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16 Μαρ 2023 · To consider what happens in the process of fluorescence, we need to think of the possible energy states for a ground and excited state system. Draw an energy level diagram for a typical organic compound with \(\pi\) and \(\pi\) * orbitals.
26 Ιουν 2022 · A remarkable characteristic of coordination compounds that distinguish them from the organic compounds is the number of electronically excited states and their spin multiplicities that can be accessed [2, 8, 32, 44, 88].
In quantum mechanics, an excited state of a system (such as an atom, molecule or nucleus) is any quantum state of the system that has a higher energy than the ground state (that is, more energy than the absolute minimum).
19 Μαΐ 2015 · The result is a representative overview of current research on various aspects of this exciting and rapidly developing area of chemistry. The contributions span fundamental studies of (relatively) simple molecules to more complex systems geared toward applications in solar energy conversion.
1 Ιαν 2014 · This chapter is focused on the practical aspects related to the calculation of excited states in molecular systems by using quantum-chemical methods, a type of study that escapes in many cases from the well-established computational strategies used for the molecular ground states, both because of the complexity of the problem itself and for the ...
30 Απρ 2014 · Photo- or electro-excited states in polyatomic molecules, aggregates, and conjugated polymers are at the center of organic light-emitting diodes (OLEDs). These can decay radiatively or non-radiatively, determining the luminescence quantum efficiency of molecular materials.
1 Ιαν 2011 · In organic photochemistry, it is customary to label the singlet and triplet states as S n and T n respectively, with n = 0 for the singlet ground state and n = 1, 2, etc. for states arising from the various excited configurations.
