Exploring Through-Space Charge Transfer-Mediated Optoelectrochemical Properties of Dual-State Luminescent Aliphatic Polymers and Optoelectronic Responses toward Metal Ions

被引:1
作者
Chowdhury, Deepak [1 ]
Hassan, Nadira [1 ]
Roy, Shrestha [1 ,2 ]
Sanfui, M. D. Hussain [1 ]
Nandy, Preetam [1 ,2 ]
Chang, Mincheol [3 ]
Rahaman, Mostafizur [4 ]
Ghosh, Narendra Nath [5 ]
Hasnat, Mohammad A. [6 ]
Chattopadhyay, Pijush Kanti [7 ]
Maiti, Dilip K. [2 ]
Singha, Nayan Ranjan [1 ]
机构
[1] Maulana Abul Kalam Azad Univ Technol, Govt Coll Engn & Leather Technol Post Grad, Dept Polymer Sci & Technol, Adv Polymer Lab, Kolkata 700106, W Bengal, India
[2] Univ Calcutta, Dept Chem, Kolkata 700009, W Bengal, India
[3] Chonnam Natl Univ, Grad Sch, Dept Polymer Engn, Gwangju 61186, South Korea
[4] King Saud Univ, Coll Sci, Dept Chem, Riyadh 11451, Saudi Arabia
[5] Pakuahat ANM High Sch, Malda 732138, W Bengal, India
[6] Shahjalal Univ Sci & Technol, Sch Phys Sci, Dept Chem, Electrochem & Catalysis Res Lab ECRL, Sylhet 3114, Bangladesh
[7] Maulana Abul Kalam Azad Univ Technol, Govt Coll Engn & Leather Technol Post Grad, Dept Leather Technol, Kolkata 700106, W Bengal, India
关键词
AGGREGATION-INDUCED EMISSION; ACTIVATED DELAYED FLUORESCENCE; MACROMOLECULES; CONDUCTIVITY; ENHANCEMENT; DENDRIMERS; SYSTEM;
D O I
10.1021/acs.langmuir.4c02890
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Herein, natural-synthetic hybrid dual-state luminescent conducting polymers (DLCPs/DLCP1-DLCP8) possessing significant optoelectrochemical properties are strategically developed by the polymerization of prop-2-enamide, cis-butenedioic acid, 2-acrylamido-2-methylpropane-1-sulfonic acid, and in situ-generated 2-(3-acrylamidopropanamido)-2-methylpropane-1-sulfonic acid alongside the grafting of gum tragacanth. The spectroscopic data of aliphatic DLCPs affirm DLCP7 as the most stable supramolecular assembly endowing optoelectronic properties. Computational calculations identified -C(& boxH;O)NH-, -C(& boxH;O)OH, -OH, and -SO3H as subluminophores. The absorption spectra, excitation wavelength-/solvent-polarity-/concentration-dependent luminescence, solid state luminescence, aggregation-induced enhanced luminescence, and time-correlated single photon count (TCSPC) studies confirm the occurrence of aggregation-mediated intramolecular through-space charge transfer (ITSCT) in the excited state of DLCP7. Mulliken charge, natural bond orbital, dipole moments, and electronic potential surface analyses confirm the charge donor-acceptor system in DLCP7. Furthermore, the selective optoelectronic response of DLCP7 toward Ca2+/Cu(II) at 438/574 nm is explored using ultraviolet-visible spectra, TCSPC analyses, a dynamic light scattering study, and computational investigations. The chelation-enhanced luminescence and ITSCT inhibition are responsible for turn-on and turn-off detections of Ca2+ and Cu(II), respectively. Cu(II) -> Cu(I) reduction in a DLCP7 solution is inferred from electrochemical and spectroscopic analyses. The conductivities of 9.65 x 10(-5) S cm(-1) (solid state) and 44.35 x 10(-5) S cm(-1) (solution) in DLCP7 are validated by current-voltage and electrochemical impedance measurements. Again, strong electronic conductivities of 43.89 x 10(-5) S cm(-1) (solid state)/53.34 x 10(-5) S cm(-1) (solution) and 45.42 x 10(-5) S cm(-1) (solid state)/64.81 x 10(-5) S cm(-1) (solution) are observed in Ca2+-DLCP7 and Cu(II)-DLCP7, respectively.
引用
收藏
页码:22265 / 22282
页数:18
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