Exploring Size-Controlled Exciton Evolution Using DNA Libraries

doi:10.1021/jacs.5c21113

2026-02-19

Rosana Collepardo‐Guevara *

Eugen Stulz *

Florian Auras *

Richard H. Friend *

DOI：10.1021/jacs.5c21113

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摘要

En 中文

为了研究多色团现象，传统方法通常依赖模型共价二聚体进行光谱探查。将分子半导体整合到核酸文库中可以实现对多色团现象的快速筛选。在此，我们报道了通过DNA指导组装多达五个π共轭色团，这些色团表现出电荷分离和电子离域现象。我们整合了一系列卟啉和perylenediimides（PDIs）─广泛用于有机电子器件的分子半导体材料─到DNA中，通过碱基序列编程杂交编码最近邻组装。通过这种方式，我们可以从中心色团-DNA文库组装具有定制电子性质的多组分堆叠物。这使得能够在数小时内按需生产二聚体和多聚体，用于光谱分析。我们展示了该文库优化电荷转移的能力，通过计算预筛选近距离π堆积作为大轨道重叠和交换能的代理。我们的模块化DNA组装揭示了快速开发简单、定制化色团架构的机会，实现对色团化学计量比的控制和有序排列。

Keyword:

Aromatic compounds

Chromophores

Genetics

Hydrocarbons

Oligomers

期刊

Journal of the American Chemical Society

IF:

15.6

论文数:

20.0W

被引数:

60.2W

机构

university of southampton

学者数:

3.3W

论文数: 3.2W

被引数: 52

university of st andrews

学者数:

9.5K

论文数: 1.0W

被引数: 15

university of cambridge

学者数:

8.3K

论文数: 3.9K

被引数: 3

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