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Purdue University Scientists Create New Class of Solar Cells that ‘Self-Repair’

Novel solar cells were developed using carbon nanotubes and DNA
Photoelectrochemical cells contain chromophores (light-absorbing dyes), and these molecules eventually degrade after prolonged exposure to sunlight. Purdue researchers, led by Professor Jong Hyun Choi, have created a new technology that prevents this problem- a process similar to photosynthesis-by continuously replacing photo-damaged dyes with new ones. The novel solar cells use strands of DNA anchored to a platform of CNTs, which have been engineered to recognize and attach to the chromophores. This new technology could someday lead to photoelectrochemical cells able to operate at infinite full capacity.RSS feed of Nano World News

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