在綠色能源崛起的現代，太陽能因為太陽這一穩定的能量來源扮演著重要的角色。銅銦鎵硒(CuInGaSe2)太陽能電池為薄膜型太陽能電池，可製作於可撓性基板上，因此有著廣泛的應用領域，近年更是製作成太陽能屋瓦作為建材來使用，有著美觀的外型及發電的經濟效益。然而，將傳統屋瓦更換成太陽能屋瓦後，若造成室內溫度上升產生多餘的耗能則得不償失，為了瞭解CIGS太陽能屋瓦與傳統屋瓦的溫度差異，首先，建立輻射性質計算模型，計算太陽能屋瓦各材料的吸收率頻譜及生熱量，並針對各層生熱量提出改善建議；接著是建立溫度計算數值模型，將各材料的生熱量及邊界條件帶入數值模型當中，計算屋瓦的溫度曲線；最後搭建實驗平台，量測太陽能屋瓦及傳統屋瓦溫度，並比較兩種屋瓦的溫度差異，以及提出太陽能屋瓦的改善建議。

In the modern era of the rise of green energy, solar energy plays an important role because of the stable energy source of the sun. Copper indium gallium selenide (CuInGaSe2) solar cells are thin-film solar cells that can be fabricated on flexible substrates, so they have a wide range of applications. In recent years, they have been fabricated into solar roof tiles for use as building materials. It has beautiful appearance and economic benefits of power generation. However, after replacing traditional roof tiles with solar roof tiles, the excess energy consumption caused by the increase in indoor temperature will not be worth the loss. To understand the temperature difference between CIGS solar roof tiles and traditional roof tiles, first, establish a radiation property calculation model to calculate the absorption spectrum and heat generation of each material of the solar tile, and suggestions for improving the heat generation of each layer; then the establishment of a temperature calculation numerical model, the heat generation of each material and boundary conditions are input to the numerical model, and the temperature curve of the tiles are calculated ; Finally, an experimental platform was built to measure the temperature of solar tiles and traditional tiles, and compare the temperature differences between the two tiles, and put forward suggestions for improvement of solar tiles.

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