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首页> 外文期刊>Advanced Functional Materials >A Clear, Strong, and Thermally Insulated Transparent Wood for Energy Efficient Windows
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A Clear, Strong, and Thermally Insulated Transparent Wood for Energy Efficient Windows

机译：透明，结实且隔热的透明木材，可实现节能窗户

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摘要

The energy used for regulating building temperatures accounts for 14% of the primary energy consumed in the U.S. One-quarter of this energy is leaked through inefficient glass windows in cold weather. The development of transparent composites could potentially provide affordable window materials with enhanced energy efficiency. Transparent wood as a promising material has presented desirable performances in thermal and light management. In this work, the performance of transparent wood is optimized toward an energy efficient window material that possesses the following attributes: 1) high optical transmittance (approximate to 91%), comparable to that of glass; 2) high clarity with low haze (approximate to 15%); 3) high toughness (3.03 MJ m(-3)) that is 3 orders of magnitude higher than standard glass (0.003 MJ m(-3)); 4) low thermal conductivity (0.19 W m(-1) K-1) that is more than 5 times lower than that of glass. Additionally, the transparent wood is a sustainable material, with low carbon emissions and scaling capabilities due to its compatibility with industry-adopted rotary cutting methods. The scalable, high clarity, transparent wood demonstrated in current work can potentially be employed as energy efficient and sustainable windows for significant environmental and economic benefits.
机译：用于调节建筑物温度的能源占美国消耗的一次能源的14％。在寒冷的天气中，这种能源的四分之一是通过效率低下的玻璃窗泄漏的。透明复合材料的开发可以潜在地提供负担得起的窗户材料，并具有更高的能源效率。作为有前途的材料，透明木材在热和光管理方面表现出理想的性能。在这项工作中，针对具有以下属性的节能窗材料，优化了透明木材的性能：1）与玻璃相当的高透光率（约91％）； 2）高清晰度，低雾度（约15％）； 3）高韧性（3.03 MJ m（-3）），比标准玻璃（0.003 MJ m（-3））高3个数量级； 4）低导热率（0.19 W m（-1）K-1），比玻璃低5倍以上。此外，由于透明木材与行业采用的旋转切割方法兼容，因此是一种可持续的材料，具有低碳排放和结垢能力。当前工作中展示的可伸缩，高清晰度，透明的木材可以潜在地用作节能和可持续的窗户，从而带来显着的环境和经济效益。

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