Modified surface states of NaGdF4:Yb3+/Tm3+ up-conversion nanoparticles via a post-chemical annealing process

Author:

Min Qiuhong1234,Zhao Lei5674,Qi Yushuang1234,Lei Jing1234,Chen Wenbo89104,Xu Xuhui1234ORCID,Zhou Dacheng1234,Qiu Jianbei1234ORCID,Yu Xue1234ORCID

Affiliation:

1. Faculty of Materials Science and Engineering

2. Kunming University of Science and Technology

3. Kunming

4. China

5. School of Physics and Opto-Electronic Technology

6. Baoji University of Arts and Sciences

7. Baoji

8. Engineering Research Center of New Energy Storage Devices and Applications

9. Chongqing University of Arts and Sciences

10. Chongqing

Abstract

An amorphous layer acting as a quenching center at the surface of oleic acid-capped NaGdF4:Yb3+/Tm3+ nanoparticles is observed directly, which can be reconstructed via a novel post-chemical annealing process.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Yunnan Province

Kunming University of Science and Technology

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

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