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CC BY 4.0 · Organic Materials
DOI: 10.1055/a-2291-8774
Short Communication

A Nonbenzenoid 3D Nanographene Containing 5/6/7/8-Membered Rings

Pengcai Liu
1   College of Chemistry, Nankai University, Tianjin, China (Ringgold ID: RIN12538)
,
Hao-Han Lv
1   College of Chemistry, Nankai University, Tianjin, China (Ringgold ID: RIN12538)
,
Rui Xue
1   College of Chemistry, Nankai University, Tianjin, China (Ringgold ID: RIN12538)
,
Xiao-Yu Tang
1   College of Chemistry, Nankai University, Tianjin, China (Ringgold ID: RIN12538)
,
Xing-Yu Chen
1   College of Chemistry, Nankai University, Tianjin, China (Ringgold ID: RIN12538)
,
Liping Qi
1   College of Chemistry, Nankai University, Tianjin, China (Ringgold ID: RIN12538)
,
Xiao-Ye Wang
2   College of Chemistry, Nankai University, Tianjin, China (Ringgold ID: RIN12538)
› Author AffiliationsSupported by: National Natural Science Foundation of China 22071120,22221002,92256304
Supported by: Fundamental Research Funds for the Central Universities
Supported by: National Key Research and Development Program of China 2020YFA0711500
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Nanographenes (NGs) have attracted continuous attention in recent years owing to their opened bandgaps and optoelectronic applications. Especially, nonbenzenoid NGs containing non-six-membered rings have been developed rapidly due to their unique structures and properties. In this work, we employ nonbenzenoid acepleiadylene (APD) and the cyclooctatetraene (COT) moiety to construct the first three-dimensional (3D) NG containing 5/6/7/8-membered rings in one molecule (COT-APD). The calculated results prove that COT-APD has a saddle-like configuration similar to that of other COT-type molecules. Each APD segment in COT-APD keeps the inherent aromaticity of APD moiety. Compared with other COT-type molecules, COT-APD shows a narrower bandgap, which indicates the superiority of APD in bandgap regulation. Furthermore, four reversible reductive waves are observed in electrochemical characterizations, demonstrating the excellent electron-accepting capability of COT-APD.



Publication History

Received: 01 January 2024

Accepted after revision: 22 February 2024

Accepted Manuscript online:
20 March 2024

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