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Updated: Sep 18, 2025

Ambient Method for the Production of an Ionically Gated Carbon Nanotube Common Cathode in Tandem Organic Solar Cells
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Ambient Method for the Production of an Ionically Gated Carbon Nanotube Common Cathode in Tandem Organic Solar Cells

Published on: November 5, 2014

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模块化交互由光修饰的宽带间隙小分子受体诱导 能够实现高性能三级有机光伏

Yuanyuan Zhang1, Shijie Cheng1, Meijia Chang2

  • 1School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|June 20, 2025
PubMed
概括

这项研究探讨了有机太阳能电池 (OSC) 的小分子受体 (SMA) 中的蓝色组的放置. 新型UF-BCN接受器通过优化形态和实现19.34%的功率转换效率来提高三元OSC性能.

关键词:
蓝集团 蓝集团分子间相互作用的分子间相互作用.小分子受体的受体.表面能量是表面的能量.三元的有机太阳能电池是有机的太阳能电池.

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Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light11:26

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Photochemical Electrocyclic Reactions: Stereochemistry

The absorption of UV–visible light by conjugated systems causes the promotion of an electron from the ground state to the excited state. Consequently, photochemical electrocyclic reactions proceed via the excited-state HOMO rather than the ground-state HOMO. Since the ground- and excited-state HOMOs have different symmetries, the stereochemical outcome of electrocyclic reactions depends on the mode of activation; i.e., thermal or photochemical.
Selection Rules: Photochemical Activation
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Electrocyclic reactions are reversible reactions. They involve an intramolecular cyclization or ring-opening of a conjugated polyene. Shown below are two examples of electrocyclic reactions. In the first reaction, the formation of the cyclic product is favored. In contrast, in the second reaction, ring-opening is favored due to the high ring strain associated with cyclobutene formation.
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P-N junction

A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...
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