Extending the limits of natural photosynthesis and implications for technical light harvesting

被引:65
作者
Chen, Min [1 ]
Scheer, Hugo [2 ]
机构
[1] Univ Sydney, Sch Biol Sci, Sydney, NSW 2006, Australia
[2] Univ Munich, Dept Biol 1, D-80638 Munich, Germany
关键词
photosynthesis; chlorophyll; ecophysiology; red-shifted chlorophyll; photovoltaic; energy transfer; light-harvesting; light climate; WAVELENGTH ABSORBING ANTENNA; D-CONTAINING CYANOBACTERIUM; CHLOROPHYLL-D; ENERGY-TRANSFER; PHOTOSYSTEM-I; ACARYOCHLORIS-MARINA; OSTREOBIUM SP; SOLAR-CELLS; PIGMENT; EVOLUTION;
D O I
10.1142/S1088424612300108
中图分类号
O6 [化学];
学科分类号
070301 [无机化学];
摘要
Photosynthetic organisms provide, directly or indirectly, the energy that sustains life on earth by harvesting light from the sun. The amount of light impinging on the surface of the earth vastly surpasses the energy needs of life including man. Harvesting the sun is, therefore, an option for a sustainable energy source: directly by improving biomass production, indirectly by coupling it to the production of hydrogen for fuel or, conceptually, by using photosynthetic strategies for technological solutions based on non-biological or hybrid materials. In this review, we summarize the various light climates on earth, the primary reactions responsible for light harvesting and transduction to chemical energy in photosynthesis, and the mechanisms of competitively adapting the photosynthetic apparatus to the ever-changing light conditions. The focus is on oxygenic photosynthesis, its adaptation to the various light-climates by specialized pigments and on the extension of its limits by the evolution of red-shifted chlorophylls. The implications for potential technical solutions are briefly discussed.
引用
收藏
页码:1 / 15
页数:15
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