Citric acid,an important metabolite with abundant reactive groups,has been demonstrated as a promising starting material to synthesize diverse photoluminescent materials including small molecules,polymers,and carbon d...Citric acid,an important metabolite with abundant reactive groups,has been demonstrated as a promising starting material to synthesize diverse photoluminescent materials including small molecules,polymers,and carbon dots.The unique citrate chemistry enables the development of a series of citric acid-based molecules and nanomaterials with intriguing intrinsic band-shifting behavior,where the emission wavelength shifts as the excitation wavelength increases,ideal for chromatic imaging and many other applications.In this review,we discuss the concept of“intrinsic band-shifting photoluminescent materials”,introduce the recent advances in citric acid-based intrinsic band-shifting materials,and discuss their potential applications such as chromatic imaging and multimodal sensing.It is our hope that the insightful and forward-thinking discussion in this review will spur the innovation and applications of the unique band-shifting photoluminescent materials.展开更多
基金This work was supported in part by National Institutes of Health grants(AR072731,NS123433,HL158204,and R21EB024829).
文摘Citric acid,an important metabolite with abundant reactive groups,has been demonstrated as a promising starting material to synthesize diverse photoluminescent materials including small molecules,polymers,and carbon dots.The unique citrate chemistry enables the development of a series of citric acid-based molecules and nanomaterials with intriguing intrinsic band-shifting behavior,where the emission wavelength shifts as the excitation wavelength increases,ideal for chromatic imaging and many other applications.In this review,we discuss the concept of“intrinsic band-shifting photoluminescent materials”,introduce the recent advances in citric acid-based intrinsic band-shifting materials,and discuss their potential applications such as chromatic imaging and multimodal sensing.It is our hope that the insightful and forward-thinking discussion in this review will spur the innovation and applications of the unique band-shifting photoluminescent materials.
