Synthesis a New Diarylethene Bearing N-Propyl as Holographic Optical Recording Medium

2011 ◽  
Vol 239-242 ◽  
pp. 1609-1612
Author(s):  
Shi Qiang Cui ◽  
Shou Zhi Pu ◽  
Wei Jun Liu
Keyword(s):  
Fluorescence Intensity ◽  
Uv Light ◽  
Optical Recording ◽  
Pmma Film ◽  
Recording Medium ◽  
Photochromic Compound ◽  
Photochromic Properties ◽  
Strong Fluorescence ◽  
Hexane Solution

A new photochromic compound 1-(2-ethyl-3-benzothienyl)-2- (2-n-propyl-5-formyl-3-thienyl) perfluorocyclopentene (1a) was synthesized, its photochromic properties were examined, the result indicated that the color of the compound 1a changed from colorless to a blue one upon irradiation with 297 nm UV light, a new absorption maxima were observed at 578 and 587 nm in hexane and PMMA film, respectively. The diarylethene 1a exhibited relatively strong fluorescence in hexane solution and the fluorescence intensity decreased along with the photochromism upon irradiation with 297 nm light. This new photochromic compound also exhibited remarkable holographic optical recording character.

Optoelectronic Properties and Holographic Optical Recording of a Unsymmetrical Diarylethene Having a Pyrrole Unit

2011 ◽  
Vol 474-476 ◽  
pp. 1591-1594
Author(s):  
Gang Liu ◽  
Ming Liu ◽  
Qing Zhang ◽  
Shou Zhi Pu ◽  
Wei Jun Liu
Keyword(s):  
Fluorescence Intensity ◽  
Uv Light ◽  
Amorphous Film ◽  
Optical Recording ◽  
Optoelectronic Properties ◽  
Recording Medium ◽  
Strong Fluorescence ◽  
Closed Ring ◽  
Open Ring ◽  
Hexane Solution

A unsymmetrical photochromic diarylethene, 1-[2-methyl-5-(3,4-difluorophenyl) -3-thienyl]-2- (2-cyano-1,5-dimethyl-4-pyrryl) perfluorocyclopentene (1o), was synthesized, and its optoelectronic properties were also investigated. The results showed that this compound exhibited reversible photochromism changing from colorless to blue after irradiation with UV light both in solution and in PMMA amorphous film. The open-ring isomer of the diarylethene 1 exhibited relatively strong fluorescence both in hexane solution. The fluorescence intensity decreased along with the photochromism upon irradiation with 297 nm light and its closed-ring isomer showed almost no fluorescence. Using diarylethene 1 as recording medium, polarization holographic optical recording was carried out successfully.

Study on Advanced Composite Synthesis of a New Photochromic Diarylethene Materials with Bearing Thiophene Units

2012 ◽  
Vol 583 ◽  
pp. 121-124
Author(s):  
Hui Li ◽  
Yuan Ming Tu ◽  
Gang Liu
Keyword(s):  
Fluorescence Intensity ◽  
Uv Light ◽  
Optical Storage ◽  
Optical Recording ◽  
Pmma Film ◽  
Recording Medium ◽  
Strong Fluorescence ◽  
Advanced Composite ◽  
Open Ring ◽  
Storage Properties

A novel unsymmetrical photochromic diarylethene bearing bisthiophene moiety 1-[2,5-dimethyl-3-thienyl]-2-[2-methyl-5-(2-methylphenyl)-3-thienyl]perfluoroyclopentene (1o) was synthesized and its photochromic, fluorescent and optical storage properties were also investigated. The compounds exhibited remarkable photochromism both in solution and in PMMA film. The result indicated that the diarylethene 1o changed the color from colorless to purple upon irradiation with 297 nm UV light, in which absorption maxima were observed at 527 and 541 nm in hexane and PMMA film, respectively. The open-ring isomer of the diarylethene 1 also exhibited relatively strong fluorescence both in hexane and PMMA film. The fluorescence intensity declined along with the photochromism upon irradiation with 297 nm light. In addition, optical recording using diarylethene 1c as recording medium was carried out successfully.

Efficient Synthesis, Photochromism and Application of a Photochromic Diarylethene Bearing a Benzene Unit

2011 ◽  
Vol 295-297 ◽  
pp. 1038-1041
Author(s):  
Ren Jie Wang ◽  
Gang Liu ◽  
Hong Ying Xia ◽  
Shi Qiang Cui
Keyword(s):  
Fluorescence Intensity ◽  
Uv Light ◽  
Optical Storage ◽  
Optical Recording ◽  
Pmma Film ◽  
Efficient Synthesis ◽  
Storage Material ◽  
Photochromic Properties ◽  
Fluorescence Switch ◽  
Hexane Solution

A novel photochromic diarylethene bearing a six-membered aryl unit, 1-[2-methyl-5-(3-fluorophenyl)-3-thienyl]-2-(2-methoxylphenyl)perfluorocyclopentene (1o), was synthesized and its photochromic properties, fluorescence switch and optical recording were investigated in detail. This compound exhibited remarkable photochromism, changing from colorless to blue after irradiation with 297 nm UV light both in solution and in PMMA film, respectively. The new diarylethene also exhibited excellent fluorescence intensity and fluorescence switches by photoirradiation in hexane solution. Finally, photo-mode rewritable optical storage using 1o was performed. The images demonstrated that the compound as optical storage material was very sensitive responding to 633 nm recording laser, and the recorded-signals were provided with high S/N ratio.

Synthesis, Properties and Application in Optical Memory of a New Photochromic Diarylethene Based on a Chlorine Atom

2012 ◽  
Vol 455-456 ◽  
pp. 25-28 ◽  
Author(s):  
Zhi Peng Tong ◽  
Gang Liu ◽  
Shi Qiang Cui
Keyword(s):  
Chlorine Atom ◽  
Uv Light ◽  
Optical Memory ◽  
Optical Recording ◽  
Pmma Film ◽  
Recording Medium ◽  
Photochromic Properties ◽  
Synthesis Properties

A new unsymmetrical photochromic diarylethene 1-(2,4-dimethyl-3-isoxazol)-2-[2-methyl-5-(2-chlorophenyl) -3-thienyl] perfluorocyclopentene (1a) has been synthesized. Its photochromic properties in solution and PMMA film were investigated. Diarylethene 1a changed the color from colorless to red upon irradiation with 297 nm UV light, in which absorption maxima were observed at 515 nm in hexane and at 526 nm in PMMA film, The results demonstrated that it can be potentially used as polarization holographic optical recording medium.

Properties and Synthesis of a Novel Unsymmetrical Photochromic Diarylethene Functional Material

2012 ◽  
Vol 164 ◽  
pp. 259-262
Author(s):  
Hai Chang Ding ◽  
Chun Hong Zheng ◽  
Shou Zhi Pu
Keyword(s):  
Fluorescence Intensity ◽  
Uv Light ◽  
Optoelectronic Properties ◽  
Pmma Film ◽  
Functional Material ◽  
Strong Fluorescence ◽  
Closed Ring ◽  
Hexane Solution

A new unsymmetrical photochromic diarylethene, 1-(3-thienyl)-2-(2- n-butyl-5-hydroxymethyl-3-thienyl) perfluoroncyclopentene (1a), was synthesized and its optoelectronic properties, such as photochromism and fluorescence in solution and in PMMA film were investigated. This compound exhibited remarkable photochromism, changing from colorless to pink after irradiation with UV light in hexane solution. The new diarylethene also exhibited relatively strong fluorescence by photoirradiation in solution and in PMMA film, and the fluorescence intensity decreased along with the photochromism upon irradiation 297 nm light and its closed-ring isomer showed almost no fluorescence

Sythesis of a Novel Unsymmetrical Photochromic Diarylethene Compound Bearing a Six-Membered Aryl Unit

2011 ◽  
Vol 295-297 ◽  
pp. 216-219
Author(s):  
Duo Hua Jiang ◽  
Gang Liu ◽  
Wei Jun Liu ◽  
Shi Qiang Cui
Keyword(s):  
Uv Light ◽  
Amorphous Film ◽  
Pmma Film ◽  
Photochromic Properties ◽  
Strong Fluorescence ◽  
Closed Ring ◽  
Fluorescence Switch ◽  
Open Ring ◽  
Reversible Cyclization ◽  
Hexane Solution

A novel unsymmetrical diarylethene derivative bearing both indole and thiophene moieties, in which a cyanol group was substituted at the meta-positions of the terminal phenyl ring, was synthesized. At the same time, its photochromic properties and fluorescence switch were investigated in detail. The results showed that this compound exhibited reversible photochromism, undergoing reversible cyclization and cycloreversion reactions upon alternating irradiation with UV and visible light both in solution and in PMMA film, and its absorption maxima were observed at 592 nm in hexane and at 607 nm in PMMA amorphous film, respectively, upon irradiation with 297 nm UV light. The fluorescence intensity of diarylethene decreased dramatically along with the photochromism from open-ring isomer to closed-ring isomer upon irradiation with 297 nm UV light in PMMA. In hexane solution, the open-ring isomer of the diarylethene 1 exhibited relatively strong fluorescence at 426 nm when excited at 350 nm.

Photochromism and Optical Recording of a Novel Photochromic Diarylethene Material Bearing a Phenanthrenyl Unit

2013 ◽  
Vol 788 ◽  
pp. 211-214
Author(s):  
Jun Jie Song ◽  
Gang Liu ◽  
Ren Jie Wang
Keyword(s):  
Fluorescence Intensity ◽  
Uv Light ◽  
Optical Storage ◽  
Optical Recording ◽  
Pmma Film ◽  
Photochromic Properties

A novel unsymmetrical isomeric photochromic diarylethene based on benzofuran, 1-[2-methyl-3-benzofura-2-[2-methyl-5-(10-phenanthrenyl)-3-thienyperfluorocyclopentene, was designed and synthesized. Its fluorescent and photochromic properties were also investigated in detail. The compound exhibited excellent photochromism, changing from colorless to hot pink after irradiation with UV light both in solution and in PMMA film. Furthermore, the fluorescence intensity of the photochromic diarylethene 1a declined remarkably, when irradiation with UV light. Using this diarylethene 1a as optical storage and fluorescence switches was performed successfully.

Photochromism, Kinetics and Fluorescence of 1-(2-methyl-3-benzofuranyl)-2-[2-methyl-5-(4-cyanophenyl)-3-thienyl]perfluorocyclopentene

2014 ◽  
Vol 886 ◽  
pp. 175-178
Author(s):  
Dan Dan Xue ◽  
Zhi Yuan Sun ◽  
Shou Zhi Pu
Keyword(s):  
Fluorescence Intensity ◽  
Fluorescence Spectra ◽  
Uv Light ◽  
Photochromic Properties ◽  
Strong Fluorescence ◽  
Open Ring ◽  
Kinetics Of ◽  
Hexane Solution

An unsymmetrical photochromic diarylethene compound, 1-(2-methyl-3-benzofuranyl)-2-[2-methyl-5-(4-cyanophenyl)-3-thienyperfluorocyclopentene was synthesized, and its photochromic properties, kinetics of the photochromic cyclization/cycloreversion and fluorescence were investigated in detail. The compound exhibited good photochromism, changing from colorless to red after irradiation with 297 nm UV light, in which absorption maxima were observed at 530 nm in hexane solution. Simultaneously, cyclization/cycloreversion kinetics of this diarylethene was researched. The open-ring isomer of the diarylethene exhibited relatively strong fluorescence at 377 nm in hexane solution (2 × 10-5 mol L-1), when excited at 327 nm. The fluorescence intensity decreased along with the photochromism upon irradiation with 297 nm light. The fluorescence spectra of the diarylethene are depended on the concentration.

Synthesis and Properties of a New Diarylethene Bearing n-Hexyl for Holographic Optical Recording

2011 ◽  
Vol 295-297 ◽  
pp. 74-77
Author(s):  
Shi Qiang Cui ◽  
Shou Zhi Pu ◽  
Wei Jun Liu
Keyword(s):  
Uv Light ◽  
Optical Recording ◽  
Pmma Film ◽  
Photochromic Compound ◽  
Photochromic Properties

A new photochromic compound 1-(2-ethyl-3-benzothienyl)-2- (2-n-hexyl-5-formyl-3-thienyl) perfluorocyclopentene (1a) was synthesized, its photochromic properties were examined, the result indicated that the color of the compound 1a changed from colorless to a blue one upon irradiation with 297 nm UV light, a new absorption maxima were observed at 583 and 594 nm in hexane and PMMA film, respectively. The new photochromic compound also exhibited remarkable holographic optical recording character.

Synthesis and Properties of a New Diarylethene with Two Different Substituents for Optical Recording

2011 ◽  
Vol 327 ◽  
pp. 23-26 ◽  
Author(s):  
Shi Qiang Cui ◽  
Shou Zhi Pu ◽  
Wei Jun Liu
Keyword(s):  
Uv Light ◽  
Optical Recording ◽  
Pmma Film ◽  
Photochromic Compound ◽  
Photochromic Properties

A new photochromic compound 1-(2,5-dimethyl-3-thienyl)-2-(2-methyl-5-(1-formyl-2- methoxyl-5-phenyl)-3-thienyl)perfluorocyclopentene (1a) was synthesized, its photochromic properties were examined, the result indicated that the color of the compound 1a changed from colorless to a purple one upon irradiation with 297 nm UV light, a new absorption maxima were observed at 542 and 557 nm in hexane and PMMA film, respectively. The new photochromic compound also exhibited remarkable optical recording character.

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