The dye exists as a monomer at low concentrations (emission, 530 nm, and green fluorescence) but at higher concentrations forms J-aggregates (emission, 590 nm, red fluorescence).
While not harmful to human health at low concentrations, these emissions should be accounted for when estimating the net greenhouse gas footprint of CSG operations.
This is the first study to expose subjects to very low concentrations of chemical emissions similar to those found in indoor air conditions.
Sensors 1 and 2 can thus display dual sensing action; where at low concentrations, the fluorescence emission is quenched, and at higher concentrations the absorption spectra are modulated.
In the absence of P3HT ligands, CdSe superstructures exhibit weak emission bands due to low concentration and large-sized structures.
In addition, the PL and EL emissions of SiBN doped in AND exhibited that devices with a high doping concentration produced relatively stronger excimer emission compared to those with low concentration.
The PL spectra at low concentration of CDs showed an excitation-independent behaviour with the emission peak at 440 nm, which is very different from the previous reports.
It is surprising that a low concentration of TMA-Cl could have such a striking effect on YOYO-1 emissions and/or probe:probe complex formation in the presence of an overwhelming greater number of water molecules.
The intense UV ZnO NBE luminescence and the weak defect-related emission reveal the high quality of the ZnO coating and low concentration of defects.
The pyrene@micelle sensors were of nanosized dimension, and low concentration of pyrene (e.g., >0.8 mM) was sufficient to render dominant excimer emission.
At low concentration of Sm3+, Commission Internationale d'Eclairage (CIE) coordinates that are very close to white light emission (0.317, 0.303) are observed.
