ChemInform Abstract: DESIGN AND STUDY OF A PHOTOSENSITIVE INTERFACE‐ A DERIVATIZED N‐TYPE SILICON PHOTOELECTRODE

Abstract

Der kovalente Angriff eines photoelektrochemisch aktiven Ferrocen‐Derivats, nämlich 1 ,1′‐Ferrocendiyl‐dichlorsilan, auf die Oberfläche der n‐Typ‐Si‐Photoelektrode, der die Elektrode vor Zersetzung (SiO2‐Bildung) schützt, wird mittels cyclischer Voltammetrie untersucht und diskutiert.

Quantitative Characterization of the Flexibility of Poly(ethylene glycol) Chains Attached to a Glassy Carbon Electrode

“…9 Even at low potential scan rates such an almost ideal behavior is not commonly observed 10,11 when redox centers are attached through long arms at an electrode surface. 1,4,[12][13][14][15][16][17][18][19][20][21][22] It indicates a homogeneous environment around the redox centers and an absence of interactions between them. 23 The same conclusions are no longer valid when the solvent and supporting electrolyte are water and 1 M NaClO 4 instead of CH 2 Cl 2 and 0.5 M NBu 4 PF 6 .…”

Sol−Gel Materials in Electrochemistry

“…They used ferrocenyl containing precursors such as (1,1′-ferrocenediyl)dichlo-rosilane or 1,1′-bis(triethoxysilyl)ferrocene to prevent oxidation of the photoanodes (e.g., Ge and Si). [25][26][27] Despite the fact that the stability of the protective films were much inferior to current sol-gel technology-based films, they exemplified the possible incorporation of active corrosion-preventive organo-functional groups in corrosion-protective films by covalent linkage.…”

“…20,24 Later, Wrighton and co-workers applied chloro-or ethoxysilylferrocene modifiers on inert metals and ntype semiconductors. [25][26][27] Since it is likely that film formation in Wrighton's and Murray's studies were preceded by polycondensation and sol formation, these studies can be regarded as the first electrochemical investigations of sol-gel derived materials, though the terminology sol-gel was never mentioned in these studies.…”

A stable surface modified platinum electrode prepared by coating with electroactive polymer

“…The PVF-coated electrode in many respects resembles the Pt electrode modified by chemically bound silylferrocene recently described by Wrighton and coworkers. 13 It is very durable. After standing in ACN solution for 24 h, the electrode behavior was practically unchanged; when repeated cyclic voltammograms were taken between -0.3 and +0.7 V, only a 12% drop of the integrated peak current was observed after 250 cycles at 200 mV/s (Figure lb).…”