Synthesis of π-extended B ← N coordinated phenanthroimidazole dimers and their linear and nonlinear optical properties

被引：15

作者：

Vanga, Mukundam ^{[1
]}

Sa, Shreenibasa ^{[1
]}

Kumari, Anupa ^{[2
]}

Murali, Anna Chandrasekar ^{[1
]}

Nayak, Prakash ^{[1
]}

Das, Ritwick ^{[2
]}

Venkatasubbaiah, Krishnan ^{[1
]}

机构：

[1] HBNI, Natl Inst Sci Educ & Res NISER, Sch Chem Sci, Bhubaneswar 752050, Odisha, India

[2] HBNI, Natl Inst Sci Educ & Res NISER, Sch Phys Sci, Bhubaneswar 752050, Odisha, India

来源：

DALTON TRANSACTIONS | 2020年 / 49卷 / 23期

关键词：

AGGREGATION-INDUCED EMISSION; 2-PHOTON ABSORPTION; OPTOELECTRONIC PROPERTIES; POLYCYCLIC AROMATICS; HOST MATERIALS; BORON; FLUORESCENCE; DERIVATIVES; COMPLEXES; SUBSTITUENT;

D O I：

10.1039/d0dt01024c

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Intramolecular B <- N coordinated fluorophores have shown potential applications in optoelectronics and as sensors due to their unique photophysical properties. In this work, we report the synthesis and characterization of pi-conjugated boron doped phenanthroimidazole dimers. All the pi-conjugated B <- N coordinated phenanthroimidazole dimers exhibited high quantum yields in solution (up to 99%) and moderate quantum yields in the solid state (up to 51%). We investigated the nonlinear optical properties of phenanthroimidazole dimers and found that the measurement of two-photon-absorption cross-section is correlated with the conjugation length.

引用

页码：7737 / 7746

页数：10

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