AI Article Synopsis
- UV-VIS spectroscopy was used to analyze mixtures of choline chloride or triphenylmethylphosphonium bromide with various hydrogen bond donors (HBDs) like nickel sulfate and d-glucose.
- The Tauc plot method helped determine the indirect and direct band-gap energies of these mixtures, revealing effects on energy due to the type of HBD used.
- Notably, the triphenylmethylphosphonium bromide/ethylene glycol mixture showed an indirect band-gap energy of 3.74 eV, which is the smallest reported for similar systems.
Article Abstract
UV-VIS spectroscopy analysis of six mixtures containing choline chloride or triphenylmethylphosphonium bromide as the hydrogen bond acceptor (HBA) and different hydrogen bond donors (HBDs, nickel sulphate, imidazole, d-glucose, ethylene glycol, and glycerol) allowed to determine the indirect and direct band-gap energies through the Tauc plot method. Band-gap energies were compared to those relative to known choline chloride-containing deep band-gap systems. The measurements reported here confirmed the tendency of alcohols or Lewis acids to increment band-gap energy when employed as HBDs. Indirect band-gap energy of 3.74 eV was obtained in the case of the triphenylmethylphosphonium bromide/ethylene glycol system, which represents the smallest transition energy ever reported to date for such kind of systems.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7180541 | PMC |
| http://dx.doi.org/10.3390/molecules25071495 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!