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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.115  No.1348 (December) (2007)  >  pp.993-995

Journal of the Ceramic Society of Japan
<<Previous article Vol.115  No.1348 (December) (2007)   pp.993 - 995 Next article>>

Coating of ZnO Chip with Carbon and Its Effect on Longevity of a Cut Flower

Osamu YAMAMOTO1), Burak ÖZKAL2), Wei JIANG1), Toshiaki OHIRA1) and Zenbe-e NAKAGAWA1)
1) Center for Geo-Environmental Science, Faculty of Engineering and Resource Science, Akita University
2) Metallurgical and Materials Engineering Department, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University


  Carbon film was coated on the surface of ZnO chip by pyrolysis of poly(vinyl alcohol) with different polymerization degrees, and then longevity of a cut flower, such as carnation, was studied by adding carbon-coated ZnO chip in the vase filled with distilled water. In the results of optimum condition for coating ZnO with carbon, it was clarified that poly(vinyl alcohol) with polymerization degree of 2000 was suitable for forming homogeneously carbon at every portion in ZnO chip. From observation of carnation, it was found that the formation of carbon on ZnO chip was effective for longevity of a cut flower.



Keyword:
Carbon, Film,Coating, ZnO, Longevity, Flower

Received: June 19, 2007
Accepted: October 18, 2007 , Published online: December 01, 2007
Copyright (c) 2007 The Ceramic Society of Japan

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