NEW MATERIAL:A substituted tetracyanoquinodimethane (TCNQ) complex consisting of N-n-butylisoquinoline and 2-methyl-7,7,8,8-tetracyanoquinodimethane or 2,5-dimethyl-7,7,8,8-tetracyanoquinodimethane. USE:A highly functional electrically conductive molecular film and nonlinear optical material effective for design of high-order molecular aggregates having electronic function, e.g. application thereof to molecular elements and biological elements, and organic fields of organic semiconductors, e.g. solid electrolytes in electrolytic capacitors and batteries or cells. PREPARATION:For example, N-n-butylisoquinolinium iodide D+I- is reacted with a neutral MTCNQ expressed by formula II or neutral DMTCNQ expressed by formula III at 3:4 molar ratio to afford the aimed substituted TCNQ complex.
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