Transparent nanomeshes for smart windows
Conventional selective low-e coatings for windows of residential buildings have a cut-off frequency in the near infrared spectral region NIR, limiting the resulting solar heat gain coefficient to g ≈ 0.5. By structuring the coating into nanomeshes, the selectivity shall be enhanced, and higher solar heat gains shall be achieved. The resulting increase in solar heat gains will lead to energy savings in heating in the residential sector. In addition to this, metal nanomeshes will also allow to replace the transparent conductive oxide layer in electrochromic windows, reducing the needs for indium, and leading to higher switching speed and switching homogeneity.
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