Pressure-Driven Solid-State Radical Polymerization toward Carbon Nanothread

doi:10.1021/acs.nanolett.5c03977

2025-09-01

PRE

DOI：10.1021/acs.nanolett.5c03977

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摘要

En 中文

机械化学自由基聚合在聚合物合成中具有独特的优势，这源于其溶剂消耗减少以及对不溶性单体的适应性。然而，该方法在反应过程中存在形成的聚合物难以控制的降解问题，需要开发一种具有精确可控性的新合成策略。在此，我们通过施加高达30 GPa的高静压力，发现1,3,5-三氟苯通过断裂共轭π键发生自由基聚合，并以高选择性形成碳纳米丝（Polymer-I多晶型物）。基于阈值压力下的晶体结构以及计算得到的成键路径能垒，我们推断苯环通过自由基1,2-加成路径发生反应。本研究强调，高压是一种可靠的固态自由基聚合引发方法，甚至适用于非常稳定的芳香族化合物，并为高选择性合成聚碳基材料提供了新的见解。

Keyword:

Solid-State Radical Polymerization

Polymer-I CarbonNanothread

1,3,5-Trifluorobenzene

High Pressure

期刊

Nano Letters

IF:

9.1

论文数:

2.7W

被引数:

16.5W

机构

Japan Atomic Energy Agency

学者数:

3.9K

论文数: 3.8K

被引数: 2.8K

Peking University

学者数:

1.0W

论文数: 3.8K

被引数: 14.7W

institute of chemistry, cas

学者数:

4.6K

论文数: 3.9K

被引数: 6

nankai university

学者数:

4.8W

论文数: 3.3W

被引数: 74

chinese academy of sciences

学者数:

56.7W

论文数: 45.0W

被引数: 704

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