OPT OpenIR  > 光子功能材料与器件研究室
PDA modified NIR-II NaEr0.8Yb0.2F4 nanoparticles with high photothermal effect
Zhan, Weifan1,2; Zhao, Bin3; Cui, Xiaoxia1,2; Liu, Junsong4; Xiao, Xusheng1,2; Xu, Yantao1; She, Shengfei1,2; Hou, Chaoqi1,2; Guo, Haitao1,2
Department先进光电与生物材料研究室
2022-09-17
Source PublicationNANOTECHNOLOGY
ISSN0957-4484;1361-6528
Volume33Issue:38
Contribution Rank1
Abstract

Polydopamine (PDA)-modified NaEr(0.8)Yb(0.2 F4)nanoparticles were synthesized, with strong NIR-II emission, quantum yield of 29.63%, and excellent photothermal performance. Crystal phases and microstructures are characterized. Optical properties such as absorption, NIR-II emission, and light stability are studied, and the luminescence mechanism is discussed in detail. Key factors in NIR-II imaging were evaluated in fresh pork tissue, including penetration depth, spatial resolution, and signal-to-noise ratio (SNR). A high penetration depth of 5 mm and a high spatial resolution of 1 mm were detected. Mice are imaged in vivo after intravenous injection. Due to the accumulation of nanoparticles in the liver, high image quality with an SNR of 5.2 was detected in the abdomen of KM mice with hair. The photothermal conversion effect of PDA-modified NPs was twice that of the reported material. These NIR-II nanoparticles have superior optical properties, high photothermal efficiency and low cytotoxicity, and are potential fluorescent probes for further disease diagnosis and treatment.

Keywordnear-infrared-secondary rare earth nanoparticles fluorescence imaging light and heat
DOI10.1088/1361-6528/ac72b3
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000818105900001
PublisherIOP Publishing Ltd
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/96030
Collection光子功能材料与器件研究室
Corresponding AuthorCui, Xiaoxia
Affiliation1.Chinese Acad Sci, Xian Inst Opt & Fine Mech, Xian, Shanxi, Peoples R China
2.Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing, Peoples R China
3.Chinese Peoples Liberat Army, Gen Hosp, Med Ctr 4, Dept Sports Med, Beijing, Peoples R China
4.Jiaotong Univ, Affiliated Hosp 1, Xian Dept Otolaryngol Head & Neck Surg, Xian, Shanxi, Peoples R China
Recommended Citation
GB/T 7714
Zhan, Weifan,Zhao, Bin,Cui, Xiaoxia,et al. PDA modified NIR-II NaEr0.8Yb0.2F4 nanoparticles with high photothermal effect[J]. NANOTECHNOLOGY,2022,33(38).
APA Zhan, Weifan.,Zhao, Bin.,Cui, Xiaoxia.,Liu, Junsong.,Xiao, Xusheng.,...&Guo, Haitao.(2022).PDA modified NIR-II NaEr0.8Yb0.2F4 nanoparticles with high photothermal effect.NANOTECHNOLOGY,33(38).
MLA Zhan, Weifan,et al."PDA modified NIR-II NaEr0.8Yb0.2F4 nanoparticles with high photothermal effect".NANOTECHNOLOGY 33.38(2022).
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