In recent years,molecular shuttles,motors,pumps,and elevators,etc.could specifically respond external physical or chemical stimuli including light,temperature,pH,redox,solvent and chemical additive to change the struc...In recent years,molecular shuttles,motors,pumps,and elevators,etc.could specifically respond external physical or chemical stimuli including light,temperature,pH,redox,solvent and chemical additive to change the structure and function,showing great potential in materials and biological applications[1,2].展开更多
Supramolecular assembly strategy has been proved to be an effective way to construct near-infrared(NIR)luminescent materials,especially the host-guest complexation involving macrocycles(such as cyclodextrin,cucurbitur...Supramolecular assembly strategy has been proved to be an effective way to construct near-infrared(NIR)luminescent materials,especially the host-guest complexation involving macrocycles(such as cyclodextrin,cucurbituril,and pillararene).In particular,the tetraphenylethylene(TPE)derivatives are the most common and easily synthesized and functionalized aggregationinduced emission(AIE)emitters,which can not only overcome the aggregation-caused quenching(ACQ)problem of traditional organic fluorescent molecules,but also have high photobleaching threshold and good biocompatibility showing broad application prospects in the construction of multifunctional luminescent materials.展开更多
As an important functional group,azo derivatives(-N=N-)have attracted wide attention due to their excellent properties,for their narrow bandgap,Lewis base property,photo-isomerization and redox activity,in chemistry a...As an important functional group,azo derivatives(-N=N-)have attracted wide attention due to their excellent properties,for their narrow bandgap,Lewis base property,photo-isomerization and redox activity,in chemistry and materials science fields[1].Among them,azo-benzene is one of the most popular candidates of optical molecular devices including easy synthesis,high quantum yields and fast switching.Generally,azo-benzene exists in two conformations,i.e.trans-state and cis-state,which are reversibly conversed via-N=N-bond transformation in the presence of appropriate stimuli including temperature,mechanical stress,electric field,and especially photoirradiation[2].In addition,the azo group can not only endow the derivatives with narrow bandgap properties.展开更多
文摘In recent years,molecular shuttles,motors,pumps,and elevators,etc.could specifically respond external physical or chemical stimuli including light,temperature,pH,redox,solvent and chemical additive to change the structure and function,showing great potential in materials and biological applications[1,2].
基金supported by National Natural Science Foundation of China(Nos.22101143 and 22361036)the China Postdoctoral Science Foundation(No.2021M691661)+1 种基金the Program for Young Talents of Science and Technology in Universities of Inner Mongolia Autonomous Region(No.NJYT22050)the Inner Mongolia Minzu University Doctoral Research Fund(No.BS554)。
文摘Supramolecular assembly strategy has been proved to be an effective way to construct near-infrared(NIR)luminescent materials,especially the host-guest complexation involving macrocycles(such as cyclodextrin,cucurbituril,and pillararene).In particular,the tetraphenylethylene(TPE)derivatives are the most common and easily synthesized and functionalized aggregationinduced emission(AIE)emitters,which can not only overcome the aggregation-caused quenching(ACQ)problem of traditional organic fluorescent molecules,but also have high photobleaching threshold and good biocompatibility showing broad application prospects in the construction of multifunctional luminescent materials.
文摘As an important functional group,azo derivatives(-N=N-)have attracted wide attention due to their excellent properties,for their narrow bandgap,Lewis base property,photo-isomerization and redox activity,in chemistry and materials science fields[1].Among them,azo-benzene is one of the most popular candidates of optical molecular devices including easy synthesis,high quantum yields and fast switching.Generally,azo-benzene exists in two conformations,i.e.trans-state and cis-state,which are reversibly conversed via-N=N-bond transformation in the presence of appropriate stimuli including temperature,mechanical stress,electric field,and especially photoirradiation[2].In addition,the azo group can not only endow the derivatives with narrow bandgap properties.
