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Developing a scalable artificial photosynthesis technology through nanomaterials by design

An artificial photosynthetic system that directly produces fuels from sunlight could provide an approach to scalable energy storage and a technology for the carbon-neutral production of high-energy-density transportation fuels. A variety of designs are currently being explored to create a viable artificial photosynthetic system, and the most technologically advanced systems are based on semiconducting photoelectrodes. Here, I discuss the development of an approach that is based on an architecture, first conceived around a decade ago, that combines arrays of semiconducting microwires with flexible polymeric membranes. I highlight the key steps that have been taken towards delivering a fully functional solar fuels generator, which have exploited advances in nanotechnology at all hierarchical levels of device construction, and include the discovery of earth-abundant electrocatalysts for fuel formation and materials for the stabilization of light absorbers. Finally, I consider the remaining scientific and engineering challenges facing the fulfilment of an artificial photosynthetic system that is simultaneously safe, robust, efficient and scalable.

Nature Nanotechnology 11, 1010–1019 (2016) doi:10.1038/nnano.2016.194
Received 31 July 2016 Accepted 01 September 2016 Published online 06 December 2016

http://www.nature.com/nnano/journal/v11/n12/full/nnano.2016.194.html

发布日期:2016/12/15 发布者: 点击数: