Citation: Jing Juan XU, Hong Yuan CHEN, Rui Qun FANG. A New Thionine Modified Electrode by Anchorage to Bi-(2-aminoethyl)-aminodithiocarboxyl Acid Self-assembled Monolayers through Coordination with Cu²⁺[J]. Chinese Chemical Letters, ;1997, 8(11): 993-996. shu

A New Thionine Modified Electrode by Anchorage to Bi-(2-aminoethyl)-aminodithiocarboxyl Acid Self-assembled Monolayers through Coordination with Cu²⁺

Department of Chemistry, the State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing, 210093

Received Date: 7 July 1997

Fund Project: Supported by the National Natural Science Foundation of China.

A new method for preparing chemically modified gold electrode by anchoring thionine to self-assembled bi-(2-aminoethyl)-aminodithiocarboxyl acid(BADTC) monolayers through coordination with Cu²⁺ is described.This thionine modified electrode exhibits two new redox couples.Two protons were involved in the electrochemical process undergone by the couple I in the pH range of 5.0-10.0.The apparent surface electron transfer rate constant is about 0.050s^-1.
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