SYNTHESIS OFLa@C2nBY DIRECTLa-FULLERENE REACTIONS IN THE LASER-ABLATION PLASMA OF ALa2O3/FULLERENE MIXTURE

Shihe Yang, Rongbin Huang and Wenyun Lu
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Shihe Yang: Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
Rongbin Huang: Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
Wenyun Lu: Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China

Surface Review and Letters (SRL), 1996, vol. 03, issue 01, 803-805

Abstract: Reaction of excimer laser (XeCl, 308 nm) vaporized and excited fullerenes withLawas carried out in a mixture of fullerenes andLa2O3. The reaction productsLa@C60,La@60−2n, andLa@C60+2mwere identified by a reflectron-type time-of-flight mass spectrometer (RTOFMS). The endohedral nature of these metallofullerenes is discussed in terms of a “window” mechanism. As an initial effort, a macroscopic amount ofLa@C2nwas also collected by this method and confirmed by laser-desorption time-of-flight mass analysis.

Date: 1996
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DOI: 10.1142/S0218625X96001455

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