Doped Mesoporous Silica Fibers: A New Laser Material

Marlow, Frank; McGehee, Michael D.; Zhao, Dongyuan; Chmelka, Bradley F.; Stucky, Galen D.

doi:10.1002/(sici)1521-4095(199906)11:8<632::aid-adma632>3.3.co;2-h

Cited by 91 publications

(129 citation statements)

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“…Scattering pattern of a vertical mesoporous fiber. The fibers have been synthesized by a slow acid-based synthesis as previously reported [7]. They consist of hexagonally ordered channels filled with surfactant micelles surrounded by silica walls.…”

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Mesostructured Silica Fibers: Ring Structures in Reciprocal Space

et al. 2001

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Mesostructured silica fibers constitute a class of highly ordered solidswhose reciprocal space consists of well‐defined extended ring structures (see Figure). Their X‐ray diffraction spots cannot be described by the Bragg equation: As described here, they exhibit unusual intensity differences between symmetry‐related spots and local minima arising from the circular fiber architecture (see also cover).

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“…We deal in this paper with organic±inorganic hybrid materials [6,7] prepared by the sol-gel technique. Such materials are currently utilized in many different technological fields, ranging from optoelectronics [8] to dental resins.…”

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Mesostructured Silica Fibers: Ring Structures in Reciprocal Space

et al. 2001

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“…There are a number of reports on the use of laser-dye doped materials to generate amplified spontaneous emission (also sometimes called mirrorless lasing, since the feedback is missing). [92] Some of these reports did not only demonstrate amplified spontaneous emission, but also showed that it is possible to integrate lasing systems in more complicated structures, [81,93] e.g., integration by patterning into a structure for a distributed feedback laser. [94] Such structures indeed showed lasing behavior with three or more modes.…”

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confidence: 99%

Microporous and Mesoporous Materials

2002

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Progress reports are a new type of article in Advanced Materials, dealing with the hottest current topics, and providing readers with a critically selected overview of important progress in these fields. It is not intended that the articles be comprehensive, but rather insightful, selective, critical, opinionated, and even visionary. We have approached scientists we believe are at the very forefront of these fields to contribute the articles, which will appear on an annual basis. The article below describes the latest advances in microporous and mesoporous materials.

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“…[5,9,22] Further, these materials can be readily doped with a wide range of components such as organometallic complexes, [23] semiconducting nanocrystals, [24,25] semiconducting polymers, [26,27] and dyes. [5,7,8,28] Such host/ guest nanocomposites combine the high stability of the inorganic host framework with the diversity of guest dopants, leading to versatile properties that are currently being explored to produce novel optical materials.Previously, dye-doped mesostructures have demonstrated their utility as potential laser materials by displaying amplified spontaneous emission (ASE). [5,8] Further, their unique architectures, e.g., organic/inorganic phase separation on the nanometer scale, has allowed for higher active dye doping by suppressing concentration quenching.…”

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“…[5,7,8,28] Such host/ guest nanocomposites combine the high stability of the inorganic host framework with the diversity of guest dopants, leading to versatile properties that are currently being explored to produce novel optical materials.…”

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confidence: 99%