Blue Light-Gated Reversible Silver Nanozyme Reaction Networks that Achieve Life-like Adaptivity

Jiang，Zhengxing1; Li，Hua2; Deng，Yuequan1; He，Yi1

2020-04-06

10.1021/acssuschemeng.9b07009

ACS Sustainable Chemistry & Engineering   影响因子和分区

2168-0485

2168-0485

Life is preserved by complex enzymatic reaction systems. Inspired by life, here we report on the first example to fabricate blue light-gated reversible silver nanozyme reaction networks that achieve life-like adaptivity. Upon blue light excitation, silver nanoparticles (AgNPs) display oxidase-like activity in the presence of Cl as a cofactor. The addition of Cl promotes the separation between hot holes and electrons that are generated by excited-state surface plasmon of AgNPs, inducing the generation of highly reactive hydroxyl and superoxide anion radicals. They oxidize colorless 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)diammonium salt (ABTS) to yield green ABTS radicals (ABTS). It is shown that ABTS is able to be reduced by AgNPs to regenerate ABTS when the blue light is turned off, and the reaction system returns to its initial state, which is the typical feature of the artificial adaptive system. The dynamic process of the adaptive system is tunable by changing the concentrations of AgNPs and Cl, and it possesses excellent recyclable performance, which can be repeated at least six times. Overall, the silver nanozyme reaction networks are capable of responding to blue light stimuli and renewing by recycling to the initial state without blue light irradiation.

hot carriers life-like adaptivity photoresponse silver nanozyme surface plasmonic resonance

SCI ; EI

英语

其他

WOS:000526363600010

20201908616759

Hot electrons ; Plasmonics ; Surface plasmons ; Adaptive systems ; Excited states

Electricity: Basic Concepts and Phenomena:701.1 ; Nanotechnology:761 ; Atomic and Molecular Physics:931.3 ; Quantum Theory; Quantum Mechanics:931.4 ; Plasma Physics:932.3

2-s2.0-85084174277

Scopus

1.State Key Laboratory of Environment-friendly Energy Materials,Sichuan Co-Innovation Center for New Energetic Materials,School of Materials Science and Engineering,Southwest University of Science and Technology,Mianyang,621010,China
2.SUSTech Core Research Facilities,Southern University of Science and Technology,Shenzhen,518055,China

Jiang，Zhengxing,Li，Hua,Deng，Yuequan,et al. Blue Light-Gated Reversible Silver Nanozyme Reaction Networks that Achieve Life-like Adaptivity[J]. ACS Sustainable Chemistry & Engineering,2020,8(13):5076-5081.

Jiang，Zhengxing,Li，Hua,Deng，Yuequan,&He，Yi.(2020).Blue Light-Gated Reversible Silver Nanozyme Reaction Networks that Achieve Life-like Adaptivity.ACS Sustainable Chemistry & Engineering,8(13),5076-5081.

Jiang，Zhengxing,et al."Blue Light-Gated Reversible Silver Nanozyme Reaction Networks that Achieve Life-like Adaptivity".ACS Sustainable Chemistry & Engineering 8.13(2020):5076-5081.