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聚集体科学:源于分子,高于分子

发布日期:2021年07月14日   浏览次数:

报告题目:聚集体科学:源于分子,高于分子

报告人:唐本忠院士, 香港中文大学(深圳)

时间:2021年07月19日19:30

地点:化学报告厅


报告摘要:

To understand the Nature, scientists have viewed the world from different angles and built various research frameworks according to the level of inquiry, e.g., macro and micro sciences for studying bulk substances and molecular species, respectively. A philosophical linkage here is the reductionism conjecture, assuming that the former (i.e., a bulk substance) is reducible to the latter (i.e., simpler molecules). The reductionism approach has harvested great success but does not always work well. For example, when molecules are aggregated, the aggregate may show totally different behaviors or properties from its molecular constituents. Some luminogens, for instance, do not emit light upon UV excitation as molecular species, but their aggregates luminescence efficiently. This photophysical effect is known as aggregation-induced emission, which manifests that a new property can emerge at aggregate level. In contrast to reductionism, properties of an aggregate are not necessarily a simple, linear addition of those of its molecular components, but affected in a convoluted fashion by different factors, such as quantity (number of constituents), geometry (size, shape and dimension), morphology (amorphous or crystalline) and interaction (attraction or repulsion). Decipherment of such a complex system calls for the development of aggregology, a new scientific framework for aggregate study. Understanding the operations and interplays of antagonism, synergism, emergentism, multiplicity, etc. in an aggregate system is of great scientific value and has far-reaching technological implications. Aggregology study will generate new laws, rules, models, hypotheses, diagrams, etc. and create new knowledge to boost our comprehension of natural processes and to solve the issues and problems unsolvable by the traditional reductionism approach. The establishment of new fundamental principles and working mechanisms at the aggregate level will enable rational design of novel aggregate systems and judicious development of new advanced materials. It is envisioned that aggregology study will lead to a paradigm shift in research epistemology and methodology and open up new avenues for exploration and innovation at higher levels of structural hierarchy and system complexity.1,2


(1) Tang, B. Z. Aggregate 2020, 1, 4; Liu, B.; Tang, B. Z. Angew. Chem. Int. Ed. 2020, 59, 9788.

(2) Zhao, Z.; Zhang, H.; Lam, J. W. Y.; Tang, B. Z. Angew. Chem. Int. Ed. 2020, 59, 9888.

Ben Zhong Tang   E-mail: tangbenz@cuhk.edu.cn


报告人简介:

唐本忠教授于1982年和1988年分别在华南理工大学和日本京都大学取得学士学位和博士学位。1989年赴加拿大多伦多大学进行博士后研究。于1994年加入香港科技大学从事学术研究工作,于2008年晋升为讲席教授。2021年,唐教授加入香港中文大学(深圳)并任理工学院院长、校长讲座教授。 唐教授目前是中国科学院院士、发展中国家科学院院士、亚太材料科学院院士、国际生物材料科学与工程学会联合会“生物材料科学与工程Fellow”、英国皇家化学会会士。 唐教授的研究领域包括高分子化学、材科学、生物医学诊疗等,是国际上聚集诱导发光(AIE)原创性科学概念的提出者和该领域的引领者。已在国内外顶尖杂志上发表论文1600余篇,他引十一万余次,h指数为154。自2014年起,唐教授已连续7年入选化学和材料双领域高被引用科学家。唐本忠教授先后获得多项荣誉及奖励,如国家自然科学一等奖(2017)、何梁何利科学与技术进步奖(2017)、裘槎高级研究成就奖(2007)等。


报告人 唐本忠院士, 香港中文大学(深圳) 时间 2021年07月19日19:30
地点 化学报告厅 月份 7
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