Next generation display and lighting technology calls for thinner,cheaper and more-flexible unit devices.Polymer light emitting transistor(PLET),which integrates logic function of organic field effect transistor(OFET)...Next generation display and lighting technology calls for thinner,cheaper and more-flexible unit devices.Polymer light emitting transistor(PLET),which integrates logic function of organic field effect transistor(OFET),luminescence function of organic light emitting diode(OLED),and potential mechanical properties,is believed to be the raising star in this field.However,great challenges remain in developing the core materials of PLETs,which simultaneously require the integration of high ambipolar mobility and strong solid-state luminescence properties.Herein,high mobility luminescent thienopyrroledione-benzodiathiadiazole-fluorene-based conjugated polymer was chosen as polymer backbone,and polymers TBT-1 and TBT-2(TBT=thienopyrroledione-benzodiathiadiazole-thienopyrrole-dione)with red luminescence were obtained by direct arylation polymerization(DArP).By introducing linear alkyl side chains,the packing orientation is changed from face-on in TBT-1 thin film to edge-on in TBT-2 thin film,which is beneficial for improving the field effect performance.The average hole and electron mobility of TBT-2 are 1.1×10^(-2)and 2.0×10^(-3)cm^(2)·V^(-1)·s^(-1),respectively.This work provides new design strategy for high mobility luminescent conjugated polymers,which can be used in PLETs.展开更多
Polymer science is an interdisciplinary area,which is gradually developed on the basis of organic chemistry,physical chemistry,biochemistry,and other disciplines.Polymer science is composed of two important branches:&...Polymer science is an interdisciplinary area,which is gradually developed on the basis of organic chemistry,physical chemistry,biochemistry,and other disciplines.Polymer science is composed of two important branches:"polymer chemistry"and"polymer physics".It includes polymer materials,polymer synthesis,polymer theory and simulation,and many other research branches.Polymer materials as an important cornerstone of modern industry and high technology exhibit many excellent properties.They have become an indispensable and important guarantee for the basic industry of the national economy and security.Polymer synthesis is the foundation of the polymer materials industry,which provides the methods for the preparation of polymer materials with different functionalities.Polymer theory and simulation provides a solid theoretical foundation and more possibilities for the design of polymer materials.展开更多
Copper/oxalic diamide-promoted dimerization of tetrachlorinated perylene bisimide to construct highly-fused diperylene bisimides through Ullmann coupling and zipper-mode double C—H activation has been developed in th...Copper/oxalic diamide-promoted dimerization of tetrachlorinated perylene bisimide to construct highly-fused diperylene bisimides through Ullmann coupling and zipper-mode double C—H activation has been developed in this study.This one-step reaction combining homocoupling with C—H activation proceeded smoothly under the action of inexpensive metal-ligand system.This protocol is expected to expand the available synthetic tools for condensed ring systems of perylene bisimide(PBIs).展开更多
A novel pseudo rubrene analogue,6,11-di(thiophen-2-yl)-tetracene-5,12-dione (DTTDO) was synthesized,in which two thienyl groups and two carbonyl groups replacing four phenyl groups in the rubrene molecule were connect...A novel pseudo rubrene analogue,6,11-di(thiophen-2-yl)-tetracene-5,12-dione (DTTDO) was synthesized,in which two thienyl groups and two carbonyl groups replacing four phenyl groups in the rubrene molecule were connected to the backbone of tetracene.This compound was characterized by single crystal X-ray structure analysis,thermogravimetric analysis,absorption spectra and electrochemical measurements.Unlike rubrene,DTTDO exhibited excellent film forming ability by normal vacuum deposition,indicating its promising applications in organic thin film transistors.展开更多
基金This work was supported by the Project of the Ministry of Science and Technology of China(Nos.2022YFB3603800,2018YFA0703200)the National Natural Science Foundation of China(Nos.52233010,51725304,61890943,52103245,22021002)the CAS Project for Young Scientists in Basic Research,China(No.YSBR-053).
文摘Next generation display and lighting technology calls for thinner,cheaper and more-flexible unit devices.Polymer light emitting transistor(PLET),which integrates logic function of organic field effect transistor(OFET),luminescence function of organic light emitting diode(OLED),and potential mechanical properties,is believed to be the raising star in this field.However,great challenges remain in developing the core materials of PLETs,which simultaneously require the integration of high ambipolar mobility and strong solid-state luminescence properties.Herein,high mobility luminescent thienopyrroledione-benzodiathiadiazole-fluorene-based conjugated polymer was chosen as polymer backbone,and polymers TBT-1 and TBT-2(TBT=thienopyrroledione-benzodiathiadiazole-thienopyrrole-dione)with red luminescence were obtained by direct arylation polymerization(DArP).By introducing linear alkyl side chains,the packing orientation is changed from face-on in TBT-1 thin film to edge-on in TBT-2 thin film,which is beneficial for improving the field effect performance.The average hole and electron mobility of TBT-2 are 1.1×10^(-2)and 2.0×10^(-3)cm^(2)·V^(-1)·s^(-1),respectively.This work provides new design strategy for high mobility luminescent conjugated polymers,which can be used in PLETs.
文摘Polymer science is an interdisciplinary area,which is gradually developed on the basis of organic chemistry,physical chemistry,biochemistry,and other disciplines.Polymer science is composed of two important branches:"polymer chemistry"and"polymer physics".It includes polymer materials,polymer synthesis,polymer theory and simulation,and many other research branches.Polymer materials as an important cornerstone of modern industry and high technology exhibit many excellent properties.They have become an indispensable and important guarantee for the basic industry of the national economy and security.Polymer synthesis is the foundation of the polymer materials industry,which provides the methods for the preparation of polymer materials with different functionalities.Polymer theory and simulation provides a solid theoretical foundation and more possibilities for the design of polymer materials.
基金Supported by the National Natural Science Foundation of China(Nos.51503037,51822308,51733004,21661132006)the Program for New Century Excellent Talents in Fujian Province Universities,China,the Fund of the Youth Innovation Promotion Association of the Chinese Academy of Sciences and the Education and Scientific Research Project for Young and Middle-aged Teachers in Fujian Province,China(No.JT180633).
文摘Copper/oxalic diamide-promoted dimerization of tetrachlorinated perylene bisimide to construct highly-fused diperylene bisimides through Ullmann coupling and zipper-mode double C—H activation has been developed in this study.This one-step reaction combining homocoupling with C—H activation proceeded smoothly under the action of inexpensive metal-ligand system.This protocol is expected to expand the available synthetic tools for condensed ring systems of perylene bisimide(PBIs).
基金support of the National Natural Science Foundation of China (60771031,60736004,20571079,20721061 and 50725311)National Basic Research Program of China (973 Program,2006CB806200 & 2006CB932100)Chinese Academy of Sciences
文摘A novel pseudo rubrene analogue,6,11-di(thiophen-2-yl)-tetracene-5,12-dione (DTTDO) was synthesized,in which two thienyl groups and two carbonyl groups replacing four phenyl groups in the rubrene molecule were connected to the backbone of tetracene.This compound was characterized by single crystal X-ray structure analysis,thermogravimetric analysis,absorption spectra and electrochemical measurements.Unlike rubrene,DTTDO exhibited excellent film forming ability by normal vacuum deposition,indicating its promising applications in organic thin film transistors.
