Upon massive generation of anisotropic grains of azo dye methyl orange in a gelatin film exposed to active polarized light, a cluster of micro crystals with optical axes of similar orientations has been produced. The ...Upon massive generation of anisotropic grains of azo dye methyl orange in a gelatin film exposed to active polarized light, a cluster of micro crystals with optical axes of similar orientations has been produced. The anisotropy observed has been found to disappear under exposure to active natural light.展开更多
Carboxylated pillar[5]arene(CP5)macrocycles were modified onto the surface of reduced graphene oxide(RGO)via covalent bonds to form new pillarene-functionalized RGO nanosheets,i.e.,RGO-CP5.The obtained RGO-CP5 nanoshe...Carboxylated pillar[5]arene(CP5)macrocycles were modified onto the surface of reduced graphene oxide(RGO)via covalent bonds to form new pillarene-functionalized RGO nanosheets,i.e.,RGO-CP5.The obtained RGO-CP5 nanosheets capable of molecular recognition exhibited much better water-dispersibility and enhanced fluorescence-quenching property as compared with native RGO.This new sensing platform holds great potentials in the sensing and detection of analytes,such as organic dye molecules and pesticides,in aqueous solutions.展开更多
Dye-sensitized solar cells（DSSCs） have attracted significant attention as alternatives to conventional silicon-based solar cells owing to their low-cost production,facile fabrication,excellent stability and high pow...Dye-sensitized solar cells（DSSCs） have attracted significant attention as alternatives to conventional silicon-based solar cells owing to their low-cost production,facile fabrication,excellent stability and high power conversion efficiency（PCE）.The dye molecule is one of the key components in DSSCs since it significant influence on the PCE,charge separation,light-harvesting,as well as the device stability.Among various dyes,easily tunable phenothiazine-based dyes hold a large proportion and achieve impressive photovoltaic performances.This class of dyes not only has superiorly non-planar butterfly structure but also possesses excellent electron donating ability and large π conjugated system.This review summarized recent developments in the phenothiazine dyes,including small molecule phenothiazine dyes,polymer phenothiazine dyes and phenothiazine dyes for co-sensitization,especially focused on the developments and design concepts of small molecule phenothiazine dyes,as well as the correlation between molecular structures and the photovoltaic performances.展开更多
文摘Upon massive generation of anisotropic grains of azo dye methyl orange in a gelatin film exposed to active polarized light, a cluster of micro crystals with optical axes of similar orientations has been produced. The anisotropy observed has been found to disappear under exposure to active natural light.
基金supported by the National Natural Science Foundation of China (21272093)the Special-ized Research Fund for the Doctoral Program of Higher Education of China (20120061120117)the Innovation Program of the State Key Laboratory of Supramolecular Structure and Materials,and the Key Laboratory of Pesticide and Chemical Biology,Ministry of Education,Central China Normal University (201301A01).
文摘Carboxylated pillar[5]arene(CP5)macrocycles were modified onto the surface of reduced graphene oxide(RGO)via covalent bonds to form new pillarene-functionalized RGO nanosheets,i.e.,RGO-CP5.The obtained RGO-CP5 nanosheets capable of molecular recognition exhibited much better water-dispersibility and enhanced fluorescence-quenching property as compared with native RGO.This new sensing platform holds great potentials in the sensing and detection of analytes,such as organic dye molecules and pesticides,in aqueous solutions.
基金the National Natural Science Foundation of China(Nos.21572030,21272033,21402023)Fundamental Research Funds for the Central Universities(No.ZYGX2014J026)for financial support
文摘Dye-sensitized solar cells（DSSCs） have attracted significant attention as alternatives to conventional silicon-based solar cells owing to their low-cost production,facile fabrication,excellent stability and high power conversion efficiency（PCE）.The dye molecule is one of the key components in DSSCs since it significant influence on the PCE,charge separation,light-harvesting,as well as the device stability.Among various dyes,easily tunable phenothiazine-based dyes hold a large proportion and achieve impressive photovoltaic performances.This class of dyes not only has superiorly non-planar butterfly structure but also possesses excellent electron donating ability and large π conjugated system.This review summarized recent developments in the phenothiazine dyes,including small molecule phenothiazine dyes,polymer phenothiazine dyes and phenothiazine dyes for co-sensitization,especially focused on the developments and design concepts of small molecule phenothiazine dyes,as well as the correlation between molecular structures and the photovoltaic performances.
