Supramolecular artificial light-harvesting systems for photocatalysis

Artificial light-harvesting nanoparticles based on a tripodal fluorescence sensor mediated by multiple luminescence mechanisms

“…1,2 The absorbed energy was stepwise transferred in chlorophyll and eventually reaches the reaction center. Inspired by nature, many artificial light-harvesting systems (LHSs) 3–9 have been reported in recent years for different applications, such as photocatalysis, 10–23 bio-imaging, 24–26 information encryption 27–29 and light-emitting devices. 30–33 These systems are often nanoparticles (NPs) dispersed in aqueous media to meet the requirement of green production.…”

Carbazole-based artificial light-harvesting system for photocatalytic cross-coupling dehydrogenation reaction

“…Conversely, the natural light-harvesting process occurs in an aqueous environment and traditional LHS donors perform poorly due to the aggregation-caused quenching (ACQ) effect. 3–5 Recently, to improve the light-harvesting ability and realize energy transfer in water, an aggregation-induced emission (AIE)-based supramolecular strategy was utilized in aqueous photocatalysis, 12–16 bio-imaging, 17,18 and ion sensing, 19,20 because supramolecular assemblies can effectively simplify synthesis procedures and achieve efficient light-harvesting process in water. For example, Xing et al fabricated a supramolecular organic framework (SOF) by tetraphenylethylene derivative and cucurbit[8]uril (CB[8]), which successfully realized the cross-dehydrogenative coupling reactions of N -phenyl tetrahydroisoquinoline derivatives.…”

“…4b and Scheme S2, ESI†). 12–16 Initially, the photocatalytic conditions of WPP5-CTD , ESY and WPP5-CTDCG-ESY were first explored (Fig. 4c).…”

Construction of an efficient artificial light-harvesting system based on hyperbranched polyethyleneimine and improvement of photocatalytic performance

“…[4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19] To date, numerous ALHSs have been developed by researchers utilising non-covalent interaction strategies, which have been found to have applications in various fields such as fluorescence imaging, circularly polarized luminescence (CPL), fluorescence anti-counterfeiting, sensing, photodynamic therapy, and so on. [20][21][22][23][24][25][26] Of particular interest is the utilization of ALHSs in photocatalytic organic transformation, 27 which has garnered significant attention from the scientific community. As a kind of efficient photocatalyst, ALHSs can fully improve the absorption and utilization efficiency of light, and then more effectively simulate natural photosynthesis.…”