Solution cyclic voltammograms tetrabutylammonium

FIG. 6 Typical cyclic voltammogram obtained for the transfer of pilocarpine hydrochloride at the water-DCE interface. The organic phase contains 0.01 M tetrabutylammonium tetrakis(4-chloro-phenyl)borate, the aqueous solution is 0.01 M HCl + 0.2 mM pilocarpine hydrochloride, and the sweep rate is fixed at 10, 25, 75, 100, and 150mV/s. (Reprinted from Ref. 229.)... 

Figure 3.55 Cyclic voltammograms or Re(Bipy)(CO)3CI in CHjCN/O.l M tetrabutylammonium hexafluorophosphate as supporting electrolyte at a button Pt electrode, and with a sweep rate of 200mV s"(a) The switching potential characteristics of the coupled chemical reactions in the ahsence of C02. The lettered redox processes are discussed in the text, (b) The effect of saturating the solution with C02. From Sullivan et al (19155).

Figure 12.7 Cyclic voltammograms for the oxidation of 10 mM TCNQ in acetonitrile at a 12.4-pim-radius Pt disk electrode. Concentration of the supporting electrolyte, tetrabutylammonium perchlorate (A) 100 mM (B) 1 mM (C) 0 mM. The solutions were purged with N2. [From Ref. 75, reproduced with permission of the copyright holder.]...

Interface between two immiscible electrolyte solutions — Figure. Cyclic voltammograms of 0.1 M LiCl in water and 0.01 M tetrabutylammonium tetraphenylb orate (—) or tetrapentylammo-nium tetrakis[3)5-bis(trifluoromethyl)-phenyl]borate ( ) in o-NPOE at a sweep rate of 20 mV s-1, interfacial area 0.14 cm2. Reprinted with permission from [vii]. 1998 Elsevier B.V. 

Comparing the cyclic voltammograms of hydroorgano- and diorganodichlorosilanes in 0 1 M solution of tetrabutylammonium perchlorate (TBAP) in dimethoxyethane (DME), we found the former to show reduction at much lower potentials. Therefore, cathodic precipitation of magnesium occurs to a larger extent, thus leading to lower yields of poly(hydrosilanes). 

FIG. 7 Cyclic voltammogram of a self-assembled spherical gold microelectrode, (a) In a 7.5 mM aqueous solution of hexaamineruthenium(III) chloride and 1 M KC1 electrolyte. Electrode diameters, from top to bottom, 10, 5, 4, 3, 1.7 /rm. Scan rate 0.1 V/s. (b) In a 6.5 mM solution of tetracyanoquinodimethane in acetonitrile. Supporting electrolyte tetrabutylammonium tetrafluoroborate (0.1 M). Electrode diameter 6 /am. Scan rate 0.1 V/s. (Reprinted with permission from Ref. 20. Copyright 1997 American Chemical Society.)... 

Figure 6.1 Cyclic voltammograms recorded at a GC electrode without DPPH (left) and with 1 mM of DPPH (right) in a solution of CHjCN containing 0.1 M tetrabutylammonium hexafluorophosphate...

Figure 7 Cyclic voltammograms of a polypyrrole actuator in three diffeent analyte solutions p-toluenesulfonic acid sodium salt (PTSNa), tetramethylammoninm p-toluenesulfonate (TMAPTS), and tetrabutylammonium p-toluene sulfonate (TBAPTS). (Reproduced from Ref. 16. WUey Periodicals, Inc, 2004.)...

Electrochemical measurements were carried out at room temperature ( 25 °C) by using a Metrohm E/506 Polarecord, a Metrohm E/612 VA scanner, and a Hewlett-Packard 7044 x-y recorder. Cyclic voltammograms were obtained in acetonitrile solution by using a microcell equipped with a stationary platinum disk electrode, a platinum disk counter electrode, and a SCE reference electrode with tetrabutylammonium hexafluorophosphate as supporting electrolyte. In all cases [Ru(bpy)3](PFg)2 was used as a standard, taking its oxidation potential equal to +1260 mV vs SCE [22, 23] The electrochemical window examined was between +2.0 and -2.0 V. Scanning speed was 200 mV s. All the reported values are vs SCE. Half-wave potentials were calculated as an average of the cathodic and anodic peaks. 

Fig. 6.7 Effect of scan rate on cyclic voltammograms at permanently heated wire electrodes. CVs of reversible redox couples at different scan rates [(a) 20 V/s (b) 1 V/s (c) 100 mV/s]. Left-. [Ru (NHs) ] (1 mmolA) in aqueous KCl solution (0.1 molA) at a Pt wire 0.25 pm in diameter, reference electrode SCE, temperature 49 °C. Right Ferrocene (2 mmol/l) in DMF with suppmting electrolyte tetrabutylammonium fluoroborate (NBU4BF4) 0.5 mol/l, temperature 56 °C, reftaence electrode Ag/0.01 MAg /0.1 M NBu4BF4/MeCN/A).l M NBu4BF4/DMF. From [14], with permission...

---