Enhanced current density of anatase TiO2 nanowire arrays by interface connection modulation in flexible quantum dot sensitized solar cells
Enhanced current density of anatase TiO2 nanowire arrays by interface connection modulation in flexible quantum dot sensitized solar cells
复制标题
通过柔性量子点敏化太阳能电池中的界面连接调制增强锐钛矿二氧化钛纳米线阵列的电流密度
DOI：
10.1016/j.jallcom.2020.154261
复制
发表时间：
2020-06
影响因子：
6.2
通讯作者：
Zhang Shengde
中科院分区：
文献类型：
--
作者：
Peng Zhuoyin;Sun Zheng;Liu Yueli;Wang Meng;Ning Zuoqiu;Li Wei;Chen Jianlin;Chen Jian;Zhang Shengde
柔性太阳能电池的稳定性和光伏转换效率是影响其工业化应用的重要问题，而太阳能电池中基本光电极的接口连接严重制约了柔性太阳能电池的工业化应用。本文采用一维二氧化钛纳米线阵列薄膜作为柔性太阳能电池的光电极，通过引入小尺寸的纳米粒子和加热加压工艺来调制光电极的界面连接。影响了光电极的电荷产生和分离性能，这可能是由于小尺寸纳米粒子在光电极中的能带发生变化所致。随着光电极界面连接的改进，电荷转移性能得到了有效的改善，表现出了更高的太阳电池电流密度值，实现了光伏转换效率从2.55%提高到3.90%。此外，在卷曲条件下，这些柔性QDSCs太阳能电池的光伏转换效率没有明显的变化。
The stability and photovoltaic conversion efficiency are very important issues for the industry application of flexible solar cells, which have been seriously limited by the interface connection of basic photo-electrodes in solar cells. Here, one-dimensional TiO2nanowire arrays films were employed as photo-electrodes of flexible solar cells, which have modulated interface connection of the photo-electrodes by introducing small size of nanoparticles and heating pressure process. The charge generation and separation properties of photo-electrodes have been influenced, which may be attributed by the changes on band energy of small size of nanoparticles in photo-electrodes. With the improvement on the interface connection in the photo-electrodes, the charge transfer property has been effectively improved, which have exhibited a higher current density value of the solar cells, achieving photovoltaic conversion efficiency enhancement from 2.55% to 3.90%. Moreover, there have no obvious changes on the photovoltaic conversion efficiency of these flexible QDSSCs solar cells under the curling condition.
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影响因子：
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