Abstract
Laser pulse irradiation of a deaerated aqueous solution containing the solid state lithium ion-encapsulated fullerene resulted in the formation of highly dispersed nano-aggregates (Li(+)@C60)n. Photoirradiation of an O2-saturated D2O solution containing (Li(+)@C60)n gave singlet oxygen with 55% quantum yield, leading to efficient double-stranded DNA cleavage.
Highlights
Singlet oxygen generation from Li+@C60 nano-aggregates dispersed by laser irradiation in aqueous solution†
Laser pulse irradiation of a deaerated aqueous solution containing the solid state lithium ion-encapsulated fullerene resulted in the formation of highly dispersed nano-aggregates (Li+@C60)n
We report highly water-dispersed heterogeneous fullerene nano-aggregates composed of Li+@C60, C60, and C70, which have absorption bands in the visible region as well as an efficient singlet oxygen generation properties
Summary
Singlet oxygen generation from Li+@C60 nano-aggregates dispersed by laser irradiation in aqueous solution† Laser pulse irradiation of a deaerated aqueous solution containing the solid state lithium ion-encapsulated fullerene resulted in the formation of highly dispersed nano-aggregates (Li+@C60)n.
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