Mn+2 + 4 H2O If 3.05 g of KMnO4 are reduced to Mn+2, how many coulombs of charge is required? What is the oxidation number of carbon in the oxalate ion? What is the charge carried by electrons as 0.120 mole of Cr(s) is oxidized to Cr^{3+}(aq)? Determin...
We have found that spinel AlV2O4 shows a phase transition at ∼700 K with anomalies of transport and magnetic properties. It is clarified that this corresponds to a charge-ordering transition, where the V2.5+ ions are separated into three V2.5-δ ions and one V2.5+3δ ion. This three...
Some fragmenting [C7]++ ions are linear; in certain cases they have cyclic structures while in others 'coiling' of a linear ion to allow hydrogen transfer in the transition state is suggested. From relative metastable ion abundance data it is apparent that nearly complete H/D randomization ...
Surface charge of biological and medical nanocarriers has been demonstrated to play an important role in cellular uptake. Owing to the unique physicochemical properties, charge-reversal delivery strategy has rapidly developed as a promising approach for drug delivery application, especially for cancer treat...
In organic solar cells, the charge-transfer (CT) electronic states that form at the interface between the electron-donor (D) and electron-acceptor (A) materials have a crucial role in exciton-dissociation, charge-separation and charge-recombination processes. Since the introduction of active layers...
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Cr: YAG and Cr, Nd: YAG transparent ceramics have significant application prospects in solid state lasers, therefore a controllable charge state of Cr ion in Cr doped YAG transparent ceramics is necessary. In this study, a successful regulation of Cr charge state in both Cr, Nd: YAG and Cr...
Salts of the radical TDTD anion have also been synthesised and evaluated using bis(benzene)chromium(I) 5. These salts are shown to be [Cr(C6H6)2][TDTD] complexes, as reported by Shuku et al.,13 with weak hydrogen bonds and π–π interactions (Fig. 7).13 The authors report that bo...
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The optical absorption spectra of CdF2:Cr crystals show that the charge conversion Cr3+ Cr2+ takes place completely and reversibly by heating in Cd and halogen vapour, respectively. The correlated investigation of optical and EPR spectra of CdF2:V crystals suggest that the optical spectrum after ...