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Article Dans Une Revue ACS Applied Materials & Interfaces Année : 2015

Electropolymerized Highly Photoconductive Thin Films of Cyclopalladated and Cycloplatinated Complexes

Résumé

The complete characterization of novel electro-polymerizable organometallic complexes is presented. These are newly synthesized cyclometalated complexes of general formula (PPy)M(O∧N) n (H(PPy) = 2-phenylpyridine, M = Pd(II) or Pt(II), H(O∧N) n = Schiff base). Polymeric thin films have been obtained from these complexes by electro-polymerization of the triphenylamino group grafted onto the H(O∧N) n ancillary ligand. The redox behavior and the photoconductivity of both of the monomers (PPy)M(O∧N) n and the electropolymerized species have been investigated. The polymeric films of (PPy)M(O∧N) n have shown a very significant enhancement of photoconductivity when compared to their monomeric amorphous counterparts. The high stability of the obtained films strongly suggests that electropolymerization of cyclometalated complexes represents a viable deposition technique of quality thin films with improved photoconduction properties, hence opening the door to a new class of materials with suitable properties for optoelectronic applications.

Domaines

Chimie organique
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Dates et versions

hal-01157778 , version 1 (28-05-2015)

Identifiants

Citer

Andreea Ionescu, Raffaella Lento, Iolinda Aiello, Roberto Termine, Attilio Golemme, et al.. Electropolymerized Highly Photoconductive Thin Films of Cyclopalladated and Cycloplatinated Complexes. ACS Applied Materials & Interfaces, 2015, 7 (7), pp.4019-4028. ⟨10.1021/am506984m⟩. ⟨hal-01157778⟩
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