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Sequential series multijunction dye-sensitized solar cells (SSM-DSCs): 4.7 volts from a single illuminated area
Energy & Environmental Science ( IF 32.5 ) Pub Date : 2017-07-24 00:00:00 , DOI: 10.1039/c7ee01526g
Hammad Cheema 1, 2, 3, 4, 5 , Roberta R. Rodrigues 1, 2, 3, 4, 5 , Jared H. Delcamp 1, 2, 3, 4, 5
Affiliation  

Sequential series multijunction dye-sensitized solar cells (SSM-DSCs), which are mechanically stacked single illuminated area DSC devices wired in series, are reported to have exceptionally high photovoltages (Voc) ranging from 1.9–4.7 V from 2–5 stacked subcells. The use of multiple photoactive films under one area within the SSM-DSC framework is made possible by fine-tuning the thickness of TiO2 in each device and by judicious dye selection to allow for excellent light distribution among the films, termed as “photon management”. The SSM-DSC approach allows for incorporation of materials designed to use the maximal potential energy of photons in each region of the solar spectrum. Importantly, SSM-DSCs were observed to maintain high Voc under low-light conditions, rendering these systems very attractive for indoor applications. Additionally, an SSM-DSC was found to have a solar-to-fuel conversion efficiency of 2% (2.7% including H2 production) for the reduction of CO2 to CO with IrO2 and Au2O3 electrocatalysts, without an external bias.

中文翻译:

顺序串联多结染料敏化太阳能电池(SSM-DSC):来自单个照明区域的4.7伏

顺序串联多结染料敏化太阳能电池(SSM-DSC)是机械堆叠的单个照明区域DSC器件,串联连接,据报道,在2–5个堆叠子电池中具有1.9–4.7 V的极高光电压(V oc)。 。通过微调每个设备中TiO 2的厚度并通过明智地选择染料以使各膜之间具有出色的光分布,可以在SSM-DSC框架内的一个区域内使用多个光敏膜,这被称为“光子管理”。 ”。SSM-DSC方法允许并入设计为在太阳光谱的每个区域中使用光子的最大势能的材料。重要的是,观察到SSM-DSC保持高V oc在弱光条件下,使这些系统对室内应用非常有吸引力。此外,SSM-DSC被发现具有Ir- 2和Au 2 O 3电催化剂将CO 2还原为CO的太阳能转化效率为2%(包括H 2产生为2.7%)。偏见。
更新日期:2017-08-09
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