A clear trend emerges in which ions with extreme oxidizing power, such as Mn( vii ), favor sensing strategies based on irreversible redox consumption coupled with scavenging. 73 In contrast, moderately oxidizing ions, including Fe 3+ and Cr( vi ), support reversible or semi-reversible optical responses mediated
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Redox-programmable quantum dots for high-valence and strongly redox-active ion recognition: from reactivity windows to adaptive MXene platforms.
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