Coordination programming of photofunctional molecules.

Coordination programming of photofunctional molecules.
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光功能分子的协调编程。

DOI:
10.3390/molecules18044091
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发表时间:
2013-04-05
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Nishihara H
Nishihara H
中科院分区:
其他
文献类型:
--
作者:
Sakamoto R;Kusaka S;Hayashi M;Nishikawa M;Nishihara H

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我们最近的成就有关的光功能分子的地址。第一部分提出了光异构化的新概念。吡啶基嘧啶-铜络合物经历可以由铜中心的氧化还原状态调制的环反转。结合由Cu(I)态的金属-配体电荷转移(MLCT)跃迁引发的分子间光电子转移(PET),我们实现了环反转的光子调控。第2节报道了混配双(二吡咯啉合)锌(II)配合物的第一个实例。传统的均配型双(dipyrinato)锌(II)配合物的荧光量子产率低,而杂配型的功能明亮的荧光,即使在极性溶剂中。第3节描述了我们对Pechmann染料的新发现,该染料于1882年首次合成。以双(芳基乙炔基)富马酸二甲酯为原料合成Pechmann染料的新方法产生了其新的结构异构体。我们还展示了一个供体-受体-供体型的Pechmann染料在有机电子学中的潜力。
Our recent achievements relating to photofunctional molecules are addressed. Section 1 discloses a new concept of photoisomerization. Pyridylpyrimidine-copper complexes undergo a ring inversion that can be modulated by the redox state of the copper center. In combination with an intermolecular photoelectron transfer (PET) initiated by the metal-to-ligand charge transfer (MLCT) transition of the Cu(I) state, we realize photonic regulation of the ring inversion. Section 2 reports on the first examples of heteroleptic bis(dipyrrinato)zinc(II) complexes. Conventional homoleptic bis(dipyrrinato)zinc(II) complexes suffered from low fluorescence quantum yields, whereas the heteroleptic ones feature bright fluorescence even in polar solvents. Section 3 describes our new findings on Pechmann dye, which was first synthesized in 1882. New synthetic procedures for Pechmann dye using dimethyl bis(arylethynyl)fumarate as a starting material gives rise to its new structural isomer. We also demonstrate potentiality of a donor-acceptor-donor type of Pechmann dye in organic electronics.
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