Influence of different peripheral substituents on the nonlinear optical properties of cobalt phthalocyanine core

Abstract

In this article, we show how the substituting different peripheral substituents around the cobalt phthalocyanine core correlate with nonlinear optical properties. We present the results on nonlinear optical properties of solution of cobalt phthalocyanine (CoPc), cobalt phthalocyanine with DNA-CTMA surfactant complex (CoPc-DNA-CTMA), and cobalt phthalocyanine with liquid crystal (CoPc-LC) measured by degenerate four-wave mixing (DFWM) method at the 532 nm wavelength region. We found that the values of third-order nonlinear optical susceptibility (χ⟨3⟩) of CoPc-LC and CoPc-DNA-CTMA increase in comparison with the value of the third-order nonlinear optical susceptibilities of CoPc. We supposed that this is caused by increase of the charge-transfer effects and of the dipole moments of the molecule with the increase of the chain length.

Biopolymers for Application in Photonics

“…Indeed, lots of different complexes, particularly DNA-surfactant-photosensitive chromophore complexes were successfully made in this way [see e.g. Grote [16], Rau et al [38], Derkowska et al [15]). Photos of some examples of solutions of photosensitive chromophores are reported in Figure 10, a.…”

DNA as scaffolding for nanophotonic structures

“…89 In organic field effect transistors, a thin layer of DNA-CTMA was introduced as gate dielectric, 90 and in combination with quantum dots, it served as the efficient hole-transporting layer in light-emitting diodes 91 and as an electron-blocking layer in OLEDs. 92 Moreover, DNA-CTMA doped with photochromic dyes, such as Disperse Red 1, provided a favorable matrix for dynamic holography 93,94 and other nonlinear optical features such as, for example, third-harmonic generation. 95 DNA with cationic lipids containing TEMPO radicals exhibits a reversible two-stage charge/discharge processes with promising application as an organic radical battery, 96 whereas DNA loaded with the DMASDPB dye demonstrated improved photostability when compared to the PMMA matrix (to cite one example), which can be of importance for photonic applications (solid-state laser design).…”

Synthesis, characterization and aggregation and fluorescence properties of novel highly soluble zinc phthalocyanines bearing tetrakis-4-(3-(piperidin-1-yl)phenoxy) with tetra and dodecachloro substituents

“…To increase the solubility of MPcs, different kinds of solubility enhancing substituents such as alkyl, alkoxy, phenoxy, thiophenoxy, naphthoxy and macrocyclic groups have been introduced onto the peripheral and non-peripheral position of MPc ring [16][17][18][19][20][21]. Further, the physical and chemical properties of MPcs can be influenced by changing the substituent on the Pc ring and the metal ion in inner core of the ring [22][23][24]. The absorption spectra of MPcs showed characteristic less intense B band and more intense Q band.…”