMoO4) nanoparticles by pulsed laser ablation in ethanol. Well-dispersed Ho3+/Yb3+ codoped CaMoO4 nanocolloid was prepared without any surfactant. Crystallographic information, microstructure, and the upconversion (UC) luminescent properties of the nanocolloid were investigated. Under the excitation at 980 nm, Ho3+/Yb3+ codoped CaMoO4 nanocolloid exhibited strong yellow emission visible to the naked eyes, which is the combination of green emission near 542nm and strong red emission around 656 nm. Based on the pump power dependence, UC mechanism of Ho3+/Yb3+ codoped CaMoO4 nanocolloid was discussed in detail.",

author = "Kyoungwon Cho and Jaeha Choi and Sungwook Mhin and Kim, {Kang Min} and Lee, {Jung Il} and Ryu, {Jeong Ho}",

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T1 - Pulsed laser assisted synthesis of Ho3+/Yb3+ codoped CaMoO4 nanocolloid and its upconversion luminescence

AU - Cho, Kyoungwon

AU - Choi, Jaeha

AU - Mhin, Sungwook

AU - Kim, Kang Min

AU - Lee, Jung Il

AU - Ryu, Jeong Ho

PY - 2015/7/1

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N2 - The authors report a novel synthetic route for Ho3+/Yb3+ codoped calcium molybdate (CaMoO4) nanoparticles by pulsed laser ablation in ethanol. Well-dispersed Ho3+/Yb3+ codoped CaMoO4 nanocolloid was prepared without any surfactant. Crystallographic information, microstructure, and the upconversion (UC) luminescent properties of the nanocolloid were investigated. Under the excitation at 980 nm, Ho3+/Yb3+ codoped CaMoO4 nanocolloid exhibited strong yellow emission visible to the naked eyes, which is the combination of green emission near 542nm and strong red emission around 656 nm. Based on the pump power dependence, UC mechanism of Ho3+/Yb3+ codoped CaMoO4 nanocolloid was discussed in detail.

AB - The authors report a novel synthetic route for Ho3+/Yb3+ codoped calcium molybdate (CaMoO4) nanoparticles by pulsed laser ablation in ethanol. Well-dispersed Ho3+/Yb3+ codoped CaMoO4 nanocolloid was prepared without any surfactant. Crystallographic information, microstructure, and the upconversion (UC) luminescent properties of the nanocolloid were investigated. Under the excitation at 980 nm, Ho3+/Yb3+ codoped CaMoO4 nanocolloid exhibited strong yellow emission visible to the naked eyes, which is the combination of green emission near 542nm and strong red emission around 656 nm. Based on the pump power dependence, UC mechanism of Ho3+/Yb3+ codoped CaMoO4 nanocolloid was discussed in detail.

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Pulsed laser assisted synthesis of Ho³⁺/Yb³⁺ codoped CaMoO₄ nanocolloid and its upconversion luminescence

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