Synthesis and Properties Study of 1-(2,4-dimethoxyl-5-pyrimidinyl)-2-[2-methyl-5-(4-n-pentylbenzene)-3-thienyl] Perfluorocyclopentene

2014 ◽  
Vol 952 ◽  
pp. 75-78
Author(s):  
Jing Jing Liu ◽  
Hong Jing Jia ◽  
Shou Zhi Pu
Keyword(s):  
Uv Light ◽  
Initial Increase ◽  
Pmma Film ◽  
Fluorescent Properties ◽  
Dramatic Decrease ◽  
Photochromic Behavior ◽  
Pyrimidine Moiety

A novel photochromic diarylethene based on a six-membered pyrimidine moiety 1-(2,4-dimethoxyl-5-pyrimidinyl)-2-[2-methyl-5-(4-n-pentylbenzene)-3-thienyl] perfluorocyclopent-ene has been synthesized. Its properties, including photochromic behavior and fluorescent properties, have been investigated. The compounds exhibited remarkable photochromism, changing from colorless to red after irradiation with UV light both in solution and in PMMA film. The fluorescence had a remarkable initial increase with subsequent dramatic decrease with increasing concentration. The results indicated that the pyrimidine moiety played a very important role during the process of photoisomerization reactions.

Synthesis and Properties Study of 1-(2,4-dimethoxyl-5-pyrimidinyl)-2-[2-methyl-5-(9-phenanthrene)-3-thienyl] perfluorocyclopentene

2014 ◽  
Vol 1003 ◽  
pp. 31-34
Author(s):  
Jing Jing Liu ◽  
Hong Jing Jia ◽  
Shou Zhi Pu
Keyword(s):  
Uv Light ◽  
Initial Increase ◽  
Fluorescent Properties ◽  
Dramatic Decrease ◽  
Photochromic Behavior ◽  
Pyrimidine Moiety

A novel photochromic diarylethene bearing a pyrimidine moiety, 1-(2,4-dimethoxyl-5-pyrimidinyl)-2-[2-methyl-5-(9-phenanthrene)-3-thienyl] perfluorocyclopentene has been synthesized. Its properties, including photochromic behavior and fluorescent properties, have been investigated. The compound exhibited remarkable photochromism, changing from colorless to red after irradiation with UV light in solution. The fluorescence had a remarkable initial increase with subsequent dramatic decrease with increasing concentration. The results indicated that the pyrimidine moiety played a very important role during the process of photoisomerization reactions.

Efficient Synthesis and Properties of a Photochromic Diarylethene Bearing an Isoxazole Moiety

2011 ◽  
Vol 474-476 ◽  
pp. 1496-1499
Author(s):  
Hong Liang Liu ◽  
Shou Zhi Pu ◽  
Shi Qiang Cui ◽  
Wei Jun Liu
Keyword(s):  
Uv Light ◽  
Initial Increase ◽  
Pmma Film ◽  
Efficient Synthesis ◽  
Fluorescent Properties ◽  
Dramatic Decrease ◽  
Photochromic Reaction

A novel photochromic diarylethene based on isoxazole moiety was synthesized and its photochromic and fluorescent properties were also investigated. The compounds exhibited remarkable photochromism, changing from colorless to red after irradiation with UV light both in solution and in PMMA film. The fluorescence had a remarkable initial increase with subsequent dramatic decrease with increasing concentration. The results indicated that the isoxazole moiety played a very important role during the process of photochromic reaction for the diarylethene derivative.

Synthesis and Property of 1-(2,4-dimethoxyl-5-pyrimidinyl)-2-[2-methyl-5-(2-fluorophenyl)-3-thienyl]perfluorocyclopentene

2013 ◽  
Vol 468 ◽  
pp. 91-94
Author(s):  
Hong Liang Liu ◽  
Hong Jing Jia ◽  
Shou Zhi Pu
Keyword(s):  
Uv Light ◽  
Initial Increase ◽  
Dramatic Decrease ◽  
Pyrimidine Moiety ◽  
Photochromic Reaction

A novel photochromic diarylethene based on pyrimidine moiety was synthesized. Its properties, including photochromism and fluorescence were investigated in detail. The compound exhibited remarkable photochromism, changing from colorless to red after irradiation with UV light. The fluorescence had a remarkable initial increase with subsequent dramatic decrease with increasing concentration. The results indicated that the pyrimidine moiety played a very important role during the process of photochromic reaction for the diarylethene derivative.

Synthesis and Properties Study of 1-(2,4-dimethoxyl-5-pyrimidinyl)-2-[2-methyl-5-(3-methylbenzene)-3-thienyl]perfluorocyclopentene

2014 ◽  
Vol 886 ◽  
pp. 164-167
Author(s):  
Jing Jing Liu ◽  
Hong Jing Jia ◽  
Shou Zhi Pu
Keyword(s):  
Initial Increase ◽  
Pmma Film ◽  
Dramatic Decrease ◽  
Pyrimidine Moiety ◽  
Photochromic Reaction

A new unsymmetrical photochromic diarylethene with a pyrimidine unit has been successfully synthesized. The photochromism properties in both solution and poly-methylmethacrylate (PMMA) film were investigated in detail. Its fluorescence had a remarkable initial increase with subsequent dramatic decrease with increasing concentration. The results indicated that the pyrimidine moiety played a very important role during the process of photochromic reaction for the diarylethene derivative.

Efficient Synthesis and Properties of a Photochromic Hybrid Diarylethene Bearing a Pyrimidine Moiety

2014 ◽  
Vol 886 ◽  
pp. 159-163 ◽  
Author(s):  
Xiao Dong Yu ◽  
Hong Liang Liu ◽  
Gang Liu ◽  
Shou Zhi Pu
Keyword(s):  
Vital Role ◽  
Initial Increase ◽  
Pmma Film ◽  
Efficient Synthesis ◽  
Dramatic Decrease ◽  
Fluorescence Switch ◽  
Pyrimidine Moiety

A novel photochromic diarylethene bearing a six-membered pyrimidine as one aryl moiety was synthesized to investigate its photochromic behaviors. The diarylethene exhibited good photochromism and functioned as a fluorescence switch both in hexane and in PMMA film. The fluorescence had a remarkable initial increase with subsequent dramatic decrease with increasing concentration. The results suggested that the pyrimidine moiety played a vital role during the process of photoisomerization reaction for the diarylethene.

Synthesis and Properties Study of 1-(2,4-Dimethoxyl-5-Pyrimidinyl)-2-[2-Methyl-5-(3-Cyano)-3-Thienyl]Perfluorocyclopentene

2014 ◽  
Vol 662 ◽  
pp. 91-94
Author(s):  
Duo Hua Jiang ◽  
Gang Liu
Keyword(s):  
Uv Light ◽  
Fluorescent Properties ◽  
Photochromic Behavior ◽  
Pyrimidine Moiety

A novel photochromic diarylethene bearing a pyrimidine moiety, 1-(2,4-dimethoxyl-5-pyrimidinyl)-2-[2-methyl-5-(3-cyano)-3-thieny-l] perfluorocyclopentene has been synthesized. Its properties, including photochromic behavior and fluorescent properties, have been investigated. The compound exhibited remarkable photochromism, changing from colorless to blue after irradiation with UV light. The results indicated that the pyrimidine moiety played a very important role during the process of photoisomerization reactions.

Study on Photochromic Materials with a Novel Photochromic Diarylethene use for Polarization Holographic Recording

2013 ◽  
Vol 763 ◽  
pp. 61-64 ◽  
Author(s):  
Shang Hua He ◽  
Gang Liu ◽  
Shi Qiang Cui
Keyword(s):  
Fluorescence Spectra ◽  
Uv Light ◽  
Amorphous Film ◽  
Quantum Yields ◽  
Holographic Recording ◽  
Pmma Film ◽  
Recording Medium ◽  
Fluorescent Properties ◽  
Image Recording ◽  
Photochromic Materials

A novel unsymmetrical photochromic diarylethene 1-(2, 5-dimethyl-3-thienyl)-2-[2-methyl-5-(2,2-dibutylfluorene)-3-thienyperfluorocyclo-pentene (1o) was synthesized and its photochromic and fluorescent properties were investigated. Diarylethene 1 changed the color from colorless to hyacinthine upon irradiation with 297 nm UV light, in which absorption maxima were observed at 554 nm in hexane and at 565 nm in PMMA amorphous film, respectively. This new photochromic system also exhibited remarkable fluorescence intensity both in solution and in PMMA film. The fluorescence spectra showed a systematic red-shift with the emission intensity of diarylethene 1 in a photo-stationary state was quenched to ca. 64%. The cyclization and cycloreversion quantum yields of 1 in hexane were determined to be 0.56 and 0.002. Polarization multiplexed image recording can be carried out in this diarylethene 1c/PMMA film as recording medium film.

Photochromism and Optical Recording of a Novel Diarylethene Bearing Phenanthrene Unit

2013 ◽  
Vol 763 ◽  
pp. 79-83 ◽  
Author(s):  
Xue Li ◽  
Cong Bin Fan ◽  
Gang Liu
Keyword(s):  
Uv Light ◽  
Light Stimulus ◽  
Optical Recording ◽  
Color Variation ◽  
Pmma Film ◽  
Fluorescent Properties ◽  
Closed Ring ◽  
Fluorescence Switch ◽  
Open Ring ◽  
Photochromic Molecules

Photochromic molecules are part of a large class of materials in which light stimulus not only induces a color variation but also affects other physicochemical properties. In the paper, an asymmetrical photochromic diarylethene, 1-(2,4-dimethyl-3-thiazole)-2-[2-methyl-5-(10-phenanthrenyl)-3-thienyPerfluorocyclopentene was synthesized and its photochromic and fluorescent properties were systematically investigated. The compound exhibited remarkable photochromic, changing from colorless to OrangeRed after irradiation with UV light both in solution and in PMMA film. In addition, its fluorescence property was also discussed. When irradiation with UV light, the fluorescence intensity declined remarkably. The results showed that the diarylethene exhibited a relatively strong fluorescence switch along with the photochromism from open-ring isomer to closed-ring isomer. Using this diarylethene 1a as optical storage was performed successfully.

A New Unsymmetrical Diarylethene for Reversible Holographic Recording

2010 ◽  
Vol 156-157 ◽  
pp. 655-659 ◽  
Author(s):  
Pei Jian Yan ◽  
Zhi Peng Tong ◽  
Shou Zhi Pu ◽  
Wei Jun Liu
Keyword(s):  
High Spatial Resolution ◽  
Uv Light ◽  
Amorphous Film ◽  
Optical Recording ◽  
Holographic Recording ◽  
Pmma Film ◽  
Recording Medium ◽  
Fluorescent Properties ◽  
Fluorescence Switching ◽  
High Photosensitivity

A novel photochromic diarylethene, 1-(2-ethyl-benzothiophen-3-yl)-2-(2-methyl-5-(2-cyanophenyl)thien-3-yl)perfluorocyclopentene(1o) was synthesized, and its photochromic and fluorescent properties were investigated. This compound exhibited reversible photochromism, changing from colorless to purle after irradiation with UV light both in solution and in poly-methyl methacrylate (PMMA) amorphous film. Also, it exhibited remarkable fluorescence switching in the solid state. When we used diarylethene 1c/PMMA film as recording medium, rewritable holographic optical storage was performed successfully. The results demonstrated that the diarylethene compound had attractive properties for polarization holographic optical recording, such as high photosensitivity, high spatial resolution, excellent fatigue-resistance.

Synthesis and Property of a New Photochromic Diarylethene Bearing Thiophene and a Six-Membered Aryl Unit

2011 ◽  
Vol 197-198 ◽  
pp. 448-451 ◽  
Author(s):  
Hong Liang Liu ◽  
Shou Zhi Pu ◽  
Hui Li ◽  
Gang Liu
Keyword(s):  
Fluorescence Intensity ◽  
Uv Light ◽  
Amorphous Film ◽  
Solution Concentration ◽  
Fluorescent Properties ◽  
Strong Fluorescence ◽  
Photochromic Behavior

A novel photochromic diarylethene based on thiophene and a six-membered aryl moieties 1-[(2-methyl-5-(p-methylphenyl)-3-thienyl)]-2-[(2-trifluoromethylphenyl)]perfluorocyclopentene(1a) has been synthesized. Its properties, including photochromic behavior and fluorescent properties, have been investigated. The results showed that this compound exhibited reversible photochromism, changing from colorless to purple after irradiation with UV light both in solution and in PMMA amorphous film. The fluorescence intensity decreased along with the increase of solution concentration. The diarylethene exhibited relatively strong fluorescence at different solvent.

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