UNSPECIFIED (1991) REINVESTIGATION OF THE NICKEL PHOSPHINE CATALYZED ELECTROCHEMICAL SYNTHESIS OF POLY(2,5-PYRIDINE) - X-RAY CRYSTAL-STRUCTURES OF [NI2BR2(MU-5-BRC5H3N-C2,N)2(PPH3)2] AND [PTBR(5-BRC5H3N-C2)(PPH3)2]. JOURNAL OF MATERIALS CHEMISTRY, 1 (4). pp. 569-576. ISSN 0959-9428

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Abstract

Poly(2,5-pyridine) films have been deposited on glassy carbon, platinum and gold electrodes by the electroreduction of a novel binuclear nickel complex, trans(P,N)-bis[bromo(mu-5-bromopyridyl-C2,N)(triphenylphosphine) nickel(II)]. The synthesis, characterisation and electropolymerisation of this complex are described. The results from analytical and electrochemical investigations of poly(2,5-pyridine) are presented. The resultant poly(2,5-pyridine)-modified electrodes display electroactivity in their reduced state and co-ordinate nickel ions. The synthesis and electrochemistry of the analogous platinum and palladium complexes are also discussed. The X-ray crystal structures of the Ni and Pt complexes have been determined. The binuclear Ni complex contains Ni-(C5H4N)-Ni bridges, and the Ni atoms are also co-ordinated by one Br and one PPh3. The platinum complex is mononuclear with the Pt bound to the C2 of the pyridyl ring, to Br and to two trans PPh3 groups.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General)
Journal or Publication Title:	JOURNAL OF MATERIALS CHEMISTRY
Publisher:	ROYAL SOC CHEMISTRY
ISSN:	0959-9428
Date:	July 1991
Volume:	1
Number:	4
Number of Pages:	8
Page Range:	pp. 569-576
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/22578

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