ハイブリッドマンガネスハリドのアキラル単体結晶からの円状に偏光
Jian Zhao1, Tongjin Zhang2, Xi-Yan Dong1,3
1College of Chemistry and Molecular Engineering , Zhengzhou University , Zhengzhou 450001 , China.
Journal of the American Chemical Society
|September 19, 2019
まとめ
新しい有機-無機混合複合体[K ((dibenzo-18-crown-6) ]2MnX4は,緑色の光と光学波導体特性を示している. これらの材料は,アキラル単一結晶で初めて円形の偏光を発します.
科学分野:
- 材料科学
- 固体化学
- フォト物理学
背景:
- オーガニック・インオーガニック・ハイブリッド・コンプレックスは,高度な応用のために調整可能な性質を提供します.
- マンガンのハリドは,多様な構造および光発光特性で知られています.
- 円状に偏光したアキラル材料は,非常に求められています.
研究 の 目的:
- [K ((dibenzo-18-crown-6) ]+カチオンとマンガンのハリドを用いて新しい有機-無機混合複合体を合成し,特徴づけること.
- 光学波導体の光学性質を調査する. 光学波導体の光学性質を調査する.
- これらのアキラル単一結晶の 円状の偏光の可能性を探るため
主な方法:
- マンガンハライド (MnCl2,MnBr2) との [K(dibenzo-18-crown-6) ]+カチオンの共結結晶化
- 単一結晶のX線微分法で結晶構造と空間群を決定する.
- 光発光スペクトロスコーピーは,量子産出量を測定し,放射特性を分析する.
- 光学波導体による損失測定
主要な成果:
- [K ((dibenzo-18-crown-6) ]2MnX4 (X = Cl, Br) の同構造単結晶が成功して合成されました.
- 複合体は高量子産量で1次元の形態と緑色の光性を表しています.
- 低損失係数で優れた光学波導体動作が観察されました.
- 空間群Ccのアキラル結晶は,ラセミック単位の非中心対称な配置により,円形の偏光を発する.
結論:
- 合成された[K ((dibenzo-18-crown-6) ]2MnX4複合体は,光電子応用のための有望な材料である.
- アキラル単一結晶における円形の偏光の観測は,キラルフォトニクスの新しい道を開く.
- これらのハイブリッド材料は,光,光学波導,およびCPLの特性のユニークな組み合わせを示しています.
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