Solid-State Dye-Sensitized Solar Cells using Ordered TiO2 Nanorods on Transparent Conductive Oxide as Photoanodes

Solid-State Dye-Sensitized Solar Cells using Ordered TiO2 Nanorods on Transparent Conductive Oxide as Photoanodes
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使用透明导电氧化物上的有序 TiO2 纳米棒作为光电阳极的固态染料敏化太阳能电池

DOI:
10.1021/jp209130x
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发表时间:
2012-01
影响因子:
3.7
通讯作者:
Michael Grätzel
Michael Grätzel
中科院分区:
化学3区
文献类型:
--
作者:
Robin Humphry-Baker;Carole Grätzel;Shaik M. Zakeeruddin;Michael Grätzel

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二氧化钛纳米棒阵列是在透明导电玻璃衬底上制备的,衬底上覆盖一层薄薄的二氧化钛致密层。以C106染料敏化的TiO2薄膜为光阳极,2,2',7,7'-四akis-(N,N-二甲氧基苯胺)9,9'-螺比芴(spiro-MeOTAD)为有机空穴传输材料,制备了固态染料敏化太阳能电池(ssdsc)。在全光照强度下,光伏发电转换效率为2.9%。通过电荷提取、瞬态光电压衰减和开路光电压衰减实验测定了器件中的电子寿命和电子扩散系数。
TiO2 nanorod arrays were prepared on top of a transparent conductive glass substrate covered with a thin TiO2 compact layer. Solid-state dye-sensitized solar cells (SSDSCs) were fabricated using these structured TiO2 films sensitized with C106 dye as a photoanode and 2,2',7,7'-tetrakis-(N,N-dipmethoxyphenylamine) 9,9'-spirobifluorene (spiro-MeOTAD) as the organic hole-transporting material. Photovoltaic power conversion efficiency of 2.9% was obtained at full sunlight intensity. The electron lifetime as well as the electron diffusion coefficient in the device was determined by charge extraction, transient photovoltage decay, and open-circuit photovoltage decay experiments.
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