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Acta Physico-Chimica Sinica  2003, Vol. 19 Issue (10): 896-901    DOI: 10.3866/PKU.WHXB20031003
Article     
Adsorption of Methylene Blue on the Muscovite
Zhao Li-Yan;Wang Xue-Kai;Guo Yu-Guo;Wu Nian-Zu;Xie You-Chang
Institute of Physical Chemistry, College of Chemistry & Molecular Engineering, Peking University, Beijing 100871; Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080
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Abstract  The electron structures of MB molecule and MB adsorbed on the mica surface were measured by XPS to determine how the chemical environment is changed when MB was adsorbed on the mica surface. We concluded that the nitrogen atom of the dimethylamino- is the adsorption site for the MB molecule. From AFM image of MB adsorbed on the mica surface, its corresponding height averages to 0.820 nm. This agrees well with the model proposed by Hähner, that the MB molecules are tilted with their largest face inclined at 65~70° with respect to the surface of mica.

Key wordsMethylene blue      Muscovite      XPS      AFM      Adsorption     
Received: 11 March 2003      Published: 15 October 2003
Corresponding Authors: Wu Nian-Zu     E-mail: wunz@chem.pku.edu.cn
Cite this article:

Zhao Li-Yan;Wang Xue-Kai;Guo Yu-Guo;Wu Nian-Zu;Xie You-Chang. Adsorption of Methylene Blue on the Muscovite. Acta Physico-Chimica Sinica, 2003, 19(10): 896-901.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20031003     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2003/V19/I10/896

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