原子分散的金属原子:最大限度地减少面际电荷传输障碍,以实现高效的基于碳的矿太阳能电池
Yanying Shi1, Xusheng Cheng2, Yudi Wang3
1State Key Laboratory of Fine Chemicals, Frontier Science Center for Smart Materials, School of Chemistry, Dalian University of Technology, Dalian, 116024, People's Republic of China.
Nano-micro letters
|January 31, 2025
概括
碳纳米板 (Co1/CN) 中的原子分散通过减少界面能量障碍来提高碳基矿太阳能电池 (C-PSC) 的效率. 这一突破将PCE提升到22.61%并改善可扩展太阳能技术的长期稳定性.
科学领域:
- 材料科学 材料科学 材料科学
- 可再生能源可再生能源是可再生能源.
- 纳米技术纳米技术
背景情况:
- 基于碳的矿太阳能电池 (C-PSC) 提供了良好的稳定性,但由于界面电荷传输障碍而遭受效率损失.
- 电极接口的能量水平不匹配是C-PSC性能的一个关键限制.
研究的目的:
- 为C-PSCs开发一种新的后电极材料,以克服界面能量水平不匹配.
- 提高电力转换效率 (PCE) 和C-PSC的长期稳定性.
主要方法:
- 使用原子分散金属 (Co) 在碳纳米板 (Co1/CN) 中制造后极电极.
- 研究碳纳米板中的Co原子诱导的电子结构变化.
- 描述C-PSC的性能和稳定性,其中包含了Co1/CN背电极.
主要成果:
- Co1/CN电极通过诱导费米水平向下转移,有效地调整了界面能量水平.
- 使用Co1/CN电极的C-PSC实现了22.61%的PCE.
- 证明了特殊的长期稳定性,在1000小时的连续照明后保持94.4%的效率,没有封装.
结论:
- 碳纳米板中的原子分散为C-PSCs中碳电极能量水平的调节提供了一种通用方法.
- 这种方法显著提高了PCE和稳定性,为商业化铺平了道路.
- 开发的Co1/CN电极代表了有效和持久的太阳能转换的有希望的进步.
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