New indolo[1,2-c]quinazolines for single-crystal field-effect transistor: A united experimental and theoretical studies,Journal of Physical Organic Chemistry

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New indolo[1,2-c]quinazolines for single-crystal field-effect transistor: A united experimental and theoretical studies
Journal of Physical Organic Chemistry ( IF 1.9 ) Pub Date : 2021-08-27 , DOI: 10.1002/poc.4276
Venkat Swamy Puli ₁ , Suresh Kilaru ₂ , Yadagiri Bhongiri ₂ , Sreenath Reddy Marri ₃ , Anuj Tripathi ₄ , Prabhakar Chetti ₄ , Anindita Chatterjee _{1,

5} , Kiran Kumar Vukoti ₁ , Someshwar Pola ₂

Affiliation

Here, we account the synthesis and characterization of a series of symmetrical fused heterocyclic aromatic hydrocarbons (HAHs) with an indolo[1,2-c]quinazoline (IQ) as the core moiety. All the new HAHs IQ series were systematically investigated by using various spectroscopic methods. Furthermore, their photo-physical properties were supported by density functional theory (DFT) and time-dependent density functional theory (TDDFT) studies to support the experimental findings. The tetramethyl-substituted indolo[1,2-c]quinazoline (TMIQ) compound is shown to exhibit the shifted type of π–π stacking interactions, which render this series as a new semiconducting material. Single-crystal-based field-effect transistor devices of TMIQ exhibited efficient charge transport behavior, giving a p-channel field-effect mobility of 0.25 cm² V⁻¹ s⁻¹ with an on/off ratio of 5 × 10⁵.

中文翻译：

用于单晶场效应晶体管的新型吲哚[1,2-c]喹唑啉：联合实验和理论研究

在这里，我们考虑了一系列以吲哚[1,2- c ]喹唑啉（IQ）为核心部分的对称稠合杂环芳烃（HAH）的合成和表征。通过使用各种光谱方法系统地研究了所有新的 HAH IQ 系列。此外，它们的光物理特性得到了密度泛函理论 (DFT) 和瞬态密度泛函理论 (TDDFT) 研究的支持，以支持实验结果。四甲基取代的吲哚[1,2- c ]喹唑啉（TMIQ）化合物显示出π - π的位移类型堆叠相互作用，使该系列成为一种新的半导体材料。TMIQ 的基于单晶的场效应晶体管器件表现出有效的电荷传输行为，p 沟道场效应迁移率为 0.25 cm ² V ^-1 s ^-1，开/关比为 5 × 10 ⁵。

更新日期：2021-08-27

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