Viologen-based conjugated ionic polymer for nonvolatile rewritable memory device
The as-prepared electronic device with a configuration of Al/PTPA-V/ITO exhibits typical nonvolatile storage performance of a bistable rewritable memory device, with turn-on and turn-off voltages of −1.92 and 2.67V, and a large ON/OFF current ratio exceeding 105. [Display omitted] •A novel soluble v...
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| Veröffentlicht in: | European polymer journal 2017-09, Vol.94, p.222-229 |
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| creator | Wang, Luxin Sun, Sai Zhang, Bin Yang, Lingyun Yao, Yefeng Zhuang, Xiaodong Chen, Yu |
| description | The as-prepared electronic device with a configuration of Al/PTPA-V/ITO exhibits typical nonvolatile storage performance of a bistable rewritable memory device, with turn-on and turn-off voltages of −1.92 and 2.67V, and a large ON/OFF current ratio exceeding 105.
[Display omitted]
•A novel soluble viologen-based conjugated ionic copolymer, PTPA-V, was reported.•PTPA-V based memory device exhibited a non-volatile rewritable memory behavior.•The write and erase voltages are −1.92 and 2.67V and ON/OFF current ratio exceeds 105.
A novel soluble viologen-based conjugated ionic copolymer, PTPA-V, was synthesized by using Suzuki coupling reaction in the presence of the tetrakis(triphenylphosphine)palladium(0) as the catalyst. Its HOMO, LUMO, EA, IP and Eg values derived from the CV data are −5.44, −3.10, 3.07, 5.70 and 2.34eV, respectively. The maximum absorption peak observed in the UV/Vis absorption spectrum of the PTPA-V thin film was shifted to the red by about 10nm, suggesting stronger aggregation effect occurred in the thin film. The fluorescence decay profiles of the singlet excited state of PTPA-V in different deaerated organic solvents revealed a mono-exponential decay with a lifetime of 8.9ns (toluene), 6.4ns (THF) and 5.2ns (DMF). The as-prepared electronic device with a configuration of Al/PTPA-V/ITO exhibited two accessible conductivity states, i.e., the high-conductivity (ON) state and the low-conductivity (OFF) state. A typical nonvolatile rewritable memory behavior was observed, with turn-on and turn-off voltages of −1.92 and 2.67V, and a large ON/OFF current ratio of more than 105. Unlike poly(triphenylamine) without any electron paramagnetic resonance (EPR) signal, PTPA-V shows an EPR signal with a g factor of 2.004, suggesting existence of unpaired electrons or free radicals in this polymer due to the charge transfer between the triphenylamine (TPA) moieties and the viologen (V) moieties, which resulted in the formation of TPA+ and V-. |
| doi_str_mv | 10.1016/j.eurpolymj.2017.07.010 |
| format | Article |
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[Display omitted]
•A novel soluble viologen-based conjugated ionic copolymer, PTPA-V, was reported.•PTPA-V based memory device exhibited a non-volatile rewritable memory behavior.•The write and erase voltages are −1.92 and 2.67V and ON/OFF current ratio exceeds 105.
A novel soluble viologen-based conjugated ionic copolymer, PTPA-V, was synthesized by using Suzuki coupling reaction in the presence of the tetrakis(triphenylphosphine)palladium(0) as the catalyst. Its HOMO, LUMO, EA, IP and Eg values derived from the CV data are −5.44, −3.10, 3.07, 5.70 and 2.34eV, respectively. The maximum absorption peak observed in the UV/Vis absorption spectrum of the PTPA-V thin film was shifted to the red by about 10nm, suggesting stronger aggregation effect occurred in the thin film. The fluorescence decay profiles of the singlet excited state of PTPA-V in different deaerated organic solvents revealed a mono-exponential decay with a lifetime of 8.9ns (toluene), 6.4ns (THF) and 5.2ns (DMF). The as-prepared electronic device with a configuration of Al/PTPA-V/ITO exhibited two accessible conductivity states, i.e., the high-conductivity (ON) state and the low-conductivity (OFF) state. A typical nonvolatile rewritable memory behavior was observed, with turn-on and turn-off voltages of −1.92 and 2.67V, and a large ON/OFF current ratio of more than 105. Unlike poly(triphenylamine) without any electron paramagnetic resonance (EPR) signal, PTPA-V shows an EPR signal with a g factor of 2.004, suggesting existence of unpaired electrons or free radicals in this polymer due to the charge transfer between the triphenylamine (TPA) moieties and the viologen (V) moieties, which resulted in the formation of TPA+ and V-.</description><identifier>ISSN: 0014-3057</identifier><identifier>EISSN: 1873-1945</identifier><identifier>DOI: 10.1016/j.eurpolymj.2017.07.010</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Absorption spectra ; Catalysts ; Charge transfer ; Chemical synthesis ; Conductivity ; Decay ; Electron paramagnetic resonance ; Fluorescence ; Free radicals ; Materials synthesis ; Molecular orbitals ; Nonvolatile rewritable memory ; Palladium ; Polymers ; Thin films ; Toluene ; Triphenylamine ; Viologen</subject><ispartof>European polymer journal, 2017-09, Vol.94, p.222-229</ispartof><rights>2017 Elsevier Ltd</rights><rights>Copyright Elsevier BV Sep 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c343t-469fb1cd7079ba5cee58caa2907672d10e9e46b16801b5e4a7c010ec29405db93</citedby><cites>FETCH-LOGICAL-c343t-469fb1cd7079ba5cee58caa2907672d10e9e46b16801b5e4a7c010ec29405db93</cites><orcidid>0000-0002-4090-0420 ; 0000-0002-6274-2048</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.eurpolymj.2017.07.010$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3549,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Wang, Luxin</creatorcontrib><creatorcontrib>Sun, Sai</creatorcontrib><creatorcontrib>Zhang, Bin</creatorcontrib><creatorcontrib>Yang, Lingyun</creatorcontrib><creatorcontrib>Yao, Yefeng</creatorcontrib><creatorcontrib>Zhuang, Xiaodong</creatorcontrib><creatorcontrib>Chen, Yu</creatorcontrib><title>Viologen-based conjugated ionic polymer for nonvolatile rewritable memory device</title><title>European polymer journal</title><description>The as-prepared electronic device with a configuration of Al/PTPA-V/ITO exhibits typical nonvolatile storage performance of a bistable rewritable memory device, with turn-on and turn-off voltages of −1.92 and 2.67V, and a large ON/OFF current ratio exceeding 105.
[Display omitted]
•A novel soluble viologen-based conjugated ionic copolymer, PTPA-V, was reported.•PTPA-V based memory device exhibited a non-volatile rewritable memory behavior.•The write and erase voltages are −1.92 and 2.67V and ON/OFF current ratio exceeds 105.
A novel soluble viologen-based conjugated ionic copolymer, PTPA-V, was synthesized by using Suzuki coupling reaction in the presence of the tetrakis(triphenylphosphine)palladium(0) as the catalyst. Its HOMO, LUMO, EA, IP and Eg values derived from the CV data are −5.44, −3.10, 3.07, 5.70 and 2.34eV, respectively. The maximum absorption peak observed in the UV/Vis absorption spectrum of the PTPA-V thin film was shifted to the red by about 10nm, suggesting stronger aggregation effect occurred in the thin film. The fluorescence decay profiles of the singlet excited state of PTPA-V in different deaerated organic solvents revealed a mono-exponential decay with a lifetime of 8.9ns (toluene), 6.4ns (THF) and 5.2ns (DMF). The as-prepared electronic device with a configuration of Al/PTPA-V/ITO exhibited two accessible conductivity states, i.e., the high-conductivity (ON) state and the low-conductivity (OFF) state. A typical nonvolatile rewritable memory behavior was observed, with turn-on and turn-off voltages of −1.92 and 2.67V, and a large ON/OFF current ratio of more than 105. Unlike poly(triphenylamine) without any electron paramagnetic resonance (EPR) signal, PTPA-V shows an EPR signal with a g factor of 2.004, suggesting existence of unpaired electrons or free radicals in this polymer due to the charge transfer between the triphenylamine (TPA) moieties and the viologen (V) moieties, which resulted in the formation of TPA+ and V-.</description><subject>Absorption spectra</subject><subject>Catalysts</subject><subject>Charge transfer</subject><subject>Chemical synthesis</subject><subject>Conductivity</subject><subject>Decay</subject><subject>Electron paramagnetic resonance</subject><subject>Fluorescence</subject><subject>Free radicals</subject><subject>Materials synthesis</subject><subject>Molecular orbitals</subject><subject>Nonvolatile rewritable memory</subject><subject>Palladium</subject><subject>Polymers</subject><subject>Thin films</subject><subject>Toluene</subject><subject>Triphenylamine</subject><subject>Viologen</subject><issn>0014-3057</issn><issn>1873-1945</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqFUE1LxDAUDKLguvobLHhufa9Nm-a4LH6BoAf1GtL0dUlpmzVtV_bfm3XFqzDw5jAzjxnGrhESBCxu24Rmv3Xdvm-TFFAkEIBwwhZYiixGyfNTtgBAHmeQi3N2MY4tAIisyBbs9cO6zm1oiCs9Uh0ZN7TzRk-BWjdYE_0kk48a56PBDTvX6cl2FHn68nbSVaA99c7vo5p21tAlO2t0N9LV712y9_u7t_Vj_Pzy8LRePccm49kU80I2FZpagJCVzg1RXhqtUwmiEGmNQJJ4UWFRAlY5cS1MKEUmlRzyupLZkt0cc7fefc40Tqp1sx_CS4WyQA4lD_WXTBxVxrtx9NSorbe99nuFoA7zqVb9zacO8ykIQAjO1dFJocTOklejsTQYqq0nM6na2X8zvgF2cH61</recordid><startdate>201709</startdate><enddate>201709</enddate><creator>Wang, Luxin</creator><creator>Sun, Sai</creator><creator>Zhang, Bin</creator><creator>Yang, Lingyun</creator><creator>Yao, Yefeng</creator><creator>Zhuang, Xiaodong</creator><creator>Chen, Yu</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-4090-0420</orcidid><orcidid>https://orcid.org/0000-0002-6274-2048</orcidid></search><sort><creationdate>201709</creationdate><title>Viologen-based conjugated ionic polymer for nonvolatile rewritable memory device</title><author>Wang, Luxin ; Sun, Sai ; Zhang, Bin ; Yang, Lingyun ; Yao, Yefeng ; Zhuang, Xiaodong ; Chen, Yu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-469fb1cd7079ba5cee58caa2907672d10e9e46b16801b5e4a7c010ec29405db93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Absorption spectra</topic><topic>Catalysts</topic><topic>Charge transfer</topic><topic>Chemical synthesis</topic><topic>Conductivity</topic><topic>Decay</topic><topic>Electron paramagnetic resonance</topic><topic>Fluorescence</topic><topic>Free radicals</topic><topic>Materials synthesis</topic><topic>Molecular orbitals</topic><topic>Nonvolatile rewritable memory</topic><topic>Palladium</topic><topic>Polymers</topic><topic>Thin films</topic><topic>Toluene</topic><topic>Triphenylamine</topic><topic>Viologen</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Luxin</creatorcontrib><creatorcontrib>Sun, Sai</creatorcontrib><creatorcontrib>Zhang, Bin</creatorcontrib><creatorcontrib>Yang, Lingyun</creatorcontrib><creatorcontrib>Yao, Yefeng</creatorcontrib><creatorcontrib>Zhuang, Xiaodong</creatorcontrib><creatorcontrib>Chen, Yu</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>European polymer journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Luxin</au><au>Sun, Sai</au><au>Zhang, Bin</au><au>Yang, Lingyun</au><au>Yao, Yefeng</au><au>Zhuang, Xiaodong</au><au>Chen, Yu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Viologen-based conjugated ionic polymer for nonvolatile rewritable memory device</atitle><jtitle>European polymer journal</jtitle><date>2017-09</date><risdate>2017</risdate><volume>94</volume><spage>222</spage><epage>229</epage><pages>222-229</pages><issn>0014-3057</issn><eissn>1873-1945</eissn><abstract>The as-prepared electronic device with a configuration of Al/PTPA-V/ITO exhibits typical nonvolatile storage performance of a bistable rewritable memory device, with turn-on and turn-off voltages of −1.92 and 2.67V, and a large ON/OFF current ratio exceeding 105.
[Display omitted]
•A novel soluble viologen-based conjugated ionic copolymer, PTPA-V, was reported.•PTPA-V based memory device exhibited a non-volatile rewritable memory behavior.•The write and erase voltages are −1.92 and 2.67V and ON/OFF current ratio exceeds 105.
A novel soluble viologen-based conjugated ionic copolymer, PTPA-V, was synthesized by using Suzuki coupling reaction in the presence of the tetrakis(triphenylphosphine)palladium(0) as the catalyst. Its HOMO, LUMO, EA, IP and Eg values derived from the CV data are −5.44, −3.10, 3.07, 5.70 and 2.34eV, respectively. The maximum absorption peak observed in the UV/Vis absorption spectrum of the PTPA-V thin film was shifted to the red by about 10nm, suggesting stronger aggregation effect occurred in the thin film. The fluorescence decay profiles of the singlet excited state of PTPA-V in different deaerated organic solvents revealed a mono-exponential decay with a lifetime of 8.9ns (toluene), 6.4ns (THF) and 5.2ns (DMF). The as-prepared electronic device with a configuration of Al/PTPA-V/ITO exhibited two accessible conductivity states, i.e., the high-conductivity (ON) state and the low-conductivity (OFF) state. A typical nonvolatile rewritable memory behavior was observed, with turn-on and turn-off voltages of −1.92 and 2.67V, and a large ON/OFF current ratio of more than 105. Unlike poly(triphenylamine) without any electron paramagnetic resonance (EPR) signal, PTPA-V shows an EPR signal with a g factor of 2.004, suggesting existence of unpaired electrons or free radicals in this polymer due to the charge transfer between the triphenylamine (TPA) moieties and the viologen (V) moieties, which resulted in the formation of TPA+ and V-.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.eurpolymj.2017.07.010</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-4090-0420</orcidid><orcidid>https://orcid.org/0000-0002-6274-2048</orcidid></addata></record> |
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| subjects | Absorption spectra Catalysts Charge transfer Chemical synthesis Conductivity Decay Electron paramagnetic resonance Fluorescence Free radicals Materials synthesis Molecular orbitals Nonvolatile rewritable memory Palladium Polymers Thin films Toluene Triphenylamine Viologen |
| title | Viologen-based conjugated ionic polymer for nonvolatile rewritable memory device |
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