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  题  目:Lessons from Nature about Solar Light-Harvesting

  报告人: Prof. Gregory Scholes

  University of Toronto

  时  间: 2011 年11月1日(周二) 下午3:30

  地  点:五号教学楼502报告厅

  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).

  报告人概况:

  Gregory Scholes是加拿大多伦多大学化学系教授(D.J. Le Roy Distinguished Professor),加拿大皇家科学院院士,多伦多大学量子科学与控制中心主任,北京理工大学和德国弗莱堡大学的兼职教授。目前担任Journal of Physical Chemistry和Journal of Nanophotonics杂志的高级主编和Chemistry of Materials、Journal of Physical Chemistry、Chemical Physical Letters 等三个国际著名期刊的编委。

  Scholes教授是光电功能材料和光物理研究领域的著名学者,先后在Nature、Science、Nature Materials、Nature Physics、Nature Chemistry、PNAS、JACS、PRL、Nano Letters等国际知名期刊发表论文176篇, 为9本著作撰写章节,研究结果多次作为著名期刊的封面,且多次被国际资讯媒体和学术杂志专题报道。曾获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等多项奖励。

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