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Shows how counterions modulate the optical properties of water-soluble Au25 clusters, indicating potential applications.
) clusters. We show that counterions not only stabilize cluster isomers as previously shown [Chem 2021, 7, 2227-2244] but also modulate excitation energies and redistribute oscillator and rotatory strengths among dipole-allowed transitions, significantly altering the photophysical behavior of the nanoclusters. These findings help to understand the photophysics of clusters in realistic solution-phase conditions advancing further design efforts for applications.
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Verma et al. (2026) studied this question.
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