Optical Power Limiters Based on Colorless Di‐, Oligo‐, and Polymetallaynes: Highly Transparent Materials for Eye Protection Devices

Zhou, Guoquan; Wong, Wai Yeung; Cheng, Ya; Lin, Zhenyang

doi:10.1002/adfm.200600855

Cited by 138 publications

(82 citation statements)

References 107 publications

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“…For instance the platinum(II) square-planar complex trans-[P(n-Bu) 3 ] 2 Pt[(C C-p-C 6 H 4 -C C-p-C 6 H 5 ] 2 [326,346,347] was reported for efficient nonlinear absorption in solution, [326,[346][347][348] and series of derivatives were prepared with improved properties. [294,[349][350][351][352][353][354][355][356][357][358] The use of PMMA monoliths hosting platinum derivatives was an efficient route towards OPL materials. [278,359] The measured linear transmissions were nearly 90% in the visible and NLO properties were maintained in the solid.…”

Section: Dispersion Of Dyes In Sol-gel or Organic Materialsmentioning

confidence: 99%

Optical Properties of Hybrid Organic‐Inorganic Materials and their Applications

Parola

Julián‐López

Carlos

et al. 2016

Adv Funct Materials

240

116

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Research on hybrid inorganic‐organic materials has experienced an explosive growth since the 1980s, with the expansion of soft inorganic chemistry based processes. Indeed, mild synthetic conditions, low processing temperatures provided by “chimie douce” and the versatility of the colloidal state allow for the mixing of the organic and inorganic components at the nanometer scale in virtually any ratio to produce the so called hybrid materials. Today a high degree of control over both composition and nanostructure of these hybrids can be achieved allowing tunable structure‐property relationships. This, in turn, makes it possible to tailor and fine‐tune many properties (mechanical, optical, electronic, thermal, chemical…) in very broad ranges, and to design specific multifunctional systems for applications. In particular, the field of “Hybrid‐Optics” has been very productive not only scientifically but also in terms of applications. Indeed, numerous optical devices based on hybrids are already in, or very close, to the market. This review describes most of the recent advances performed in this field. Emphasis will be given to luminescent, photochromic, NLO and plasmonic properties. As an outlook we show that the controlled coupling between plasmonics and luminescence is opening a land of opportunities in the field of “Hybrid‐Optics”.

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Section: Dispersion Of Dyes In Sol-gel or Organic Materialsmentioning

confidence: 99%

Optical Properties of Hybrid Organic‐Inorganic Materials and their Applications

Parola

Julián‐López

Carlos

et al. 2016

Adv Funct Materials

240

116

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“…The additional requirements of a long excited-state lifetime, high resistance to degradative photochemistry, and large magnitude nonlinear optical (NLO) response have made identification of OPL candidates based on RSA for the NIR difficult. In contrast, a wide variety of optical limiting materials based upon phthalocyanine, [3][4][5][6][7][8][9][10][11] porphyrin, [12][13][14] fullerene, [15][16][17][18][19][20] carbon nanotube, 9,[21][22][23][24][25] nanoparticle, [26][27][28][29][30][31][32][33][34] and other [35][36][37][38][39][40] motifs have been identified for the visible spectral region. The limited number of potential NIR OPL materials 39,[41][42][43][44][45][46][47]…”

Section: Introductionmentioning

confidence: 99%

Excitation of Highly Conjugated (Porphinato)palladium(II) and (Porphinato)platinum(II) Oligomers Produces Long-Lived, Triplet States at Unit Quantum Yield That Absorb Strongly over Broad Spectral Domains of the NIR

et al. 2010

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Transient dynamical studies of bis [(5,5′-10,20-bis(2,6-bis(3,3-dimethylbutoxy)phenyl)porphinato)palladium(II)] ethyne (PPd 2 ), 5,15-bis{ [(5′-10,20-bis(2,6-bis(3,3-dimethylbutoxy)phenyl)porphinato)palladium(II)]ethynyl}(10,20-bis(2,6-bis(3,3-dimethylbutoxy)phenyl)porphinato)palladium(II) (PPd 3 ), bis [(5,5′-10,20-bis(2,6-bis(3,3-dimethylbutoxy)phenyl)porphinato)platinum(II)]ethyne (PPt 2 ), and 5,15-bis{[(5′-10,20-bis(2,6-bis(3,3-dimethylbutoxy)phenyl)porphinato)platinum(II)]ethynyl}(10,20-bis(2,6-bis(3,3-dimethylbutoxy)phenyl)porphinato)platinum(II) (PPt 3 ) show that the electronically excited triplet states of these highly conjugated supermolecular chromophores can be produced at unit quantum yield via fast S 1 f T 1 intersystem crossing dynamics (τ isc : 5.2-49.4 ps). These species manifest high oscillator strength T 1 f T n transitions over broad NIR spectral windows. The facts that (i) the electronically excited triplet lifetimes of these PPd n and PPt n chromophores are long, ranging from 5 to 50 µs, and (ii) the ground and electronically excited absorptive manifolds of these multipigment ensembles can be extensively modulated over broad spectral domains indicate that these structures define a new precedent for conjugated materials featuring low-lying π-π* electronically excited states for NIR optical limiting and related long-wavelength nonlinear optical (NLO) applications.

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“…The interest for third-order nonlinear optical (NLO) properties of organic materials has grown considerably during the last two decades due to the potential of finding inexpensive and easily processable materials for different optical applications including all-optical signal processing [1][2][3][4][5][6][7]. These applications can, for instance, take advantage of two-photon absorption/emission and third harmonic generation properties of the materials [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

“…These applications can, for instance, take advantage of two-photon absorption/emission and third harmonic generation properties of the materials [7][8][9]. Our interest in this area involves nonlinear absorption as a means for protection of eyes and various types of sensors in optical equipment from laser beams operating at wavelengths in the visible region [6,[10][11][12]. A primary requirement of the material is fast switching from high transparency for normal light (or low laser power)…”

Section: Introductionmentioning

confidence: 99%