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4-(7-bromobenzo[c][1,2,5]thiadiazol-4-yl)-N,N-bis(4-(octyloxy)phenyl)aniline | 1384289-48-8

中文名称
——
中文别名
——
英文名称
4-(7-bromobenzo[c][1,2,5]thiadiazol-4-yl)-N,N-bis(4-(octyloxy)phenyl)aniline
英文别名
4-(4-bromo-2,1,3-benzothiadiazol-7-yl)-N,N-bis(4-octoxyphenyl)aniline
4-(7-bromobenzo[c][1,2,5]thiadiazol-4-yl)-N,N-bis(4-(octyloxy)phenyl)aniline化学式
CAS
1384289-48-8
化学式
C40H48BrN3O2S
mdl
——
分子量
714.81
InChiKey
CCLMXPUKMNATDD-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

计算性质

  • 辛醇/水分配系数(LogP):
    14.1
  • 重原子数:
    47
  • 可旋转键数:
    20
  • 环数:
    5.0
  • sp3杂化的碳原子比例:
    0.4
  • 拓扑面积:
    75.7
  • 氢给体数:
    0
  • 氢受体数:
    6

反应信息

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文献信息

  • Molecular engineering of D-A-π-A dyes with 2-(1,1-dicyanomethylene)rhodanine as an electron-accepting and anchoring group for dye-sensitized solar cells
    作者:Jiangyi Mao、Xiaoyu Zhang、Shih-Hung Liu、Zhongjin Shen、Xing Li、Wenjun Wu、Pi-Tai Chou、Jianli Hua
    DOI:10.1016/j.electacta.2015.05.003
    日期:2015.10
    The electron-accepting and anchoring group plays a significant role on the optical and electrochemical properties of an organic dye. They also affect the intramolecular charge transfer, the electron injection processes and the adsorption mode, hence the photostability of the dye on TiO2 films. In this study, we have designed and synthesized two new D-A-pi-A dyes (RD-III and RD-IV) with 2-(1,1-dicyanomethylene) rhodanine (DCRD) as electron-accepting and anchoring group. For comparison, an analogue of RD-III, namely CA-III, with cyanoacrylic acid (CA) as the acceptor was also prepared. We have carefully examined their optical and electrochemical properties, device performance and electrochemical impedance spectroscopy (EIS). Supplementary support is given by computational approach to gain indepth insight into the adsorption states and electron contributions. The theoretical calculation of dye/(TiO2)(38) displayed that the angle between the molecule of RD-III and the surface of TiO2 was only 31.84(0) in contrast to 97.16(0) for CA-III. This adsorption state can facilitate dye aggregation and charge recombination, resulting in a decrease of short circuit current density (J(sc)) and open circuit voltage (V-oc). Further improvement has been successfully made by adding long alkoxy chains with large steric hindrance. After introducing the alkoxy chains, the dihedral angle between RD-IV and TiO2 increased to 42.61(0) and the steric hindrance can inhibit dye aggregation and charge recombination. Therefore, higher photoelectric conversion efficiency of 5.53 % was obtained with RD-IV in DSSC devices compared with 4.51 % for DSSC based on RD-III. (C) 2015 Elsevier Ltd. All rights reserved.
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