Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 6, Issue 3, Pages 1462-1469Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am4037417
Keywords
interfacial self-assembly; gadolinium oxide; gadolinium hydroxide; bilayer nanofilm; photoluminescence properties
Funding
- National Natural Science Foundation of China [51372040, 21001028, 91123006, 51002032]
- Innovation Program of Shanghai Municipal Education Commission [14ZZ003]
- National Basic Research Program of China [2012CB932303]
- Shanghai Pujiang Program [12PJ1400300]
- Science and Technology Commission of Shanghai Municipality [11520706200]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
- Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning [NCET-11-0102]
- Program for New Century Excellent Talents in University [NCET-11-0102]
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This paper presents a simple and effective oil-water interfacial self-assembly strategy to fabricate monolayer and bilayer nanofilms of densely packed Gd2O3:0.05X(3+) (X = Eu, Tb) nanorods with characteristic luminescence properties. In this process, Gd2O3:0.05X(3+) (X = Eu, Tb) nanotubes synthesized by a hydrothermal method are dispersed in deionized water; then, a certain amount of n-hexane is added to produce a hexane-water interface. With n-butanol added as initiator, the nanotubes are gradually trapped at the interface to form a densely packed nanofilm. A monolayer nanofilm of densely packed Gd2O3:0.05Eu(3+) nanorods is obtained after annealing. In addition, the bilayer nanofilm composed of Gd2O3:0.05X(3+) (X = Eu, Tb) nanorods still retains the luminescence properties of each monolayer nanofilm. Moreover, the adhesion of the film on the substrate is very strong, which is extremely beneficial for its future applications.
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