Solvatochromism, multiphoton fluorescence, and resonance energy transfer in a new octupolar dye-pair

Namboodiri, C. K. R.; Bisht, Prem B.; Mukkamala, Ramesh; Chandra, Bappaditya; Aidhen, Indrapal Singh

doi:10.1016/j.chemphys.2013.01.012

Cited by 11 publications

(3 citation statements)

References 36 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The centrifugal arrangement of TPA derivatives can be reversed to centripetal if electron‐deficient cores, such as 1,3,5‐trisubstituted benzene 57 ,102 2,4,6‐trisubstituted pyridine 58 ,103 and pyrimidine 59 ,104 are employed (Figure ). However, the most widely employed central electron acceptor for star‐shaped centripetal push–pull molecules is undoubtedly triazine 60 105.…”

Section: Y‐shaped Moleculesmentioning

confidence: 99%

Alphabet‐Inspired Design of (Hetero)Aromatic Push–Pull Chromophores

Klikar

Solanke

Tydlitát

et al. 2016

The Chemical Record

View full text Add to dashboard Cite

Push-pull molecules represent a unique and fascinating class of organic p-conjugated materials. Herein, we provide a summary of their recent extraordinary design inspired by letters of the alphabet, especially focusing on H-, L-, T-, V-, X-, and Y-shaped molecules. Representative structures from each class were presented and their fundamental properties and prospective applications were discussed. In particular, emphasis is given to molecules recently prepared in our laboratory with T-, X-, and Y-shaped arrangements based on indan-1,3-dione, benzene, pyridine, pyrazine, imidazole, and triphenylamine. These push-pull molecules turned out to be very efficient charge-transfer chromophores with tunable properties suitable for second-order nonlinear optics, two-photon absorption, reversible pH-induced and photochromic switching, photocatalysis, and intercalation.

show abstract

Section: Y‐shaped Moleculesmentioning

confidence: 99%

Alphabet‐Inspired Design of (Hetero)Aromatic Push–Pull Chromophores

Klikar

Solanke

Tydlitát

et al. 2016

The Chemical Record

View full text Add to dashboard Cite

show abstract

“…42 Subsequently, the preparation of DPATSP and its Nmethyl iodized salt, denoted by (DPATSP−Me) + I − , was realized for studying their two-photon absorption (TPA) properties by Bisht and co-workers. 43,44 It was found that the TPA cross section of (DPATSP−Me) + I − significantly increases relative to that of the DPATSP, and the former can serve as a better candidate for applications in nonlinearity.…”

Section: Introductionmentioning

confidence: 99%

“…In this case, tremendous amount of research for octupolar compounds similar to those already devoted to the dipolar molecules has been made. − An octupolar molecule DPATSB has been synthesized, and the NLO properties of it were studied in detail by Zhang et al in 2008 . Subsequently, the preparation of DPATSP and its N -methyl iodized salt, denoted by (DPATSP–Me) + I – , was realized for studying their two-photon absorption (TPA) properties by Bisht and co-workers. , It was found that the TPA cross section of (DPATSP–Me) + I – significantly increases relative to that of the DPATSP, and the former can serve as a better candidate for applications in nonlinearity.…”

Section: Introductionmentioning

confidence: 99%

Extended First Hyperpolarizability of Quasi-Octupolar Molecules by Halogenated Methylation: Whether the Iodine Atom is the Best Choice

Liu

Hua

2018

J. Phys. Chem. C

View full text Add to dashboard Cite

Inspired by a previous report, in which the quasi-octupolar molecules DPATSB, DPATSP, and (DPATSP−Me) + I − were synthesized and the iodized salt was proposed as a suitable optical limiting chromophore, we performed linear and nonlinear optical analyses on the synthesis molecules and several extension halogenated dyes ((DPATSP−Me) + X − (X = F, Cl, and Br)) by using density functional theory (DFT) and time-dependent DFT (TD-DFT) methods. The energy gap of frontier molecular orbitals (FMOs) was diminished by introducing the pyridinium ion into the system, and a charge-separated state was formed in halogenated salts. The N-methylation of the dye leads to a sharp increase in response characteristics, accompanied by a red-shift of the absorption spectrum from the ultraviolet region to the visible light region. Importantly, our studies show that there exists a significant halogen atomic-species dependence of the nonlinearity of the salts. Fluorination and bromination of the molecule seem to be more potential in improving the nonlinearity in zero-frequency and frequency-dependent incident light, respectively, without causing the undesirable red-shift of the absorption band relative to their halogenated analogues. The nonlinear optical (NLO) responses calculated by different DFTs are identical in trend.

show abstract

Covalent Organic Frameworks with trans-Dimensionally Vinylene-linked π-Conjugated Motifs

Meng

et al. 2022

Chem. Res. Chin. Univ.

View full text Add to dashboard Cite

Solvatochromism, multiphoton fluorescence, and resonance energy transfer in a new octupolar dye-pair

Cited by 11 publications

References 36 publications

Alphabet‐Inspired Design of (Hetero)Aromatic Push–Pull Chromophores

Alphabet‐Inspired Design of (Hetero)Aromatic Push–Pull Chromophores

Extended First Hyperpolarizability of Quasi-Octupolar Molecules by Halogenated Methylation: Whether the Iodine Atom is the Best Choice

Covalent Organic Frameworks with trans-Dimensionally Vinylene-linked π-Conjugated Motifs

Contact Info

Product

Resources

About