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Influence of the modifiers on the luminescence properties of the nanoparticles was investigated. The as\u2010prepared nanoparticles had a similar size and dispersion with an irregular spherical shape, which reduced the influence of particle size on the luminescence of the nanoparticles. The luminescence spectra of these nanoparticles showed the characteristic luminescence of the central lanthanide ions under excitation of the maximum excitation wavelength. Compared with nanoparticles modified by the NTA ligand, nanoparticles modified by the PBTA ligand possessed stronger luminescence intensity for the doping Nd<jats:sup>3+<\/jats:sup> or Er<jats:sup>3+<\/jats:sup> ions.<\/jats:p>","DOI":"10.1002\/bio.3963","type":"journal-article","created":{"date-parts":[[2020,10,17]],"date-time":"2020-10-17T05:17:00Z","timestamp":1602911820000},"page":"454-459","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Enhanced luminescence of CaF<sub>2<\/sub>:Er<sup>3+<\/sup>\/Nd<sup>3+<\/sup> nanoparticles coated by fluorinated \u03b2\u2010diketone"],"prefix":"10.1002","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2312-8598","authenticated-orcid":false,"given":"Limei","family":"Song","sequence":"first","affiliation":[{"name":"School of Chemical Engineering Xi'an University  Xi'an 710065 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sinan","family":"Lu","sequence":"additional","affiliation":[{"name":"School of Chemical Engineering Xi'an University  Xi'an 710065 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ying","family":"Shi","sequence":"additional","affiliation":[{"name":"School of Chemical Engineering Xi'an University  Xi'an 710065 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Youlu","family":"Fang","sequence":"additional","affiliation":[{"name":"School of Chemical Engineering Xi'an University  Xi'an 710065 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuan","family":"Jia","sequence":"additional","affiliation":[{"name":"School of Chemical Engineering Xi'an University  Xi'an 710065 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gang","family":"Zhu","sequence":"additional","affiliation":[{"name":"School of Chemical Engineering Xi'an University  Xi'an 710065 China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiangtao","family":"Li","sequence":"additional","affiliation":[{"name":"School of Chemical Engineering Xi'an University  Xi'an 710065 China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2020,12,24]]},"reference":[{"key":"e_1_2_6_2_1","first-page":"102","volume":"2347","author":"Kuriki K.","year":"2002","journal-title":"Chem. 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