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Sökning: onr:"swepub:oai:DiVA.org:kth-334748" > Suppression of Cati...

Suppression of Cation Intermixing Highly Boosts the Performance of Core-Shell Lanthanide Upconversion Nanoparticles

Huang, Fuhua (författare)
KTH,Tillämpad fysik,Henan Univ, Coll Chem & Mol Sci, Kaifeng 475004, Henan, Peoples R China.;Henan Univ, Henan Ctr Outstanding Overseas Scientists, Kaifeng 475004, Peoples R China.
Bagheri, Niusha (författare)
KTH,Kvant- och biofotonik
Wang, Li (författare)
Henan Univ, Coll Chem & Mol Sci, Kaifeng 475004, Henan, Peoples R China.;Henan Univ, Henan Ctr Outstanding Overseas Scientists, Kaifeng 475004, Peoples R China.
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Agren, Hans (författare)
Henan Univ, Coll Chem & Mol Sci, Kaifeng 475004, Henan, Peoples R China.;Henan Univ, Henan Ctr Outstanding Overseas Scientists, Kaifeng 475004, Peoples R China.
Zhang, Jinglai (författare)
Henan Univ, Coll Chem & Mol Sci, Kaifeng 475004, Henan, Peoples R China.;Henan Univ, Henan Ctr Outstanding Overseas Scientists, Kaifeng 475004, Peoples R China.
Pu, Rui (författare)
South China Normal Univ, South China Acad Adv Optoelect, Ctr Opt & Electromagnet Res, Guangdong Prov Key Lab Opt Informat Mat & Technol, Guangzhou 510006, Peoples R China.
Zhan, Qiuqiang (författare)
South China Normal Univ, South China Acad Adv Optoelect, Ctr Opt & Electromagnet Res, Guangdong Prov Key Lab Opt Informat Mat & Technol, Guangzhou 510006, Peoples R China.;South China Normal Univ, Guangdong Engn Res Ctr Optoelect Intelligent Infor, MOE Key Lab Laser Life Sci, Guangzhou 510631, Peoples R China.
Jing, Yuhan (författare)
Dalian Minzu Univ, Sch Phys & Mat Engn, Key Lab New Energy & Rare Earth Resource Utilizat, Key Lab Photosensit Mat & Devices Liaoning Prov,St, 18 Liaohe West Rd, Dalian, Peoples R China.
Xu, Wen (författare)
Dalian Minzu Univ, Sch Phys & Mat Engn, Key Lab New Energy & Rare Earth Resource Utilizat, Key Lab Photosensit Mat & Devices Liaoning Prov,St, 18 Liaohe West Rd, Dalian, Peoples R China.
Widengren, Jerker (författare)
KTH,Kvant- och biofotonik
Liu, Haichun (författare)
KTH,Kvant- och biofotonik
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 (creator_code:org_t)
American Chemical Society (ACS), 2023
2023
Engelska.
Ingår i: Journal of the American Chemical Society. - : American Chemical Society (ACS). - 0002-7863 .- 1520-5126. ; 145:32, s. 17621-17631
Relaterad länk:
https://urn.kb.se/re...
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https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Lanthanide upconversion nanoparticles (UCNPs) have beenextensivelyexplored as biomarkers, energy transducers, and information carriersin wide-ranging applications in areas from healthcare and energy toinformation technology. In promoting the brightness and enrichingthe functionalities of UCNPs, core-shell structural engineeringhas been well-established as an important approach. Despite its importance,a strong limiting issue has been identified, namely, cation intermixingin the interfacial region of the synthesized core-shell nanoparticles.Currently, there still exists confusion regarding this destructivephenomenon and there is a lack of facile means to reach a delicatecontrol of it. By means of a new set of experiments, we identify andprovide in this work a comprehensive picture for the major physicalmechanism of cation intermixing occurring in synthesis of core-shellUCNPs, i.e., partial or substantial core nanoparticle dissolutionfollowed by epitaxial growth of the outer layer and ripening of theentire particle. Based on this picture, we provide an easy but effectiveapproach to tackle this issue that enables us to produce UCNPs withhighly boosted optical properties.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Nanoteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Nano-technology (hsv//eng)

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