用于有机太阳能电池的三维非富勒伦受体与扭曲的hexabenzocoronene和perylenediimide
Xin Zhu1, Lei Yang1, Yangyang Pan1
1The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Non-carbon Energy Conversion and Utilization Institute, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai, 200234, P. R. China.
研究人员开发了一种新型的3D分子,扭曲的六合-六合enzocoronene tetra perylenediimide (HBC-4-PDI),作为有机太阳能电池 (OSC) 的非富勒受体. 这种新材料显示了更好的光吸收和形态,为传统的烯受体提供了有希望的替代品.
科学领域:
- 材料科学 材料科学 材料科学
- 有机电子 有机电子
- 太阳能光伏发电是如何实现的
背景情况:
- 像PCBM这样的富勒烯衍生物已经主导了有机太阳能电池 (OSC),但存在局限性.
- 这些局限性包括吸收弱,捕捞能力差,聚合问题和高生产成本.
- 开发具有3D结构的非富勒烯受体是克服这些挑战的关键策略.
研究的目的:
- 设计和合成一种新的三维 (3D) 非富勒伦小分子接受器.
- 评估其作为大量异质连接有机太阳能电池 (OSC) 中富勒烯衍生物替代物的潜力.
- 调查3D分子几何学对材料特性和设备性能的影响.
主要方法:
- 一个3D分子的合成:扭曲的六合-cata-hexabenzocoronene tetra perylenediimide (HBC-4-PDI). 这是一个3D分子的合成.
- 描述HBC-4-PDI的光学和电子特性.
- 使用HBC-4-PDI作为接受器材料制造和测试OSC设备.
- 混合膜形态和相位分离的分析.
主要成果:
- HBC-4-PDI在UV-VIS光谱中表现出广泛而强烈的光吸收.
- 3D结构有效地减轻了自我聚合,促进了混合膜中的最佳相位分离.
- 使用HBC-4-PDI的OSC在1.06V的开放电路电压下实现了2.70%的初步功率转换效率.
结论:
- HBC-4-PDI显示出作为OSCs的高性能非富勒林受体具有显著的潜力.
- 3D分子设计对于增强光吸收和控制形态学至关重要.
- 这项研究强调了开发下一代有机太阳能电池材料的有前途途途径.
更多相关视频
06:49In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation
Published on: March 2, 2021
09:35Preparation of a Corannulene-functionalized Hexahelicene by CopperI-catalyzed Alkyne-azide Cycloaddition of Nonplanar Polyaromatic Units
Published on: September 18, 2016
相关概念视频
Aromatic Hydrocarbon Cations: Structural Overview
Removing one hydrogen from the intervening CH2 group...
π Molecular Orbitals of 1,3-Butadiene
The simplest conjugated diene is 1,3-butadiene: a four-carbon system where each carbon is sp2-hybridized and has an unhybridized p orbital that contains an unpaired electron. According to molecular orbital theory, atomic orbitals combine to form molecular orbitals such that the number...
Photochemical Electrocyclic Reactions: Stereochemistry
Selection Rules: Photochemical Activation
Structure of Benzene: Molecular Orbital Model
Aromatic Hydrocarbon Anions: Structural Overview
Due to the absence of continuous...
[4+2] Cycloaddition of Conjugated Dienes: Diels–Alder Reaction
