An alternative route towards monodisperse CdS quantum dots for hybrid solar cells

作者：Cao Fengfeng; Wang Hao; Xia Zhouhui; Dai Xiao; Cong Shan; Dong Chao; Sun Baoquan; Lou Yanhui^*; Sun Yinghui; Zhao Jie; Zou Guifu

来源：Materials Chemistry and Physics, 2015, 149: 124-128.

DOI：10.1016/j.matchemphys.2014.09.054

• Nanostructures
• Chemical synthesis
• Semiconductors

Monodisperse CdS quantum dots (QDs) are synthesized by thermal decomposition of organic complexes in the system of the cost-effective commercial 0(#) diesel at 200 degrees C. The prepared CdS QDs have a good dispersion and high crystallization. When the CdS QDs are doped into the blends of poly(3-hexylthiophene) (P3HT) and 1-(3-methoxycarbonyl)-propyl-1-phenyl-(6, 6)C61 (PCBM) for hybrid solar cells (HSCs), the HSCs achieve about 25% increase of power conversion efficiency in comparison to the reference device without the CdS QDs. The improvement of the cell performance mainly attributes to the increased short-circuit current density arising from the absorption enhancement in the wavelength range of 350-550 nm by introducing the synthesized CdS QDs into the P3HT: PCBM active layer.

• 出版日期2015-1-15
• 单位苏州大学