Surface-Doped Organic Charge Transfer Cocrystal Heterostructures and Their Variable Dual-Color Light Emission and Propagation

Wang Jing; Xu Shuping; Zhang Houyu; Chen Lei; Guan Shulin; Xu Weiqing

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Surface-Doped Organic Charge Transfer Cocrystal Heterostructures and Their Variable Dual-Color Light Emission and Propagation

机译：表面掺杂的有机电荷转移聚碳酸异质结构及其可变双色发光和传播

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A novel strategy for constructing the organic core-shell structures/heterostructures (OCSHs) was developed by the surface doping of a charge transfer (CT) Py-TFP cocrystal (Py = pyrene; TFP = tetrafluoroterephthalonitrile) with the donor (D) or acceptor (A) replacement reaction. The lattice-selective doping of Pe (Pe = perylene) or TCNB (TCNB = 1,2,4,5-tetracyanobenzene) molecules on the Py-TFP surface resulted from both the molecular size match/mismatch and the distribution of the intermolecular hydrogen bonds. Spectroscopic analyses disclosed that the components of two types of lattice-oriented external shells, (Py-TFP)(1-x)(Pe-TFP)(x) and (Py-TFP)(1-y)(Py-TCNB)(y), have the doping ratios of 0 < x <= 2.00% and 0 < y <= 4.03%, respectively. Their di-block core-shell heterostructures display the spatially segregated yellow-blue dual-color emission and the position-dependent optical waveguide with active and passive waveguide modes. Meanwhile, the Pe doped Py-TFP core-shell cocrystal presents (1,0,0) and (0,1,1) lattice-dependent emission and lightwave transmission. This study provides an effective fabrication strategy for the OCSH construction, and this core-shell cocrystallized heterojunction can be available for photonic and optoelectronic functional applications.

机译：通过电荷转移（CT）Py-TFP共晶体（Py=芘；TFP=四氟对苯二甲腈）与施主（D）或受主（A）置换反应的表面掺杂，开发了一种构建有机核壳结构/异质结构（OCSHs）的新策略。Py TFP表面上Pe（Pe=苝）或TCNB（TCNB=1,2,4,5-四氰基苯）分子的晶格选择性掺杂是由分子尺寸匹配/失配和分子间氢键分布引起的。光谱分析表明，两种晶格取向的外壳层（Py-TFP）（1-x）（Pe-TFP）（x）和（Py-TFP）（1-y）（Py-TCNB）（y）的组分的掺杂率分别为0

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《Crystal growth & design》 |2021年第5期|共12页
作者
Wang Jing; Xu Shuping; Zhang Houyu; Chen Lei; Guan Shulin; Xu Weiqing;
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作者单位

Jilin Normal Univ Minist Educ Key Lab Preparat &

Applicat Environm Friendly Mat Changchun 130103 Peoples R China;

Jilin Univ Coll Chem Inst Theoret Chem State Key Lab Supramol Struct &

Mat Changchun 130012 Peoples R China;

Jilin Univ Coll Chem Inst Theoret Chem State Key Lab Supramol Struct &

Mat Changchun 130012 Peoples R China;

Jilin Normal Univ Minist Educ Key Lab Preparat &

Applicat Environm Friendly Mat Changchun 130103 Peoples R China;

Jilin Univ Coll Chem Inst Theoret Chem State Key Lab Supramol Struct &

Mat Changchun 130012 Peoples R China;

Jilin Univ Coll Chem Inst Theoret Chem State Key Lab Supramol Struct &

Mat Changchun 130012 Peoples R China;

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正文语种 eng
中图分类晶体学;
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Surface-Doped Organic Charge Transfer Cocrystal Heterostructures and Their Variable Dual-Color Light Emission and Propagation

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