Synthesis and Properties of Novel Nonlinear Optical Polyimide Containing Nitrophenylazoresorcinoxy Group
摘要:
New Y-type polyimide (4) containing nitrophenylazoresorcinoxy groups as NLO chromophores, which are components of the polymer backbone, was prepared and characterized. Polyimide 4 is soluble in common organic solvents such as N,N-dimethylformamide and dimethylsulfoxide. It shows a thermal stability up to 290 degrees C in thermogravimetric analysis with glass-transition temperature (T-g) obtained from differential scanning calorimetry near 128 degrees C. The second harmonic generation (SHG) coefficient (d(33)) of poled polymer film at the 1064 nm fundamental wavelength is around 5.46 x 10(-9) esu. The dipole alignment exhibits a thermal stability up to T-g, and there is no SHG decay below 130 degrees C due to the partial main-chain character of polymer structure, which is acceptable for NLO device applications.
Synthesis and Properties of Novel Y-type Nonlinear Optical Polyester Containing Dioxynitroazobenzene Group with Enhanced Thermal Stability of Dipole Alignment
作者:Mi-Sung Kim、You-Jin Cho、Mi-Young Song、Ju-Yeon Lee
DOI:10.5012/bkcs.2011.32.9.3361
日期:2011.9.20
New Y-type polyester (3) containing nitrophenylazoresorcinoxy groups as NLO chromophores, which are components of the polymer backbone, was prepared and characterized. Polyester 3 is soluble in common organic solvents such as N,N-dimethylformamide and acetone. It shows a thermalstability up to in thermogravimetric analysis with glass-transition temperature () obtained from differential scanning calorimetry
Synthesis and electro-optic properties of novel X-type polyurethane containing nitrophenylazonitroresorcinoxy group with highly enhanced thermal stability of dipole alignment
作者:Hak Jin Kim、Ji-Hyang Lee、Ju-Yeon Lee
DOI:10.1002/pola.27070
日期:2014.3.15
Novel X‐type polyurethane 4 containing 4‐(4‐nitrophenylazo)‐6‐nitroresorcinoxy groups as nonlinear optical (NLO) chromophores, which are parts of the polymer main chains, was prepared and characterized. Polyurethane 4 is soluble in common organic solvents such as acetone and N,N‐dimethylformamide. It shows thermalstabilities up to 270 °C from thermogravimetric analysis with glass transition temperature
Synthesis and Nonlinear Optical Properties of Novel Y-type Polyester Containing Nitrophenylazoresorcinoxy Group
作者:You Jin Cho、Mi Sung Kim、Ju-Yeon Lee
DOI:10.1080/15421406.2011.566074
日期:2011.5.31
A new Y-typepolyester (3) containing nitrophenylazoresorcinoxy groups as NLO chromophores, which are components of the polymer backbone was prepared. Polyester 3 is soluble in common organic solvents such as N,N-dimethylformamide and acetone. It shows a thermalstability up to 240°C from thermogravimetric analysis with glass-transition temperature (T g ) obtained from differential scanning calorimetry
制备了一种新型 Y 型聚酯 (3),其含有硝基苯基偶氮间苯二酚氧基作为 NLO 发色团,是聚合物主链的组成部分。聚酯3可溶于N,N-二甲基甲酰胺、丙酮等常用有机溶剂。它显示了热重分析高达 240°C 的热稳定性,玻璃化转变温度 (T g ) 从差示扫描量热法获得,接近 116°C。极化聚合物薄膜在 1064 nm 基波波长下的二次谐波产生 (SHG) 系数 (d 33) 约为 4.63 × 10−9 esu。即使在比 T g 高 4°C 时,偶极排列也表现出热稳定性,并且由于聚合物结构的部分主链特征,在 120°C 以下没有观察到 SHG 衰减,这对于 NLO 器件应用是可以接受的。
Synthesis and Nonlinear Optical Properties of Novel Y-type Polyimide Containing Dioxynitroazobenzene Group
作者:Mi-Sung Kim、Byeong-Man Jeon、Ju-Yeon Lee
DOI:10.5012/bkcs.2012.33.4.1321
日期:2012.4.20
Synthesis and Nonlinear Optical Properties of Novel Polyester Containing Nitrophenylazonitroresorcinoxy Group
作者:Ji-Hyang Lee、Ju-Yeon Lee
DOI:10.1080/15421406.2015.1095965
日期:2015.11.2
A new X-type polyester (4) containing nitrophenylazonitroresorcinoxy groups as NLO chromophores, which are components of the polymer backbone was prepared. Polyester 4 is soluble in common organic solvents such as N,N-dimethylformamide and dimethylsulfoxide. It shows a thermal stability up to 280 degrees C from thermogravimetric analysis with glass-transition temperature (T-g) obtained from differential scanning calorimetry near 120 degrees C. The second harmonic generation (SHG) coefficient (d(33)) of poled polymer films at the 1064nm fundamental wavelength is around 5.08 x 10(-9) esu. The dipole alignment exhibits a thermal stability even at 5 degrees C higher than T-g, and no SHG decay was observed below 125 degrees C due to the partial main-chain character of polymer structure, which is acceptable for NLO device applications.