Tetrasubstituted copper phthalocyanines: Correlation between liquid crystalline properties, films alignment and sensing properties
•Sensing properties of tetrasubstituted copper phthalocyanines were investigated.•Sensing performance was studied against ammonia by measuring conductivity changes.•Effect of substituents type and the heteroatoms on sensor performance was revealed.•Phthalocyanines liquid crystalline at room temperat...
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| Veröffentlicht in: | Sensors and actuators. B, Chemical Chemical, 2017-03, Vol.241, p.364-375 |
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| creator | Gülmez, Asuman Dakoğlu Polyakov, Maxim S. Volchek, Victoria V. Kostakoğlu, Sinem Tuncel Esenpinar, Aliye Aslı Basova, Tamara V. Durmuş, Mahmut Gürek, Ayşe Gül Ahsen, Vefa Banimuslem, Hikmat Adnan Hassan, Aseel K. |
| description | •Sensing properties of tetrasubstituted copper phthalocyanines were investigated.•Sensing performance was studied against ammonia by measuring conductivity changes.•Effect of substituents type and the heteroatoms on sensor performance was revealed.•Phthalocyanines liquid crystalline at room temperature exhibit maximal sensor response.
Copper phthalocyanines (CuPc) containing alkylthio (-S(CH2)nCH3, n=7 and 15), alkyloxy- (-O(CH2)nCH3, n=7 and 15) and polyoxo [-O(CH2CH2O)3CH3 and −S(CH2CH2O)3CH3] substituents were synthesized and investigated to reveal the effects of substituents type (alkylthio, alkyloxy and polyoxo) and the type of the connecting heteroatom (oxygen or sulphur) on the mesogenic properties, films alignment and sensing behaviour. The liquid crystalline properties of these phthalocyanines were investigated by differential scanning calorimetry, polarizing optical microscopy and X-ray diffraction techniques. The structure and morphology of spun thin films of copper phthalocyanine derivatives were studied by the UV–vis and Raman spectroscopies as well atomic force microscopy. The sensing properties of CuPc films were studied by the measurement of conductivity change upon interaction with ammonia in the range 10–50ppm. All investigated films of CuPc derivatives display thermotropic columnar mesomorphism. It was shown that the films with polyoxo- [-O(CH2CH2O)3CH3 and −S(CH2CH2O)3CH3] substituents as well as with alkylthio −S(CH2)nCH3 (n=7) substituents, which are liquid crystalline at room temperature, form ordered films with a random planar alignment of columns. Their films exhibit the better sensor performance with the maximal sensor response for the films of CuPc containing (-S(CH2CH2O)3CH3) substituents. |
| doi_str_mv | 10.1016/j.snb.2016.10.073 |
| format | Article |
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Copper phthalocyanines (CuPc) containing alkylthio (-S(CH2)nCH3, n=7 and 15), alkyloxy- (-O(CH2)nCH3, n=7 and 15) and polyoxo [-O(CH2CH2O)3CH3 and −S(CH2CH2O)3CH3] substituents were synthesized and investigated to reveal the effects of substituents type (alkylthio, alkyloxy and polyoxo) and the type of the connecting heteroatom (oxygen or sulphur) on the mesogenic properties, films alignment and sensing behaviour. The liquid crystalline properties of these phthalocyanines were investigated by differential scanning calorimetry, polarizing optical microscopy and X-ray diffraction techniques. The structure and morphology of spun thin films of copper phthalocyanine derivatives were studied by the UV–vis and Raman spectroscopies as well atomic force microscopy. The sensing properties of CuPc films were studied by the measurement of conductivity change upon interaction with ammonia in the range 10–50ppm. All investigated films of CuPc derivatives display thermotropic columnar mesomorphism. It was shown that the films with polyoxo- [-O(CH2CH2O)3CH3 and −S(CH2CH2O)3CH3] substituents as well as with alkylthio −S(CH2)nCH3 (n=7) substituents, which are liquid crystalline at room temperature, form ordered films with a random planar alignment of columns. Their films exhibit the better sensor performance with the maximal sensor response for the films of CuPc containing (-S(CH2CH2O)3CH3) substituents.</description><identifier>ISSN: 0925-4005</identifier><identifier>EISSN: 1873-3077</identifier><identifier>DOI: 10.1016/j.snb.2016.10.073</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Alignment ; Ammonia ; Ammonia sensors ; Atomic force microscopy ; Biosensors ; Chemical sensors ; Columns (structural) ; Copper ; Copper phthalocyanines ; Crystal structure ; Crystallinity ; Derivatives ; Detection ; Film alignment ; Liquid crystal polymers ; Liquid crystals ; Morphology ; Optical microscopy ; Properties (attributes) ; Sensors ; Sulfur ; Thin films ; X-ray diffraction</subject><ispartof>Sensors and actuators. B, Chemical, 2017-03, Vol.241, p.364-375</ispartof><rights>2016 Elsevier B.V.</rights><rights>Copyright Elsevier Science Ltd. Mar 31, 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c401t-4f0f93ff84034a321891bcfb55cdff3969a2930540169f26040cc636d80760163</citedby><cites>FETCH-LOGICAL-c401t-4f0f93ff84034a321891bcfb55cdff3969a2930540169f26040cc636d80760163</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.snb.2016.10.073$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Gülmez, Asuman Dakoğlu</creatorcontrib><creatorcontrib>Polyakov, Maxim S.</creatorcontrib><creatorcontrib>Volchek, Victoria V.</creatorcontrib><creatorcontrib>Kostakoğlu, Sinem Tuncel</creatorcontrib><creatorcontrib>Esenpinar, Aliye Aslı</creatorcontrib><creatorcontrib>Basova, Tamara V.</creatorcontrib><creatorcontrib>Durmuş, Mahmut</creatorcontrib><creatorcontrib>Gürek, Ayşe Gül</creatorcontrib><creatorcontrib>Ahsen, Vefa</creatorcontrib><creatorcontrib>Banimuslem, Hikmat Adnan</creatorcontrib><creatorcontrib>Hassan, Aseel K.</creatorcontrib><title>Tetrasubstituted copper phthalocyanines: Correlation between liquid crystalline properties, films alignment and sensing properties</title><title>Sensors and actuators. B, Chemical</title><description>•Sensing properties of tetrasubstituted copper phthalocyanines were investigated.•Sensing performance was studied against ammonia by measuring conductivity changes.•Effect of substituents type and the heteroatoms on sensor performance was revealed.•Phthalocyanines liquid crystalline at room temperature exhibit maximal sensor response.
Copper phthalocyanines (CuPc) containing alkylthio (-S(CH2)nCH3, n=7 and 15), alkyloxy- (-O(CH2)nCH3, n=7 and 15) and polyoxo [-O(CH2CH2O)3CH3 and −S(CH2CH2O)3CH3] substituents were synthesized and investigated to reveal the effects of substituents type (alkylthio, alkyloxy and polyoxo) and the type of the connecting heteroatom (oxygen or sulphur) on the mesogenic properties, films alignment and sensing behaviour. The liquid crystalline properties of these phthalocyanines were investigated by differential scanning calorimetry, polarizing optical microscopy and X-ray diffraction techniques. The structure and morphology of spun thin films of copper phthalocyanine derivatives were studied by the UV–vis and Raman spectroscopies as well atomic force microscopy. The sensing properties of CuPc films were studied by the measurement of conductivity change upon interaction with ammonia in the range 10–50ppm. All investigated films of CuPc derivatives display thermotropic columnar mesomorphism. It was shown that the films with polyoxo- [-O(CH2CH2O)3CH3 and −S(CH2CH2O)3CH3] substituents as well as with alkylthio −S(CH2)nCH3 (n=7) substituents, which are liquid crystalline at room temperature, form ordered films with a random planar alignment of columns. Their films exhibit the better sensor performance with the maximal sensor response for the films of CuPc containing (-S(CH2CH2O)3CH3) substituents.</description><subject>Alignment</subject><subject>Ammonia</subject><subject>Ammonia sensors</subject><subject>Atomic force microscopy</subject><subject>Biosensors</subject><subject>Chemical sensors</subject><subject>Columns (structural)</subject><subject>Copper</subject><subject>Copper phthalocyanines</subject><subject>Crystal structure</subject><subject>Crystallinity</subject><subject>Derivatives</subject><subject>Detection</subject><subject>Film alignment</subject><subject>Liquid crystal polymers</subject><subject>Liquid crystals</subject><subject>Morphology</subject><subject>Optical microscopy</subject><subject>Properties (attributes)</subject><subject>Sensors</subject><subject>Sulfur</subject><subject>Thin films</subject><subject>X-ray diffraction</subject><issn>0925-4005</issn><issn>1873-3077</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kT2P1DAQhi3ESSx79wOus0RDQZZxnDgJVGjFl3QSzVFbjjO-88rr5DwOaFt-OV4tBaKgsj16HtszL2O3AnYChHp72FEcd3XZlvMOOvmMbUTfyUpC1z1nGxjqtmoA2hfsJdEBABqpYMN-3WNOhtaRss9rxonbeVkw8eUxP5ow25OJPiK94_s5JQwm-znyEfNPxMiDf1p9UdKJsgmhgHxJc9GzR3rDnQ9H4ib4h3jEmLmJEyeM5OPDX9w1u3ImEN78Wbfs-6eP9_sv1d23z1_3H-4q24DIVePADdK5vgHZGFmLfhCjdWPb2sk5OajB1IOEtsBqcLWCBqxVUk09dKrU5Ja9vtxbnn5akbI-erIYgok4r6RF3wOIRpTJbNmrf9DDvKZYfqdr6FUvhWyhUOJC2TQTJXR6Sf5o0kkL0OdU9EGXVPQ5lXOppFKc9xcHS6c_PCZN1mO0OPmENutp9v-xfwOgo5dP</recordid><startdate>20170331</startdate><enddate>20170331</enddate><creator>Gülmez, Asuman Dakoğlu</creator><creator>Polyakov, Maxim S.</creator><creator>Volchek, Victoria V.</creator><creator>Kostakoğlu, Sinem Tuncel</creator><creator>Esenpinar, Aliye Aslı</creator><creator>Basova, Tamara V.</creator><creator>Durmuş, Mahmut</creator><creator>Gürek, Ayşe Gül</creator><creator>Ahsen, Vefa</creator><creator>Banimuslem, Hikmat Adnan</creator><creator>Hassan, Aseel K.</creator><general>Elsevier B.V</general><general>Elsevier Science Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20170331</creationdate><title>Tetrasubstituted copper phthalocyanines: Correlation between liquid crystalline properties, films alignment and sensing properties</title><author>Gülmez, Asuman Dakoğlu ; Polyakov, Maxim S. ; Volchek, Victoria V. ; Kostakoğlu, Sinem Tuncel ; Esenpinar, Aliye Aslı ; Basova, Tamara V. ; Durmuş, Mahmut ; Gürek, Ayşe Gül ; Ahsen, Vefa ; Banimuslem, Hikmat Adnan ; Hassan, Aseel K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c401t-4f0f93ff84034a321891bcfb55cdff3969a2930540169f26040cc636d80760163</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Alignment</topic><topic>Ammonia</topic><topic>Ammonia sensors</topic><topic>Atomic force microscopy</topic><topic>Biosensors</topic><topic>Chemical sensors</topic><topic>Columns (structural)</topic><topic>Copper</topic><topic>Copper phthalocyanines</topic><topic>Crystal structure</topic><topic>Crystallinity</topic><topic>Derivatives</topic><topic>Detection</topic><topic>Film alignment</topic><topic>Liquid crystal polymers</topic><topic>Liquid crystals</topic><topic>Morphology</topic><topic>Optical microscopy</topic><topic>Properties (attributes)</topic><topic>Sensors</topic><topic>Sulfur</topic><topic>Thin films</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gülmez, Asuman Dakoğlu</creatorcontrib><creatorcontrib>Polyakov, Maxim S.</creatorcontrib><creatorcontrib>Volchek, Victoria V.</creatorcontrib><creatorcontrib>Kostakoğlu, Sinem Tuncel</creatorcontrib><creatorcontrib>Esenpinar, Aliye Aslı</creatorcontrib><creatorcontrib>Basova, Tamara V.</creatorcontrib><creatorcontrib>Durmuş, Mahmut</creatorcontrib><creatorcontrib>Gürek, Ayşe Gül</creatorcontrib><creatorcontrib>Ahsen, Vefa</creatorcontrib><creatorcontrib>Banimuslem, Hikmat Adnan</creatorcontrib><creatorcontrib>Hassan, Aseel K.</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Sensors and actuators. B, Chemical</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gülmez, Asuman Dakoğlu</au><au>Polyakov, Maxim S.</au><au>Volchek, Victoria V.</au><au>Kostakoğlu, Sinem Tuncel</au><au>Esenpinar, Aliye Aslı</au><au>Basova, Tamara V.</au><au>Durmuş, Mahmut</au><au>Gürek, Ayşe Gül</au><au>Ahsen, Vefa</au><au>Banimuslem, Hikmat Adnan</au><au>Hassan, Aseel K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tetrasubstituted copper phthalocyanines: Correlation between liquid crystalline properties, films alignment and sensing properties</atitle><jtitle>Sensors and actuators. B, Chemical</jtitle><date>2017-03-31</date><risdate>2017</risdate><volume>241</volume><spage>364</spage><epage>375</epage><pages>364-375</pages><issn>0925-4005</issn><eissn>1873-3077</eissn><abstract>•Sensing properties of tetrasubstituted copper phthalocyanines were investigated.•Sensing performance was studied against ammonia by measuring conductivity changes.•Effect of substituents type and the heteroatoms on sensor performance was revealed.•Phthalocyanines liquid crystalline at room temperature exhibit maximal sensor response.
Copper phthalocyanines (CuPc) containing alkylthio (-S(CH2)nCH3, n=7 and 15), alkyloxy- (-O(CH2)nCH3, n=7 and 15) and polyoxo [-O(CH2CH2O)3CH3 and −S(CH2CH2O)3CH3] substituents were synthesized and investigated to reveal the effects of substituents type (alkylthio, alkyloxy and polyoxo) and the type of the connecting heteroatom (oxygen or sulphur) on the mesogenic properties, films alignment and sensing behaviour. The liquid crystalline properties of these phthalocyanines were investigated by differential scanning calorimetry, polarizing optical microscopy and X-ray diffraction techniques. The structure and morphology of spun thin films of copper phthalocyanine derivatives were studied by the UV–vis and Raman spectroscopies as well atomic force microscopy. The sensing properties of CuPc films were studied by the measurement of conductivity change upon interaction with ammonia in the range 10–50ppm. All investigated films of CuPc derivatives display thermotropic columnar mesomorphism. It was shown that the films with polyoxo- [-O(CH2CH2O)3CH3 and −S(CH2CH2O)3CH3] substituents as well as with alkylthio −S(CH2)nCH3 (n=7) substituents, which are liquid crystalline at room temperature, form ordered films with a random planar alignment of columns. Their films exhibit the better sensor performance with the maximal sensor response for the films of CuPc containing (-S(CH2CH2O)3CH3) substituents.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.snb.2016.10.073</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Alignment Ammonia Ammonia sensors Atomic force microscopy Biosensors Chemical sensors Columns (structural) Copper Copper phthalocyanines Crystal structure Crystallinity Derivatives Detection Film alignment Liquid crystal polymers Liquid crystals Morphology Optical microscopy Properties (attributes) Sensors Sulfur Thin films X-ray diffraction |
| title | Tetrasubstituted copper phthalocyanines: Correlation between liquid crystalline properties, films alignment and sensing properties |
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