2023年10月1日 · • A covalent organic framework, COF-5, with 2D structure used as host porous material. • Electronic properties of COF-5 tuned by intercalation of electroactive guest TCNQ. • Successful doping of TCNQ into COF-5 pores and charge transfer interactions confirmed. • COF-5 structures contributing to conduction pathways retained after TCNQ ...

2023年6月6日 · Here, to provide a useful strategy to tune the electronic character of COFs, doping effects with organic molecular acceptors, TCNQ, F 4 TCNQ, and TCNE, on the frontier orbital energy levels of sp 2 c-COF and COF366 mono- and bilayers are explored.

2020年10月27日 · By using the strong organic acceptor F 4 TCNQ, a massive increase of the radical cation density (up to 0.5 radicals per unit cell) and long-term stable electrical conductivity as high as 3.67 S m −1 were achieved for the anisotropic transport in an oriented film, one of the highest for any doped COF to date.

2023年6月6日 · 共价有机骨架（COF）是一类新兴的二维功能材料，其独特的电子特性在实际应用中发挥着关键作用。 在这里，为了提供一种有用的策略来调整 COF 的电子特性，有机分子受体、TCNQ、F 4 TCNQ和 TCNE 的掺杂效应对 sp 2 c-COF 和 COF366 单层和双层的前沿轨道能级的 …

Finally, we show that p -type COFs are amenable to doping with electron acceptors and report an unusual charge-transfer complex with tetracyanoquinodimethane (TCNQ). We prepared thiophene-based COF (T-COFs) under conditions mimicking those used for the synthesis of the prototypical COF-5.

2022年1月1日 · Covalent organic frameworks (COFs) with implemented electroactive moieties and coherent conduction channels are found to be competent for the transport of charges, in a similar manner as conventional organic (semi)conductors.

2023年10月1日 · The present work demonstrated the tuning of the electrical conductivity of COF-5 via the intercalation of the electroactive guest molecules, TCNQ, following two distinct doping strategies: the pre-doping approach— in situ synthesis of COF-5 with simultaneous presence of TCNQ; and the post-doping approach—post-insertion of TCNQ molecules ...

Benefiting from the increased conductivity, the addition of BPTA-TAPD-COF@TCNQ in the device led to the highest power conversion efficiency of 24.68% with long-term stability in harsh conditions. This work provides an example of using COFs as additives of HTL to enable improvements of both efficiency and stability for PSCs.

通过将吸电子客体四氰基醌二甲烷 (TCNQ) 插入 COF 主体的开放空间（TP-TBDA；TP = 2,4,6-三羟基-1,3,5-苯三甲醛和 TBDA），形成有效的电荷传输网络= 2,5-di (thiophen-2-yl)benzene-1,4-diamine) 具有给电子特性；基于COF的主客体系统（TP-TBDA@TCNQ）的构建触发了非发射TP-TBDA的ECL发射。

2021年12月3日 · In this paper, we present a fast and simple synthesis of a hybrid MOF film, composed of copper ions and two different organic ligands HHTP and TCNQ (hereon referred to as Cu-HHTP-TCNQ), that shows an average conductivity of 0.033 S cm −1 and a chemiresistive response toward ambient changes, despite its discontinuous architecture and its ...

2022年5月9日 · By selecting the fluorene (Flu) and the 7,7′,8,8′-tetracyanoquinodimethane (TCNQ) as functional constituents, the Flu-TCNQ cocrystal prepared shows deep red emission at 702 nm, which is comparable to the commercialized red quantum dot.

2024年10月7日 · We have shown the feasibility of an organic all-solid-state lithium metal battery using TCNQ as organic electroactive material and a Covalent Organic Framework/PEO composite as solid electrolyte. The two lithiation steps LiTCNQ and Li 2 …

Tetracyanoquinodimethane (TCNQ) complexes of fluorene, dibenzofuran, dibenzothiophene, terphenyl, dithienothiophene, and carbazole show n-channel transistor properties, whereas that of diaminoterphenyl and phenothiazine exhibits ambipolar characteristics.

2016年7月25日 · Electrically conducting TTF–TCNQ thin films are fabricated on various molecular crystals containing 7,7,8,8-tetracyanoquinodimethane (TCNQ) by exposing a tetrathiafulvalene (TTF) vapor under ambien...

In this contribution, TCNQ is applied as a volatilizable additive into the J52: IEICO -based active layer (Fig. 1a) to systematically investigate the effect of TCNQ on the photovoltaic, electrical …

2020年11月19日 · 最近，我院左景林教授及其合作者在氧化还原活性功能配合物研究中取得新进展，题为“A Metal-Organic Framework Based on a Nickel Bis (dithiolene) Connector: Synthesis, Crystal Structure, and Application as an Electrochemical Glucose...

29261-33-4, F4- TCNQ, TCNQF4, Perfluoro- TCNQ,Tetrafluorotetracyan o- p- quinodimethane;, 共价有机框架材料COF 单体，用于合成COF或POP材料:, 楷树 ...

2016年12月1日 · 7,7,8,8-tetracyanoquinodimethane (TCNQ), a strong electron withdrawing olefin, has long been regarded as an ideal compound for the synthesis of semiconducting coordination polymers when coordinated to transition metals.

7,7,8,8-四氰基苯醌二甲烷物理化学性质

Here, a COF-based host–guest system was constructed through guest molecular assembly to deal with nuclear contamination analysis. The efficient charge transport network was formed by inserting an electron-withdrawing guest tetracyanoquinodimethane (TCNQ) into