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  • [February 17, 2017]

    Aggregation-Induced Emission: Together We Shine

  • Speaker:
    TANG Ben Zhong
    Date:
    Friday, February 17, 2017
    Time:
    3:00-5:00pm
    Location:
    Room 210, COE Building No.1
    Host:
    Huai Yang
  • Abstract
  • Typical luminophores usually suffer from weakening or quenching of light emission caused by aggregation. This notorious photophysical effect is practically harmful, as luminophores are commonly used for real-world applications in solid state or aqueous media, where they tend to form aggregates. We have discovered a diametrically opposite phenomenon that luminophores are non-emissive when molecularly dissolved and induced to luminesce by aggregate formation. We termed this unusual process as aggregation-induced emission (AIE). A wide variety of AIE luminogens have been developed, which not only possess the conjugated structures, such as tetraphenylethylene and multi-phenyl silole, but also have the non-conjugated polyester and polyamide systems, which have broad emission range covering visible and near-IR region and high luminescence quantum yields. We have demonstrated the great utility of the AIE materials and explored their high-tech applications in such areas as optoelectronic devices, chemo/biosensing and biological imaging.
  • Biography
  • Ben Zhong Tang is Stephen K. C. Cheong Professor of Science and Chair Professor of Chemistry and Biomedical Engineering at The Hong Kong University of Science and Technology (HKUST).  His research interests include macromolecular chemistry, materials science, and biomedical theranostics.  He is spearheading the research on aggregation-induced emission (AIE), a topic ranked no. 2 in the areas of Chemistry and Materials Science by Thomson Reuters in its report on Research Fronts 2015.
    Tang received B.S. and Ph.D. degrees from South China University of Technology and Kyoto University, respectively.  He conducted postdoctoral research at University of Toronto.  He joined HKUST as an assistant professor in 1994 and was promoted to chair professor in 2008.  He was elected to the Chinese Academy of Sciences (CAS) and the Royal Society of Chemistry (RSC) in 2009 and 2013, respectively.
    Tang has published >900 papers.  His publications have been cited >40,000 times, with an h-index of 102.  He has been listed by Thomson Reuters as a Highly Cited Researcher in both areas of Chemistry and Materials Science.  He received a Natural Science Award from the Chinese Government and a Senior Research Fellowship from the Croucher Foundation in 2007.  He is now serving as Editor-in-Chief of Materials Chemistry Frontiers (RSC & CCS)