新型荧光光子晶体薄膜及其在染料敏化太阳能电池背反射层中的应用
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摘要
通过水热-垂直沉积法制备了一种新型的荧光光子晶体薄膜,得到的荧光光子晶体具有鲜艳的色彩和良好的荧光性能.此薄膜在460 nm处有明显的反射峰,在440 nm处有很强的荧光峰.将此荧光光子晶体薄膜作为染料敏化太阳能电池背反射层时,可以将开路电压由0.75 V提高到0.77 V,短路电流由7.64 m A/cm2提高到8 m A/cm2,光电转换效率由4.13%提高到4.23%,可以提高2.42%的光电转换效率.
A novel kind of fluorescent photonic crystal( FPC) films was generated by hydrothermalvertical deposition method,exhibiting brilliant structural color and good fluorescence simultaneously. The FPC films have a strong reflection peak at 460 nm and a strong fluorescence peak at 440 nm. When fluorescent photonic crystal films are used as the back-reflecting layers of dye-sensitized solar cells,the photoelectric conversion efficiency increases from 4. 13% to 4. 23%.
A novel kind of fluorescent photonic crystal( FPC) films was generated by hydrothermalvertical deposition method,exhibiting brilliant structural color and good fluorescence simultaneously. The FPC films have a strong reflection peak at 460 nm and a strong fluorescence peak at 440 nm. When fluorescent photonic crystal films are used as the back-reflecting layers of dye-sensitized solar cells,the photoelectric conversion efficiency increases from 4. 13% to 4. 23%.
引文
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[15]Diacon A,Rusen E,Mocanu A,et al.Fluorescence properties of photonic crystals doped with perylenediimide[J].Langmuir,2011,27(12):7464.
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[17]Lawrence J R,Shim G H,Jiang P,et al.Dynamic tuning of photoluminescent dyes in crystalline colloidal arrays[J].Adv Mater,2005,17(19):2344.
[18]Zhang J,Ling L,Wang C F,et al.Versatile dendrimer-derived nanocrystal microreactors towards fluorescence colloidal photonic crystals[J].J Mater Chem C,2014,2(18):3610.
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