DC Field | Value | Language |
---|---|---|
dc.contributor.author | Khalid, Naila | ko |
dc.contributor.author | Siddiqi, Humaira Masood | ko |
dc.contributor.author | Park, O. OK. | ko |
dc.contributor.author | Ahmed, Safeer | ko |
dc.contributor.author | Serwar, Monazza | ko |
dc.date.accessioned | 2023-07-27T05:01:39Z | - |
dc.date.available | 2023-07-27T05:01:39Z | - |
dc.date.created | 2023-07-27 | - |
dc.date.created | 2023-07-27 | - |
dc.date.issued | 2023-07 | - |
dc.identifier.citation | CHEMISTRYSELECT, v.8, no.26 | - |
dc.identifier.issn | 2365-6549 | - |
dc.identifier.uri | http://hdl.handle.net/10203/310858 | - |
dc.description.abstract | The present study reported the synthesis of a series of 4,4'diamino-(4''-p-bromophenoxy)triphenylamine diamine 2 based co-polyimides (Br-TPA co-PIs (A-D))obtained via polycondensation of 2 with a series of dianhydrides. The nucleophilic N-arylation of the 4-(4-bromophenoxy)benzenamine followed by catalytic reduction was used to obtain 2. The synthesized Br-TPA coPIs were characterized by CHN elemental, and FTIR spectral analysis. The optical and redox active properties were examined by the ultraviolet/visible (UV/vis) absorption, photoluminescence emission spectral analysis and cyclic voltammetry respectively. From which it is obvious that Br-TPA coPIs are optical transparent, and deep blue light emissive in the range 465-472 nm with a quantum efficiency of 4.6-7.3 %. The lifetime decay was calculated from the time correlation single photon counting (TCSPC) and found in the range 11.7-12.9 nS. The evaluation of thermal properties via thermogravimetric analysis (TGA) revealed excellent thermal stability of synthesized materials in the range 426-476 & DEG;C. The excellent thermal properties, appreciable processability, shallow HOMO levels (-4.70 eV), low onset oxidation (E onset=0.296 V) and long-lived excited states (12.94 nS decay time) evidently depicted their optoelectronic character, suggesting their use as efficient light emitting layer in light emitting diiodes. | - |
dc.language | English | - |
dc.publisher | WILEY-V C H VERLAG GMBH | - |
dc.title | Bromophenoxy Substitution Effect on Thermal and Opto-Electronic Properties of Triphenylamine-Based Co-polyimides | - |
dc.type | Article | - |
dc.identifier.wosid | 001025354700001 | - |
dc.identifier.scopusid | 2-s2.0-85165439508 | - |
dc.type.rims | ART | - |
dc.citation.volume | 8 | - |
dc.citation.issue | 26 | - |
dc.citation.publicationname | CHEMISTRYSELECT | - |
dc.identifier.doi | 10.1002/slct.202203674 | - |
dc.contributor.localauthor | Park, O. OK. | - |
dc.contributor.nonIdAuthor | Khalid, Naila | - |
dc.contributor.nonIdAuthor | Siddiqi, Humaira Masood | - |
dc.contributor.nonIdAuthor | Ahmed, Safeer | - |
dc.contributor.nonIdAuthor | Serwar, Monazza | - |
dc.description.isOpenAccess | N | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | Bromophenoxy triphenylamine | - |
dc.subject.keywordAuthor | decay time | - |
dc.subject.keywordAuthor | bromosubstituted polyimide | - |
dc.subject.keywordAuthor | processable polyimide | - |
dc.subject.keywordAuthor | soluble polyimide | - |
dc.subject.keywordAuthor | and fluorescent polyimide | - |
dc.subject.keywordPlus | AROMATIC POLYAMIDES | - |
dc.subject.keywordPlus | POLYMERS | - |
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