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Citation: HU Jing, YANG Mei-Ni, LU Feng-Ting, DING Li-Ping, ZHANG Shu-Juan, FANG Yu. Monolayer Assembly of Pyrene on Glass Plate Surface and Its Selective Sensing Performances to Organic Copper (II) Salts[J]. Acta Physico-Chimica Sinica, ;2007, 23(12): 1839-1845. doi: 10.1016/S1872-1508(07)60087-4 shu

Monolayer Assembly of Pyrene on Glass Plate Surface and Its Selective Sensing Performances to Organic Copper (II) Salts

1.
Key Laboratory of Applied Surface and Colloid Chemistry of the Ministry of Education, School of Chemistry and Materials Science, Shaanxi Normal University, Xi’an 710062, P. R. China

Received Date: 4 July 2007
Available Online: 11 September 2007

A novel fluorescent sensing film was developed by covalently attaching pyrene moieties onto a glass plate surface via triethylenetetramine in a self-assembled monolayer manner. Fluorescence measurements demonstrated that the emission of the filmcould be quenched by organic copper (II) salts, including copper acetate, copper tartrate, and copper citrate, with high selectivity and sensitivity, and the response of the film to Cu (Ac)2 is fully reversible. In contrast, the presence of inorganic copper salts, such as Cu(NO3)2, CuSO4, and CuCl2, showed lower quenching efficiency. The sensing performance of the filmto Cu(Ac)2 is slightly influenced by other divalentmetal acetates, including Zn(Ac)2, Pb(Ac)2, Co(Ac)2, and Ni(Ac)2. Furthermore, the quenching of Cu(Ac)2 to the emission of the filmis static in nature.
- Pyrene; Fluorescent sensing film; Organic copper salts; Single-layer chemistry
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