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1The Nano Research Young Innovators(NR45)Awards in nanoenergy显示文摘Following the success of the inaugural 2018 Nano Research Young Innovators(NR45)Awards in nanobiotechnology[1],it is our great pleasure to announce the recipients of the 2019 NR45 Awards in nanoenergy.Congratulations to all the 44 outstanding young investigators under the age of 45.They were selected through a competitive process by an award committee from the journals editorial board.Nano Research launched the NR45 Awards program to feature young researchers in various fields of nanoscience and nanotechnology,in recognition of their distinguished accomplishments and/or potential to make substantial contributions to their fields.Hailiang Wang Hongjie Dai 2019Nano Research2019,12,9:0
2AIEgen containing side-chain liquid crystalline polymers: Photoluminecence or photothermal, which dominate?显示文摘Why many luminescent liquid crystalline polymers(LLCPs)containing aggregation-induced emission luminogen(AIEgen)show weak emission is a question still to be answered.Herein,a series of LLCPs(α-Pns,n=4,8,and 12)with polynorbornene as main chain and twoα-dicyanodistyrylbenzene(α-DCS)as side chain are successfully synthesized to solve this issue.Differential scanning calorimetry(DSC),polarized light microscopy(PLM),one-dimentional(1D),two-dimentional(2D)middle-angle and wide-angle X-ray scattering(MAXS and WAXS)results demonstrate that the polymers form smectic A(SmA)phase with the side chains interdigitated packed within the smectic layers.Meanwhile,the photophysical properties ofα-Pns were investigated by ultraviolet-visible(UV-vis)absorption,steady state and time-resolved spectroscopy,and photothermal effect.Results show that the polymers are AIE active,but emit weak emission.The emission peak ofα-Pns film red-shift from 473 to 531 nm,the quantum yield gradually increases from around 1.6%to 14.7%,and the photothermal conversion efficiency decreases from 39%to 19%with the alkyl tail length increased.The photothermal effect,but not photoluminescence,dominates the excited state relaxation.Lei Tao He-Lou Xie Xin Qi Jun Song Hong Xin Zhen-Qiang Yu 2022Nano Research2022,15,10:0
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