Transition Metal Acetylides for Nonlinear Optical Properties

Marder, Todd B.; Lesley, Gerry; Zheng, Yuesheng; Fyfe, Helen B.; Chow, Pauline; Stringer, Graham; Jobe, Ian R.; Taylor, Nicholas J.; Williams, Ian D.; Kurtz, S. K.

doi:10.1021/bk-1991-0455.ch040

Cited by 49 publications

(33 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The PÀPtÀP bond angle for the unsymmetric complex NF-Pt-O shows the smallest value of 177.22(9)8. The crystal structure for NF-Pt-O, which crystallizes in the noncentrosymmetric space group Pna2 1 [Flack parameter 0.010 (9)] represents one of the very rare examples of unsymmetric Pt(II) bis(acetylide)s. [38] All of these X-ray structural data are very useful for the computational analyses of their electronic structures (vide infra). Figure 2 gives the absorption spectra of all the Pt(II) bis(acetylide)s in CH 2 Cl 2 at 293 K and the data are summarized in Table 2.…”

Section: Crystal Structuresmentioning

confidence: 99%

Symmetric Versus Unsymmetric Platinum(II) Bis(aryleneethynylene)s with Distinct Electronic Structures for Optical Power Limiting/Optical Transparency Trade‐off Optimization

Zhou

Wong

Poon

et al. 2009

Adv Funct Materials

134

View full text Add to dashboard Cite

A new series of symmetric and unsymmetric Pt(II) bis(acetylide) complexes of the type DC≡CPt(PBu3)2C≡CD (DPtD), AC≡CPt(PBu3)2C≡CA (APtA) and DC≡CPt(PBu3)2C≡CA (DPtA) (D, donor groups; A, acceptor groups) are synthesized, and show superior optical power limiting (OPL)/optical transparency trade‐offs. By tailoring the electronic properties of the aryleneethynylene group, distinct electronic structures for these metalated complexes can be obtained, which significantly affect their photophysical behavior and OPL properties for a nanosecond laser pulse at 532 nm. Electronic influence of the ligand type and the molecular symmetry of metal group on the optical transparency/nonlinearity optimization is thoroughly elucidated. Generally, aryleneethynylene ligands with π electron‐accepting nature will effectively enhance the harvesting efficiency of the triplet excited states. The ligand variation to the OPL strength of these Pt(II) compounds follows the order: DPtD > DPtA > APtA. These results could be attributed to the distinctive excited state character induced by their different electronic structures, on the basis of the data from both photophysical studies and theoretical calculations. All of the complexes show very good optical transparencies in the visible‐light region and exhibit excellent OPL responses with very impressive figure of merit σex/σo values (up to 17), which remarkably outweigh those of state‐of‐the‐art reverse saturable absorption dyes such as C60 and metallophthalocyanines with very poor transparencies. Their lower optical‐limiting thresholds (0.05 J cm−2 at 92% linear transmittance) compared with that of the best materials (ca. 0.07 J cm−2 for InPc and PbPc dyes) currently in use will render these highly transparent materials promising candidates for practical OPL devices for the protection of human eyes and other delicate electro‐optic sensors.

show abstract

Section: Crystal Structuresmentioning

confidence: 99%

Symmetric Versus Unsymmetric Platinum(II) Bis(aryleneethynylene)s with Distinct Electronic Structures for Optical Power Limiting/Optical Transparency Trade‐off Optimization

Zhou

Wong

Poon

et al. 2009

Adv Funct Materials

134

View full text Add to dashboard Cite

show abstract

“…Only few examples of such crystal packings have been disclosed, usually for merocyanine‐ or 4‐nitrophenol‐based materials 6. However, to the best of our knowledge, only one such crystal where the NLO chromophore is alone and perfectly aligned, has already been described 6a…”

Section: Resultsmentioning

confidence: 99%

A Novel and Perfectly Aligned Crystal of a Ferrocenyl Chromophore Displaying High Quadratic Nonlinear Optical Bulk Efficiency

Chiffre

Averseng

Balavoine

et al. 2001

Eur. J. Inorg. Chem.

View full text Add to dashboard Cite

show abstract

“…2.021(5) Å in 5) 16 but agrees well with those in other previously published bis(acetylide) structures containing a diimine ligand. 17 In both cases the average bond angles of 176.1 (5) (5) and 176(1)Њ (7) for the fragment Pt-C᎐ ᎐ ᎐ C conform to the linear geometry of the bis(acetylide) complexes and greater deviation from linearity is observed for the adjacent C-C-S angle (av. 170.5(6)Њ for 5; 170(1)Њ for 7) than for the Pt-C-C angle.…”

Section: Crystal Structure Analysesmentioning

confidence: 94%

“…1b,d, 2 Linear rigid acetylenic frameworks could also function as molecular wires and are widely used for the fabrication of molecular nanostructures. 3 Recently, the synthesis of extended rigid-rod structures containing transition-metal σ-bound acetylides and diacetylides has attracted considerable attention, 4 in view of their potential non-linear optical 5 and liquid-crystalline properties. 6 Insertion of a transition metal within the skeleton is especially intriguing since the d electrons of transition metals are polarizable and induce polarization in these systems.…”

mentioning

confidence: 99%

Synthesis, structures and properties of platinum(II) complexes of oligoacetylenic sulfides

Zhang

Lee

Wong

et al. 2000

J. Chem. Soc., Dalton Trans.

View full text Add to dashboard Cite

Transition Metal Acetylides for Nonlinear Optical Properties

Cited by 49 publications

References 0 publications

Symmetric Versus Unsymmetric Platinum(II) Bis(aryleneethynylene)s with Distinct Electronic Structures for Optical Power Limiting/Optical Transparency Trade‐off Optimization

Symmetric Versus Unsymmetric Platinum(II) Bis(aryleneethynylene)s with Distinct Electronic Structures for Optical Power Limiting/Optical Transparency Trade‐off Optimization

A Novel and Perfectly Aligned Crystal of a Ferrocenyl Chromophore Displaying High Quadratic Nonlinear Optical Bulk Efficiency

Synthesis, structures and properties of platinum(II) complexes of oligoacetylenic sulfides

Contact Info

Product

Resources

About