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1Intercluster aurophilicity-driven aggregation lighting circularly polarized luminescence of chiral gold clusters显示文摘Herein,we prepared two novel pairs of enantiomeric gold cluster complexes,AU4PL4/Au4PD4 and(Au4L4)n/(Au4D4)n with atomic precision.In Au4PL4/Au4PD4,the discrete chiral Au4-based aggregation-induced emission(AIE)luminogens are separated by bulky substitutes.The corresponding aggregates are cyan-emitting with a photoluminescence quantum yield(PLQY)of 14.4%.Upon decreasing the size of the substituents,these chiral Au4 clusters are strung together by inter-cluster Au-Au interactions,which cause a low-energy green emission from the aggregated(Au4L4)n/(Au4D4)n with a much higher PLQY of 41.4%and more intense circularly polarised photoluminescence(CPL)with a dissymmetry factor|gPL|of 7.0×10^−3.Using(Au4L4)n/(Au4D4)n,circularly polarised organic light-emitting diodes(CP-OLEDs)were for the first time fabricated with|gEL|=|gPL|.These findings signify that inter-cluster metallophilic interactions are a new and important type of driving force for AIE and crystallization-induced emission(CIE),suggesting great potential of CPL-active metal clusters in CP-OLEDs.Zhen Han Xueli Zhao Peng Peng Si Li Chong Zhang Man Cao Kai Li Zhao-Yang Wang&Shuang-Quan Zang 2020Nano Research2020,13,12:3
2Ultra-small Pd clusters supported by chitin nanowires as highly efficient catalysts显示文摘Xianglin Pei Yi Deng Bo Duan Ting-Shan Chan Jyh-Fu Lee Aiwen Lei Lina Zhang 2018Nano Research2018,11,6:1
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