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首页> 外文期刊>Advanced Materials >Solution Processed Photovoltaic Devices with 2% Infrared Monochromatic Power Conversion Efficiency: Performance Optimization and Oxide Formation
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Solution Processed Photovoltaic Devices with 2% Infrared Monochromatic Power Conversion Efficiency: Performance Optimization and Oxide Formation

机译：具有2％的红外单色功率转换效率的固溶处理光伏器件：性能优化和氧化物形成

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摘要

The necessity of developing economically-sustainable clean energy technologies underpins the search for new materials and device architectures for future generations of solar cells. Solution processed materials offer the promise of flexible and inexpensive production only if they can achieve power conversion efficiencies in excess of 10%. The best solid-state solution-processed solar cells have to date produced power conversion efficiencies in the range 1-5%. One factor limiting their further improvement is their lack of infrared energy capture. Half of the sun's power reaching the earth lies beyond 700 nm, and one third beyond 1000 nm. Many of the promising material systems today that have started to reach into the infrared spectrum still have their absorption peaks lying near to the visible spectral regime. This includes high performing inorganic thin-film nanocrystal-based devices with an absorption edge at about 700 nm, and organic polymer-fullerene derivatized devices effective out to about 1000nm (with a peak efficiency lying at 800 nm).
机译：发展经济上可持续的清洁能源技术的必要性，为寻找下一代太阳能电池的新材料和设备架构提供了支持。固溶处理材料只有在其功率转换效率超过10％的情况下，才能提供灵活而廉价的生产前景。迄今为止，最好的固态溶液处理太阳能电池产生的功率转换效率为1％至5％。限制其进一步改进的一个因素是其缺乏红外能量捕获。到达地球的太阳光的一半位于700海里之外，三分之一则位于1000海里之外。如今，许多有希望的材料系统已经开始进入红外光谱，它们的吸收峰仍接近可见光谱范围。这包括在约700 nm处具有吸收边的高性能基于无机薄膜纳米晶体的器件，以及在约1000 nm处有效的有机聚合物-富勒烯衍生的器件（峰值效率在800 nm处）。

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