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2024年12月27日发(作者：姓名数字代码在线转换)
钙钛矿电池中间层的作用及优化研究最新进展
The intermediate layer in perovskite solar cells plays a crucial
role in enhancing the device performance. It functions as a charge
transport layer, facilitating the efficient extraction of
photogenerated electrons from the perovskite layer to the electrode.
Additionally, it helps to prevent charge recombination and improve
the stability of the device.
There are various materials that can be used as the intermediate
layer, such as organic small molecules, polymers, and inorganic
compounds. These materials should possess high electron mobility,
good energy level alignment with the perovskite layer, and good
compatibility with the electrode materials.
One commonly used material for the intermediate layer is PCBM
(phenyl-C61-butyric acid methyl ester), which is an organic small
molecule. PCBM has demonstrated excellent charge transport
properties and good energy level alignment with perovskite, making
it an ideal choice for the intermediate layer.
Another material that has gained attention recently is graphene,
a two-dimensional carbon material. Graphene possesses high electron
mobility and excellent mechanical and thermal stability, making it
a promising candidate for the intermediate layer in perovskite solar
cells.
In conclusion, the intermediate layer in perovskite solar cells
is a crucial component that enhances device performance. The
selection of suitable materials for the intermediate layer is
essential to achieve efficient charge transport and improve the
stability of the device.
中文回答:
钙钛矿太阳能电池中的中间层在提高器件性能方面起着至关重要的作
用。它作为电荷传输层，促进了从钙钛矿层到电极的光生电子的高效提取。
此外，它还有助于防止电荷复合并提高器件的稳定性。
中间层可以使用各种材料，例如有机小分子、聚合物和无机化合物。
这些材料应具有高电子迁移率，与钙钛矿层能级良好对齐，并与电极材料
具有良好的相容性。
一种常用的中间层材料是PCBM（苯基-C61-丁酸甲酯），它是一种有机
小分子。PCBM表现出优异的电荷传输性能和与钙钛矿良好的能级对齐，使
其成为中间层的理想选择。
最近引起关注的另一种材料是石墨烯，一种二维碳材料。石墨烯具有
高电子迁移率和优良的机械和热稳定性，使其成为钙钛矿太阳能电池中中
间层的有希望的候选材料。
总之，钙钛矿太阳能电池中的中间层是提高器件性能的关键组成部分。
选择适合的中间层材料对于实现高效的电荷传输和提高器件的稳定性至
关重要。
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