題? 目：Lessons from Nature about Solar Light-Harvesting
報告人： Prof. Gregory Scholes
University of Toronto
時? 間： 2011 年11月1日(周二) 下午3:30
地? 點：五號教學樓502報告廳
摘? 要：
More than 10 million billion photons of light strike a leaf each second. Incredibly, almost every red-coloured photon is captured by chlorophyll pigments and initiates steps to plant growth. Last year we reported that marine algae use quantum mechanics in order to optimize photosynthesis [1], a process essential to its survival. These and other insights from the natural world promise to revolutionize our ability to harness the power of the sun. In a recent review [2] we described the principles learned from studies of various natural antenna complexes and suggested how to utilize that knowledge to shape future technologies. We forecast the need to develop ways to direct and regulate excitation energy flow using molecular organizations that facilitate feedback and control—not easy given that the energy is only stored for a billionth of a second. In this presentation I will summarize what has been learned from studies of photosynthetic light harvesting and energy transfer into a few important ‘lessons’ that will aid the design of optimal synthetic light-harvesting systems.
[1] Elisabetta Collini, Cathy Y. Wong, Krystyna E. Wilk, Paul M. G. Curmi, Paul Brumer, and Gregory D. Scholes, “Coherently wired light-harvesting in photosynthetic marine algae at ambient temperature”? Nature 463, 644–648 (2010).
[2] Gregory D. Scholes, Graham R. Fleming, Alexandra Olaya-Castro and Rienk van Grondelle, “Lessons from nature about solar light harvesting”? Nature Chem. 3, 763–774 (2011).
報告人簡介：
Gregory Scholes是加拿大多倫多大學化學系教授（D.J. Le Roy Distinguished Professor），加拿大皇家科學院院士，多倫多大學量子科學與控制中心主任，北京理工大學和德國弗萊堡大學的兼職教授。目前擔任Journal of Physical Chemistry和Journal of Nanophotonics雜志的高級主編和Chemistry of Materials、Journal of Physical Chemistry、Chemical Physical Letters 等三個國際著名期刊的編委。
Scholes教授是光電功能材料和光物理研究領域的著名學者，先后在Nature、Science、Nature Materials、Nature Physics、Nature Chemistry、PNAS、JACS、PRL、Nano Letters等國際知名期刊發(fā)表論文176篇, 為9本著作撰寫章節(jié)，研究結果多次作為著名期刊的封面，且多次被國際新聞媒體和學術雜志專題報道。曾獲The Raymond and Beverly Sackler Prize、Rutherford Memorial Medal、Alfred P. Sloan Foundation Fellow、NSERC Steacie Memorial Fellow、Chemistry Keith Laidler Award 和Alfred P. Sloan Fellowship等多項獎勵。
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