Cr3+/Er3+ co-doped LaAlO3 perovskite phosphor: a near-infrared persistent luminescence probe covering the first and third biological windows

Author:

Xu Jian12345ORCID,Murata Daisuke12345,Katayama Yumiko6785,Ueda Jumpei12345,Tanabe Setsuhisa12345

Affiliation:

1. Graduate School of Human and Environmental Studies

2. Kyoto University

3. Yoshida-nihonmatsu-cho

4. Kyoto 606-8501

5. Japan

6. Graduate School of Arts and Sciences

7. University of Tokyo

8. Tokyo 153-8902

Abstract

We have developed a novel persistent phosphor of LaAlO3 perovskite doped with Er3+, Cr3+ and Sm3+ (LAO:Er–Cr–Sm), which exhibits long persistent luminescence (PersL) at 1553 nm due to the Er3+:4I13/24I15/2 transition as well as at 734 nm due to the Cr3+:2E(2G) → 4A2(4F) transition.

Funder

Japan Society for the Promotion of Science

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Biomedical Engineering,General Chemistry,General Medicine

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