
Boosting the cyclability of tetracyanoquinodimethane (TCNQ) as …
2021年12月1日 · In the case of TCNQ based cathode material, the existence of Al 3+ on one hand inhibits the cathode dissolution, while on the other hand contributes additional capacity via reversible intercalation. As the result, both capacity and cyclability are enhanced synergistically. Our study demonstrates that adding
The role of molecular oxygen (O2) and UV light in the anion …
2023年1月9日 · We report the electronic absorption spectroscopy of 7,7,8,8-tetracyanoquinodimethane (TCNQ) and its fluorinated derivatives (F2TCNQ and F4TCNQ), well-known electron-accepting molecules in common organic solvents (toluene, chlorobenzene, acetonitrile, and ethanol) under controlled exposure to air (O2) and UV light.
Distinct Tetracyanoquinodimethane Derivatives: Enhanced …
2021年1月22日 · Tetracyanoquinodimethane (TCNQ) is known to react with various amines to generate substituted TCNQ derivatives with remarkable optical and nonlinear optical characteristics. The choice of amine plays a crucial role in the outcome of …
7,7,8,8-四氰基对苯二醌二甲烷 - 维基百科,自由的百科全书
这种 多腈 (英语:cyanocarbon) 是 对苯醌 的衍生物,为电子受体,用于制备 电荷转移配合物,在 分子电子学 中有所研究。 TCNQ可由 1,4-环己二酮 (英语:1,4-cyclohexanedione) 和 丙二腈 的缩合反应制备,反应中通过 溴 脱氢得到二烯: [1] 它是平面分子,有D 2h 对称性。 [2] ^ Acker, Donald S.; Hertler, Walter R. Substituted Quinodimethans. I. Preparation and Chemistry of 7,7,8,8-Tetracyanoquinodimethan.
Charge-transfer-induced structural rearrangements at both
2010年3月28日 · In the following we describe the effect that charge transfer across the interface between a Cu (100) crystal and the organic acceptor tetracyano- p -quinodimethane (TCNQ) has on the conformation...
7,7,8,8-Tetracyanoquinodimethane (TCNQ) emits visible
2017年12月1日 · 7,7,8,8-Tetracyanoquinodimethane (TCNQ) has been used as a versatile building block for designing organic conductors and assemblies. It is believed that the fluorescence quantum yield of TCNQ is extremely low and …
南京邮电大学黄维院士、仪明东教授《AM》:分子介导策略,助 …
2023年9月7日 · 作者通过 引入高极性溶剂乙腈(ACN) 后,利用拉曼成像发现电荷转移体Ag-TCNQ及TCNQ分子域扩大,拉曼强度增大,且PVK分布与TCNQ明显呈互补形态 ...
Angewandte Chemie International Edition - Wiley Online Library
2024年9月18日 · Ultrasonic liquid-phase exfoliation of a layered ferromagnet, Fe 3 GeTe 2, produces nanosheets with weak coercivity of ~0.1 T. The nanosheets react with an organic acceptor, TCNQ, to yield an FGT-TCNQ composite with a 5-fold increase in coercivity.
[2106.04295] Nodal-line semimetal HMTSF-TCNQ: Anomalous …
2021年6月8日 · This study investigates the electronic states and physical quantities of an organic charge-transfer complex HMTSF-TCNQ, which undergoes a charge-density-wave (CDW) phase transition at temperature K. A first-principles calculation is utilized to determine that the normal state is a topological semimetal with open nodal lines.
7,7,8,8-四氰基对苯二醌二甲烷 | 1518-16-7 - ChemicalBook
2025年2月5日 · ChemicalBook 为您提供7,7,8,8-四氰基对苯二醌二甲烷 (1518-16-7)的化学性质,熔点,沸点,密度,分子式,分子量,物理性质,毒性,结构式,海关编码等信息,同时您还可以浏览7,7,8,8-四氰基对苯二醌二甲烷 (1518-16-7)产品的价格,供应商,贸易商,生产企业和生产厂家,最后7,7,8,8-四氰基对苯二醌二甲烷 (1518-16-7)的中文,英文,用途,CAS,上下游产品信息可能也是您需要的。
Matrix dependence of light emission from TCNQ adducts
Fluorescence spectra of 1,2,3,4-tetrahydroquinoline (THQ) in binary and ternary mixtures in nonpolar and hydrogen bonding solvents at different temperatures are investigated. A probable case of partial protonation of THQ at 300 K due to hydrogen bonding in the excited state with ethanol is reported.
Optical properties of (TTF) (TCNQ) in the visible and infrared
1973年10月1日 · Polarized optical studies of single crystals and polycrystalline compactions of the organic salt (TTF) (TCNQ) are reported. Metallic behavior is observed for light polarized parallel to the conducting axis. The plasma edge occurs at 1.4 μm with metallic reflection observed in the i.r.
Emerging Applications of TCNQ-Based Metal–Organic …
2024年12月16日 · This review provides an overview of the wide applicability of TCNQ-based materials in applications beyond conventional electronics, including redox catalysis, photocatalysis, water splitting, ammonia production, sensing, superhydrophobic surfaces, iodine and lithium storage, desalination, sodium-ion and potassium-ion batteries, and biological ...
7,7,8,8-四氰基苯醌二甲烷_MSDS_密度_熔点_CAS号【1518-16-7】…
7,7,8,8-四氰基苯醌二甲烷物理化学性质
提高四氰基醌二甲烷(TCNQ)作为高价阳离子水系电池正极材料 …
在这项工作中,将 Al 3+盐添加到 Na 2 SO 4 /ZnSO 4水性电解质中以稳定 TCNQ 的晶体结构并降低其溶解度。 令人惊讶的是,我们发现高价阳离子(Al 3+和 Zn 2+)在 TCNQ 中的插入/提取是高度可逆的,这导致比容量和循环寿命的协同提高。
Molecular Doping the Topological Dirac Semimetal Na
2016年6月16日 · We demonstrate efficient electron depletion ∼1013 cm–2 of Na3Bi via vacuum deposition of molecular F4-TCNQ without degrading the sample mobility. For samples with low as-grown n-type doping (1 × 1012 cm–2), F4-TCNQ doping can achieve charge neutrality and even a net p-type doping.
Tuning the charge transfer in Fx-TCNQ/rubrene single-crystal interfaces
2015年12月18日 · The combined analysis of transport and scanning Kelvin probe measurements reveals that the interfacial charge carrier density, resistivity, and activation energy correlate with the electron affinity of Fx-TCNQ crystals, with a higher affinity resulting in larger charge transfer.
Electrical conductivity of tetrathiofulvalinium ... - NASA/ADS
The extreme sensitivity of this one-dimensional metal to crystalline imperfections is experimentally demonstrated through temperature cycling studies. The dc results confirm (TTF) (TCNQ) is a one-dimensional metal exhibiting a strongly temperature-dependent b-axis conductivity that reaches maximum values exceeding 10<SUP>5</SUP> (Ω cm)<SUP ...
Remarks on giant conductivity in TTF-TCNQ - ADS
We comment on some features of the recently observed giant conductivity in TTF-TCNQ that are independent of any particular mechanism. We point out that a mean field T c of several hundred degrees is required to explain the magnitude and suggest a formula based on an activation process that fits these data as well as a ( T - T c) -3/2 law.