A novel donor–π–acceptor halochromic 2,6-distyrylnaphthalene chromophore: synthesis, photophysical properties and DFT studies

Panahi, Farhad; Mahmoodi, Ali; Ghodrati, Sajjad; Eshghi, Fazlolah

doi:10.1039/d0ra08508a

Cited by 10 publications

(6 citation statements)

References 51 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…However, only a limited number of halochromic white light emitters have been synthesized so far, and the low quantum yield is still a critical issue. Herein, in continuation of our previous reports 45 – 50 , two highly efficient donor–π–acceptor and donor–π–donor stilbene-based fluorescent chromophores (Fig. 1 ) with white light emission introduced and their photophysical properties investigated.…”

Section: Introductionmentioning

confidence: 65%

New white light-emitting halochromic stilbenes with remarkable quantum yields and aggregation-induced emission

Panahi

Mahmoodi

Ghodrati

et al. 2022

Sci Rep

Self Cite

View full text Add to dashboard Cite

Highly efficient single-component white light emitters (SWLEs), are attractive candidates for the simple and cost-effective fabrication of high-performance lighting devices. This study introduced a donor–π–acceptor and a donor–π–donor stilbene-based chromophores, representing pH-responsive fluorescence. The emitters showed yellow and green fluorescence in their neutral form. At the same time, protonation of the chromophores caused blue fluorescence color with a strong hypsochromic shift. The white light emission (WLE) for these chromophores was observed at approximately pH 3 due to the simultaneous presence of the neutral and protonated forms of the chromophores, covering almost all the emission spectra in the visible region (400–700 nm). These chromophores presented exceptional white light quantum yields (Φ) between 31 and 54%, which was desirable for producing white light-emitting devices. Density functional theory (DFT) and time-dependent (TD)-DFT were applied to study the structural and electronic properties of the chromophores.

show abstract

Section: Introductionmentioning

confidence: 65%

New white light-emitting halochromic stilbenes with remarkable quantum yields and aggregation-induced emission

Panahi

Mahmoodi

Ghodrati

et al. 2022

Sci Rep

Self Cite

View full text Add to dashboard Cite

show abstract

“…[36][37][38][39][40][41][42][43][44] However, only a limited number of halochromic white light emitters have been synthesized so far, and the low quantum yield is still a critical issue. Herein, in continuation of our previous reports, [45][46][47][48][49][50] two highly e cient donor-π-acceptor and donor-π-donor stilbene-based uorescent chromophores (Figure 1) with white light emission introduced and their photophysical properties investigated.…”

Section: Introductionmentioning

confidence: 69%

New White Light-Emitting Halochromic Stilbenes with Remarkable Quantum Yields and Aggregation-Induced Emission

Panahi¹,

Mahmoodi²,

Ghodrati³

et al. 2021

Preprint

Self Cite

View full text Add to dashboard Cite

Highly efficient single-component white light emitters (SWLEs), are attractive candidates for the simple and cost-effective fabrication of high-performance lighting devices. This study introduced a donor–π–acceptor and a donor–π–donor stilbene-based chromophores, representing pH-responsive fluorescence. The emitters showed yellow and green fluorescence in their neutral form. At the same time, protonation of the chromophores caused blue fluorescence color with a strong hypsochromic shift. The white light emission (WLE) for these chromophores was observed at approximately pH=3 due to the simultaneous presence of the neutral and protonated forms of the chromophores, covering almost all the emission spectra in the visible region (400-700 nm). These chromophores presented exceptional white light quantum yields (Φ) between 31-54%, which was desirable for producing white light-emitting devices. Density functional theory (DFT) and time-dependent (TD)-DFT were applied to study the structural and electronic properties of the chromophores.

show abstract

“…The synthesis of 3a′′ is important because it can be used for the synthesis of unsymmetrical DSB incorporating two different functional groups in the ends of pi-conjugated system. 50 Using 1.5 mol% of Pd–NHC–MIL-101(Cr) catalyst and ratio of 1 : 2.2 for 4a : 5a, DSB 3a was obtained in 84% isolated yield ( Table 2 , entry 3). Employing the same catalyst loading and reveres ratio of 4a : 5a (2.2 : 1), compound 3a′′ was obtained in 86% ( Table 2 , entry 4).…”

Section: Resultsmentioning

confidence: 99%

Synthesis of some new distyrylbenzene derivatives using immobilized Pd on an NHC-functionalized MIL-101(Cr) catalyst: photophysical property evaluation, DFT and TD-DFT calculations

et al. 2021

Self Cite

View full text Add to dashboard Cite

show abstract

A novel donor–π–acceptor halochromic 2,6-distyrylnaphthalene chromophore: synthesis, photophysical properties and DFT studies

Abstract: A new pH-responsive fluorescence chromophore with white light emission at pH = 3 was synthesized which has high potential application in the preparation of high-performance lighting devices.

Cited by 10 publications

References 51 publications

New white light-emitting halochromic stilbenes with remarkable quantum yields and aggregation-induced emission

New white light-emitting halochromic stilbenes with remarkable quantum yields and aggregation-induced emission

New White Light-Emitting Halochromic Stilbenes with Remarkable Quantum Yields and Aggregation-Induced Emission

Synthesis of some new distyrylbenzene derivatives using immobilized Pd on an NHC-functionalized MIL-101(Cr) catalyst: photophysical property evaluation, DFT and TD-DFT calculations

Contact Info

Product

Resources

About