Synthesis，Properties and Application in Optical Memory of a Novel Photochromic Diarylethene Bearing a Six-Membered Aryl Unit

2011 ◽  
Vol 295-297 ◽  
pp. 232-235
Author(s):  
Zhi Peng Tong ◽  
Gang Liu ◽  
Shi Qiang Cui ◽  
Wei Jun Liu
Keyword(s):  
Uv Light ◽  
Optical Memory ◽  
Optical Recording ◽  
Pmma Film ◽  
Recording Medium ◽  
Photochromic Properties ◽  
Synthesis Properties

A new unsymmetrical photochromic diarylethene 1-(2-ethyl-3-benzothienyl)-2-[2-octyl-5-formyl-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 blue upon irradiation with 297 nm UV light, in which absorption maxima were observed at 581 nm in hexane and at 582 nm in PMMA film, The results demonstrated that it can be potentially used as polarization holographic optical recording medium.

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.

Synthesis, Photochromic Properties and Application in Optical Memory of a Diarylethene Based on Pyrrole Ring

2011 ◽  
Vol 399-401 ◽  
pp. 1107-1110
Author(s):  
Ren Jie Wang ◽  
Gang Liu ◽  
Shi Qiang Cui ◽  
Hong Ying Xia
Keyword(s):  
Pyrrole Ring ◽  
Uv Light ◽  
Optical Memory ◽  
Amorphous Film ◽  
Optical Recording ◽  
Fluorescence Properties ◽  
Recording Medium ◽  
Photochromic Properties

A new unsymmetrical photochromic diarylethene compound, 1-[(2-methyl-5-(4-dioxolane-phenyl)-3-thienyl)]-2-(5-cyano-1,5-dimethyl-4-pyrryl)perfluorocyclopentene (1o), was synthesized and its photochemical, fluorescence properties were investigated in detail both in solution and PMMA amorphous film. The results showed that the compound exhibited remarkable photochromism, changing from colorless to violet after irradiation with 297 nm UV light. Finally, using this diarylethene as recording medium, polarization optical recording was carried out successfully.

Study on Material Properties with Synthesis and Property of a Novel Unsymmetrical Photochromic Diarylethene

2013 ◽  
Vol 327 ◽  
pp. 94-98
Author(s):  
Hong Yan Xu ◽  
Shou Zhi Pu ◽  
Ren Jie Wang
Keyword(s):  
Visible Light ◽  
Material Properties ◽  
Uv Light ◽  
Amorphous Film ◽  
Optical Recording ◽  
Pmma Film ◽  
Recording Medium ◽  
Photochromic Properties ◽  
Reversible Cyclization

A novel unsymmetrical diarylethene derivative bearing both benzofuran and thiophene moieties, 1-(2-methyl--3-benzofuranyl)-2-[(2-methyl-3-thienyl-5-thienyl)-3-thieny perfluorocyclopentene (1o), was synthesized. At the same time, its photochromic properties 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 523 nm in hexane and at 539 nm in PMMA amorphous film, respectively, upon irradiation with 297 nm UV light. Finally, using this diarylethene as recording medium, polarization optical recording was carried out successfully.

Synthesis, Properties and Application in Optical Memory of a New Type Diarylethene with Benzene Ring

2011 ◽  
Vol 239-242 ◽  
pp. 833-836
Author(s):  
Pei Jian Yan ◽  
Shi Qiang Cui ◽  
Shou Zhi Pu
Keyword(s):  
Benzene Ring ◽  
Fluorescence Spectra ◽  
Optical Memory ◽  
Optical Recording ◽  
Pmma Film ◽  
Recording Medium ◽  
Fluorescent Properties ◽  
Synthesis Properties ◽  
New Type

A new type photochromic diarylethene, 1-(2-ethylbenzo[b]thiophen-3-yl)-2- (2-methylphenyl)perfluorocyclopentene (1o), was synthesized, and its photochromic and fluorescent properties were investigated. This compound exhibited reversible photochromism and notable fluorescence photoswitches both in solution and in PMMA films. In addition, the fluorescence spectra of diarylethene 1o evidently depended on the concentration in hexane. Using diarylethene 1c/PMMA film as recording medium, optical recording was carried out successfully.

Efficient Synthesis, Photochromic Properties and Application of a New Unsymmetrical Diarylethene

2011 ◽  
Vol 474-476 ◽  
pp. 1547-1550
Author(s):  
Ren Jie Wang ◽  
Hong Ying Xia ◽  
Shou Zhi Pu ◽  
Shi Qiang Cui
Keyword(s):  
Uv Light ◽  
Amorphous Film ◽  
Optical Recording ◽  
Pmma Film ◽  
Efficient Synthesis ◽  
Recording Medium ◽  
Photochromic Properties ◽  
Photochemical Properties

A new unsymmetrical photochromic diarylethene compound, [1-(2-methyl-5-(3-fluorophenyl)-3-thienyl), 2-(2-methyl-3-benzothienyl)]perfluorocyclopentene (1o), was synthesized and its photochemical properties, such as photochromism and fluorescence in solution as well as in PMMA amorphous film were investigated in detail. The results showed that the compound exhibited remarkable photochromism, changing from colorless to violet after irradiation with 297 nm UV light both in solution and in PMMA film. Finally, using this dithienylethene as recording medium, polarization optical recording was carried out successfully.

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.

Synthesis and Optoelectronic Properties of a New Photochromic Diarylethene Bearing a Cyano Group

2011 ◽  
Vol 239-242 ◽  
pp. 2419-2422
Author(s):  
Zhi Peng Tong ◽  
Shou Zhi Pu ◽  
Shi Qiang Cui ◽  
Wei Jun Liu
Keyword(s):  
Solid State ◽  
Uv Light ◽  
Cyano Group ◽  
Optical Recording ◽  
Optoelectronic Properties ◽  
Pmma Film ◽  
Recording Medium ◽  
Photochromic Properties ◽  
Fluorescence Switching

A newunsymmetrical photochromic diarylethene 1-(2-cyanophenyl)-2-[2-methy-5-(3-fluorophenyl)-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 purple upon irradiation with 297 nm UV light, in which absorption maxima were observed at 540 nm in hexane and at 545 nm in PMMA film, respectively. This new photochromic system also exhibited remarkable fluorescence switching in the solid state. The results demonstrated that it can be potentially used as polarization holographic optical recording medium.

Efficient Synthesis and Photochromic Properties of a New Unsymmetrical Photochromic Diarylethene Base on Naphthalene Unit

2012 ◽  
Vol 490-495 ◽  
pp. 3167-3171
Author(s):  
Ren Jie Wang ◽  
Shou Zhi Pu ◽  
Shi Qiang Cui
Keyword(s):  
Fluorescence Spectrum ◽  
Uv Light ◽  
Hybrid Structure ◽  
Optical Recording ◽  
Pmma Film ◽  
Efficient Synthesis ◽  
Recording Medium ◽  
Cyclization Reactions ◽  
Photochromic Properties ◽  
Fluorescence Switching

A new diarylethenes [1-(2-methyl-1-naphthyl), 2-(2-methyl-5-1,3-dithiolane-3-thienyl)]perfluorocyclopentene 1o based on a hybrid structure of naphthalene and thiophene has been developed. Its properties including photochromism, kinetics and fluorescence were investigated in detail. The results indicated that the compound exhibited good photochromism, which changing from colorless to orange after irradiation with 297 nm UV light both in solution and in PMMA film. The fluorescence switching properties shown the fluorescence spectrum of diarylethene 1o was decreased remarkable along with the cyclization reactions. Finally, using this diarylethene as recording medium, polarization optical recording was carried out successfully.

Photochromism and Fluorescence of a Novel Unsymmetrical Diarylethene Material Bearing Benzene and Thiophene Ring

2012 ◽  
Vol 164 ◽  
pp. 251-254 ◽  
Author(s):  
Shu Hong Jing ◽  
Shou Zhi Pu ◽  
Hui Li
Keyword(s):  
Visible Light ◽  
Uv Light ◽  
Thiophene Ring ◽  
Amorphous Film ◽  
Optical Storage ◽  
Optical Recording ◽  
Pmma Film ◽  
Recording Medium ◽  
Solid States ◽  
Reversible Cyclization

A new photochromic diarylethene compound, 1-[2-methyl-(5-(4- dioxolane) phenyl)-3-thienyl]-2-(2-methyl-3-benzothiophene)perfluorocyclopentene (1o)was synthesized. Its properties, including photochromism and fluorescence were investigated in detail both in solution and PMMA amorphous film. It underwent reversible cyclization and cycloreversion reactions upon alternating irradiation with UV and visible light in hexane. The compound showed good phtochromism both in solution and in solid states. Diarylethene 1o changed the color from colorless to purple upon irradiation with 297 nm UV light, in which absorption maxima were observed at 539 nm in hexane and at 547nm in PMMA film, respectively. Using diarylethene 1c/PMMA film as recording medium, optical recording was performed successfully. This new photochromic system also exhibited remarkable optical storage character

Synthesis, Properties and Application in Optical Memory of a Photochromic Diarylethene Bearing Pyrimidine and Pyridine Ring

2012 ◽  
Vol 490-495 ◽  
pp. 3733-3737
Author(s):  
Shu Hong Jing ◽  
Shou Zhi Pu ◽  
Shi Qiang Cui
Keyword(s):  
Uv Light ◽  
Optical Memory ◽  
Order Reaction ◽  
Pmma Film ◽  
Zeroth Order ◽  
First Order ◽  
Synthesis Properties ◽  
Fluorescence Switching ◽  
Photochromic Reaction ◽  
Hexane Solution

A new photochromic diarylethene compound, 1-(2,4-dimethoxy-5-pyrimidine)-2-[2-methyl-5-(3-pyridine)-3-thienyl]perfluorocyclopentene(1a), was synthesized, and its photochromic reactivity, fluorescent and electrochemical property were also investigated. Diarylethene 1a changed the color from colorless to pink upon irradiation with UV light, in which absorption maxima were observed at 520 and 519 nm in hexane and PMMA film, respectively. The the photochromic reaction kinetics indicated that the cyclization processes of 1 belong to the zeroth order reaction and the cycloreversion process belong to the first order reaction. This new photochromic system also exhibited remarkable fluorescence switching in hexane solution and this new photochromic system also exhibited remarkable optical storage character.

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