- Investigation on sensing mechanism of a fluorescent probe for TNP detection in aqueous solution
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In this paper, the synthesis and spectral properties of a fluorescent probe Nph-An for TNP detection has been introduced and its sensing mechanism has been studied with density functional theory (DFT) and time-dependent density functional theory (TD-DFT)
- Ma, Yinhua,Zhao, Li,Li, Yang,Liu, Jianyong,Yang, Yanqiang,Chu, Tianshu
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- Compound, organic luminescent material and organic electroluminescent device
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The invention provides a compound as shown in a general formula (I), which has a mother structure of sym-triphenyl substituted anthracene, is high in bond energy among atoms, has good thermal stability, is beneficial to solid-state accumulation among molecules, is large in bandwidth, has a light-emitting region in a blue light region, is high in light-emitting intensity, and has a proper energy level with adjacent levels. And injection and migration of excitons are facilitated. When the compound is used as a blue light host material in a luminescent layer, the driving voltage of an organic electroluminescent device can be effectively reduced, the luminous efficiency is improved, and the service life is prolonged. The invention also provides an organic electroluminescent device and a display device containing the compound of the general formula (I).
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- ANTHRACENE DERIVATIVES CONTAINING BENZIMIDAZOLE OR BORATE AND ORGANOELECTROLUMINESCENT DEVICE INCLUDING THE SAME
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An organic light-emitting diode comprises a first electrode layer, a second electrode layer, and an organic luminescent unit disposed between the first electrode layer and the second electrode layer. The organic luminescent unit has an organic electroluminescent material containing anthracene group as shown in General Formula (1): wherein A is selected from the group consisting of General Formula (2), General Formula (3) and General Formula (4): wherein B is selected from the group consisting of General Formula (5), General Formula (6) and General Formula (7): B is General Formula (5) when A is selected from the group consisting of General Formula (2) and General Formula (3); B is selected from the group consisting of General Formula (6) and General Formula (7) when A is General Formula (4); and wherein R1 to R43 are independently selected from the group consisting of hydrogen atom, fluorine atom, cyano group, alkyl group, cycloalkyl group, alkoxy group, haloalkyl group, thioalkyl group, silyl group and alkenyl group.
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Paragraph 0085-0086
(2020/02/08)
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- Naphthyl and anthryl containing substituted triazine derivatives, and preparation method and applications thereof
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The invention belongs to the technical field of organic electron transmission, and discloses naphthyl and anthryl containing substituted triazine derivatives, and a preparation method and applications thereof. The structure formulas are represented by for
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Paragraph 0073; 0077-0079
(2019/10/10)
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- Semiconducting Material Comprising a Phosphine Oxide Matrix and Metal Salt
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The present invention is directed to a semiconducting material comprising: i) a compound according to formula (I) wherein R1, R2 and R3 are independently selected from C1-C30-alkyl, C3-C30 cycloalkyl, C2-C30-heteroalkyl, C6-C30-aryl, C2-C30-heteroaryl, C1-C30-alkoxy, C3-C30-cycloalkyloxy, C6-C30 aryloxy, and from structural unit having general formula E-A-, wherein—A is a C6-C30 phenylene spacer unit, and—E is an electron transporting unit that is selected from C10-C60 aryl and C6-C60 heteroaryl comprising up to 6 heteroatoms independently selected from O, S, P, Si and B and that comprises a conjugated system of at least 10 delocalized electrons, and—at least one group selected from R1, R2 and R3 has the general formula E-A-; and ii) at least one complex of a monovalent metal having formula (II) wherein—M+ is a positive metal ion bearing a single elementary charge, and each of A1, A2, A3 and A4 is independently selected from H, substituted or unsubstituted C6-C20 aryl and substituted or unsubstituted C2-C20 heteroaryl, wherein a heteroaryl ring of at least 5 ring-forming atoms of the substituted or unsubstituted C2-C20 heteroaryl comprises at least one hetero atom selected from O, S and N.
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- New condensed polycyclic compound and an organic light emitting device having the same
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PROBLEM TO BE SOLVED: To provide a new condensed ring compound having red light emission of high color purity, and to provide an organic light emitting device of red light emission having high luminous efficiency and low driving voltage using the new condensed ring compound. SOLUTION: This condensed polycyclic compound is represented by a formula. In the formula, Ar1and Ar2show one of a phenyl group, biphenyl group, terphenyl group, fluorenyl group, phenanthryl group, pyrenyl group, and naphthyl group, and may be substituted by a 1-4C alkyl group. R1to R16show a hydrogen atom or a 1-4C alkyl group, and may be the same or different. COPYRIGHT: (C)2013,JPOandINPIT
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Paragraph 0078; 0079; 0080
(2018/10/19)
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- High efficient and high color pure blue light emitting materials: New asymmetrically highly twisted host and guest based on anthracene
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New asymmetrically highly twisted anthracene derivatives serve as a matched host and guest material in high efficiency blue OLEDs. 2-(2- Methylnaphtathalene-1-yl)-9,10-di(naphthalene-2-yl)anthracene and N-(4-(10-naphthalene-2-yl)anthracene-9-yl)phenyl-N-p
- Kang, Il,Back, Jang-Yeol,Kim, Ran,Kim, Yun-Hi,Kwon, Soon-Ki
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p. 588 - 595
(2012/02/01)
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