Optical Characteristics and Structural Properties of 3-(p-Nitrophenyl)-5-phenyl-1H-pyrazole
In this study, a conjugated 3-( p -nitrophenyl)-5-phenyl-1 H -pyrazole (NPP) was synthesized using a microwave-assisted reaction. The photophysical characteristics of NPP, such as absorption, fluorescence, Stokes shift, and fluorescence quantum yield, under different solvent environments, concentrat...
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| Veröffentlicht in: | Journal of electronic materials 2019-02, Vol.48 (2), p.861-866 |
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| creator | Ibnaouf, K. H. Elzupir, A. O. Ibrahem, M. A. Ali, M. K. M. Al-Muhanna, Muhanna K. |
| description | In this study, a conjugated 3-(
p
-nitrophenyl)-5-phenyl-1
H
-pyrazole (NPP) was synthesized using a microwave-assisted reaction. The photophysical characteristics of NPP, such as absorption, fluorescence, Stokes shift, and fluorescence quantum yield, under different solvent environments, concentrations, and pH values were studied. NPP in ethanol showed an absorption band at 316 nm. Moreover, the shape of the absorption spectrum was not affected by an increase in the concentration. Therefore, there was no aggregation formed in the ground state for all concentrations. On the other hand, the fluorescence spectrum of NPP in ethanol exhibited three distinctive bands around 411 nm, 436 nm, and 463 nm. The intensity of the fluorescence was directly proportional to the concentration even at higher concentrations. Most of the 1
H
-pyrazoles are affected by the alkalinity and acidity of media. Nevertheless, NPP was not significantly affected by the acidic or alkaline media in the ground or excited states. |
| doi_str_mv | 10.1007/s11664-018-6794-4 |
| format | Article |
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p
-nitrophenyl)-5-phenyl-1
H
-pyrazole (NPP) was synthesized using a microwave-assisted reaction. The photophysical characteristics of NPP, such as absorption, fluorescence, Stokes shift, and fluorescence quantum yield, under different solvent environments, concentrations, and pH values were studied. NPP in ethanol showed an absorption band at 316 nm. Moreover, the shape of the absorption spectrum was not affected by an increase in the concentration. Therefore, there was no aggregation formed in the ground state for all concentrations. On the other hand, the fluorescence spectrum of NPP in ethanol exhibited three distinctive bands around 411 nm, 436 nm, and 463 nm. The intensity of the fluorescence was directly proportional to the concentration even at higher concentrations. Most of the 1
H
-pyrazoles are affected by the alkalinity and acidity of media. Nevertheless, NPP was not significantly affected by the acidic or alkaline media in the ground or excited states.</description><identifier>ISSN: 0361-5235</identifier><identifier>EISSN: 1543-186X</identifier><identifier>DOI: 10.1007/s11664-018-6794-4</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Absorption spectra ; Alkalinity ; Characterization and Evaluation of Materials ; Chemical synthesis ; Chemistry and Materials Science ; Electronics and Microelectronics ; Ethanol ; Fluorescence ; Instrumentation ; Materials Science ; Optical and Electronic Materials ; Optical properties ; Pyrazole ; Solid State Physics</subject><ispartof>Journal of electronic materials, 2019-02, Vol.48 (2), p.861-866</ispartof><rights>The Minerals, Metals & Materials Society 2018</rights><rights>Journal of Electronic Materials is a copyright of Springer, (2018). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-c0424c296859f1547e918953dcaf4ad22b5bec45801e60b35b96fd762131811e3</citedby><cites>FETCH-LOGICAL-c316t-c0424c296859f1547e918953dcaf4ad22b5bec45801e60b35b96fd762131811e3</cites><orcidid>0000-0003-1146-9456</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11664-018-6794-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11664-018-6794-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Ibnaouf, K. H.</creatorcontrib><creatorcontrib>Elzupir, A. O.</creatorcontrib><creatorcontrib>Ibrahem, M. A.</creatorcontrib><creatorcontrib>Ali, M. K. M.</creatorcontrib><creatorcontrib>Al-Muhanna, Muhanna K.</creatorcontrib><title>Optical Characteristics and Structural Properties of 3-(p-Nitrophenyl)-5-phenyl-1H-pyrazole</title><title>Journal of electronic materials</title><addtitle>Journal of Elec Materi</addtitle><description>In this study, a conjugated 3-(
p
-nitrophenyl)-5-phenyl-1
H
-pyrazole (NPP) was synthesized using a microwave-assisted reaction. The photophysical characteristics of NPP, such as absorption, fluorescence, Stokes shift, and fluorescence quantum yield, under different solvent environments, concentrations, and pH values were studied. NPP in ethanol showed an absorption band at 316 nm. Moreover, the shape of the absorption spectrum was not affected by an increase in the concentration. Therefore, there was no aggregation formed in the ground state for all concentrations. On the other hand, the fluorescence spectrum of NPP in ethanol exhibited three distinctive bands around 411 nm, 436 nm, and 463 nm. The intensity of the fluorescence was directly proportional to the concentration even at higher concentrations. Most of the 1
H
-pyrazoles are affected by the alkalinity and acidity of media. Nevertheless, NPP was not significantly affected by the acidic or alkaline media in the ground or excited states.</description><subject>Absorption spectra</subject><subject>Alkalinity</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemical synthesis</subject><subject>Chemistry and Materials Science</subject><subject>Electronics and Microelectronics</subject><subject>Ethanol</subject><subject>Fluorescence</subject><subject>Instrumentation</subject><subject>Materials Science</subject><subject>Optical and Electronic Materials</subject><subject>Optical properties</subject><subject>Pyrazole</subject><subject>Solid State Physics</subject><issn>0361-5235</issn><issn>1543-186X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp1UE1LxDAQDaLguvoDvBW86CGayVeboyzqCuIKKggeQpqmbpfa1iQ9rL_eLBU8eZrhzXtvZh5Cp0AugZD8KgBIyTGBAstcccz30AwEZxgK-baPZoRJwIIycYiOQtgQAgIKmKH31RAba9pssTbe2Oh8ExIQMtNV2XP0o42jT-Mn3w_Ox8aFrK8zhs8H_NjEBK5dt20vsMBTh2GJh603333rjtFBbdrgTn7rHL3e3rwslvhhdXe_uH7AloGM2BJOuaVKFkLV6ebcKSiUYJU1NTcVpaUoneWiIOAkKZkolayrXFJg6QVwbI7OJt_B91-jC1Fv-tF3aaVOHMlAEUoTCyaW9X0I3tV68M2n8VsNRO8y1FOGOmWodxlqnjR00oTE7T6c_3P-X_QD0ZdzQA</recordid><startdate>20190201</startdate><enddate>20190201</enddate><creator>Ibnaouf, K. 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H. ; Elzupir, A. O. ; Ibrahem, M. A. ; Ali, M. K. M. ; Al-Muhanna, Muhanna K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-c0424c296859f1547e918953dcaf4ad22b5bec45801e60b35b96fd762131811e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Absorption spectra</topic><topic>Alkalinity</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemical synthesis</topic><topic>Chemistry and Materials Science</topic><topic>Electronics and Microelectronics</topic><topic>Ethanol</topic><topic>Fluorescence</topic><topic>Instrumentation</topic><topic>Materials Science</topic><topic>Optical and Electronic Materials</topic><topic>Optical properties</topic><topic>Pyrazole</topic><topic>Solid State Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ibnaouf, K. H.</creatorcontrib><creatorcontrib>Elzupir, A. O.</creatorcontrib><creatorcontrib>Ibrahem, M. A.</creatorcontrib><creatorcontrib>Ali, M. K. 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H.</au><au>Elzupir, A. O.</au><au>Ibrahem, M. A.</au><au>Ali, M. K. M.</au><au>Al-Muhanna, Muhanna K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optical Characteristics and Structural Properties of 3-(p-Nitrophenyl)-5-phenyl-1H-pyrazole</atitle><jtitle>Journal of electronic materials</jtitle><stitle>Journal of Elec Materi</stitle><date>2019-02-01</date><risdate>2019</risdate><volume>48</volume><issue>2</issue><spage>861</spage><epage>866</epage><pages>861-866</pages><issn>0361-5235</issn><eissn>1543-186X</eissn><abstract>In this study, a conjugated 3-(
p
-nitrophenyl)-5-phenyl-1
H
-pyrazole (NPP) was synthesized using a microwave-assisted reaction. The photophysical characteristics of NPP, such as absorption, fluorescence, Stokes shift, and fluorescence quantum yield, under different solvent environments, concentrations, and pH values were studied. NPP in ethanol showed an absorption band at 316 nm. Moreover, the shape of the absorption spectrum was not affected by an increase in the concentration. Therefore, there was no aggregation formed in the ground state for all concentrations. On the other hand, the fluorescence spectrum of NPP in ethanol exhibited three distinctive bands around 411 nm, 436 nm, and 463 nm. The intensity of the fluorescence was directly proportional to the concentration even at higher concentrations. Most of the 1
H
-pyrazoles are affected by the alkalinity and acidity of media. Nevertheless, NPP was not significantly affected by the acidic or alkaline media in the ground or excited states.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11664-018-6794-4</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0003-1146-9456</orcidid></addata></record> |
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| subjects | Absorption spectra Alkalinity Characterization and Evaluation of Materials Chemical synthesis Chemistry and Materials Science Electronics and Microelectronics Ethanol Fluorescence Instrumentation Materials Science Optical and Electronic Materials Optical properties Pyrazole Solid State Physics |
| title | Optical Characteristics and Structural Properties of 3-(p-Nitrophenyl)-5-phenyl-1H-pyrazole |
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