Volume 5, Issue 18 pp. 2057-2060
Communication

Solid-to-Hollow Single-Particle Manipulation of a Self-Assembled Luminescent NaYF4:Yb,Er Nanocrystal Monolayer by Electron-Beam Lithography

Wei Feng

Wei Feng

Beijing National Laboratory for Molecular Sciences State Key Laboratory of Rare Earth Materials Chemistry and Applications PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry Peking University Beijing 100871 (P. R. China)

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Ling-Dong Sun

Corresponding Author

Ling-Dong Sun

Beijing National Laboratory for Molecular Sciences State Key Laboratory of Rare Earth Materials Chemistry and Applications PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry Peking University Beijing 100871 (P. R. China)

Beijing National Laboratory for Molecular Sciences State Key Laboratory of Rare Earth Materials Chemistry and Applications PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry Peking University Beijing 100871 (P. R. China).Search for more papers by this author
Ya-Wen Zhang

Ya-Wen Zhang

Beijing National Laboratory for Molecular Sciences State Key Laboratory of Rare Earth Materials Chemistry and Applications PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry Peking University Beijing 100871 (P. R. China)

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Chun-Hua Yan

Corresponding Author

Chun-Hua Yan

Beijing National Laboratory for Molecular Sciences State Key Laboratory of Rare Earth Materials Chemistry and Applications PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry Peking University Beijing 100871 (P. R. China)

Beijing National Laboratory for Molecular Sciences State Key Laboratory of Rare Earth Materials Chemistry and Applications PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry Peking University Beijing 100871 (P. R. China).Search for more papers by this author
First published: 14 September 2009
Citations: 60

Grants-in-aids from NSFC (Nos. 20671005, 20821091, and 20731160001) and MOST of China (2006CB601104) are gratefully acknowledged.

Graphical Abstract

A hollow victory: Hollow-sphere nanocrystals are fabricated by electron-beam lithography in a self-assembled luminescent NaYF4:Yb,Er nanocrystal monolayer (see picture). The formation mechanism is a heat-induced inner acid-etching process. Pattern formation can be achieved with single-nanoparticle resolution. The 20-nm β-NaYF4:Yb,Er nanocrystal monolayer acts as a data-storage medium.

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