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2,5-Dimethoxybenzene-1,4-dicarboxaldehyde: An Emissive Organic Crystal and Highly Efficient Fluorescent Waveguide.
ChemPlusChem ( IF 3.0 ) Pub Date : 2019-01-28 , DOI: 10.1002/cplu.201800597
Shotaro Hayashi 1 , Toshio Koizumi 1 , Natsumi Kamiya 1
Affiliation  

To identify the simplest organic structure for an emitter, we focused on 2,5-dimethoxybenzene-1,4-dicarboaldehyde. This symmetric molecule has a very low molecular weight (MW=194), a single benzene unit, and consists of only three elements (H, C and O). It forms highly efficient and pure emitting crystals (λem=499 nm, ΦF =0.42, FWHM=42 nm) due to the rigid structure based on the single benzene framework and four intramolecular hydrogen bonds between electron-donating methoxy and electron-accepting aldehyde groups. This crystal acts as a good optical waveguide with pure green emission (FWHM=34 nm) and very low loss coefficient (0.00120 dB/μm).

中文翻译:

2,5-二甲氧基苯-1,4-二甲醛:一种自发光的有机晶体和高效的荧光波导。

为了确定发射体的最简单有机结构,我们重点研究了2,5-二甲氧基苯-1,4-二甲醛。该对称分子的分子量非常低(MW = 194),只有一个苯单元,并且仅包含三个元素(H,C和O)。由于基于单个苯骨架的刚性结构以及给电子的甲氧基和电子接受的醛基之间的四个分子内氢键,它形成高效且纯净的发射晶体(λem= 499 nm,ΦF= 0.42,FWHM = 42 nm) 。该晶体可作为良好的光波导,具有纯绿色发射(FWHM = 34 nm)和非常低的损耗系数(0.00120 dB /μm)。
更新日期:2019-01-28
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