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HIGH SURFACE AREA CARBON OPALS AND INVERSE OPALS OBTAINED THEREFROM
Carbon opals, a form of colloidal crystal, are composed of ordered two-dimensional or three-dimensional arrays of Monodispersed Starburst Carbon Spheres (MSCS). Methods for producing such carbon opals include oxidizing as-synthesized MSCS, for example by heating in air, to increase surface charge. Such oxidation is believed to decrease settling rates of a colloidal suspension, enabling formation of an ordered colloidal crystal. Inverse opals, composed of any of a wide variety of materials, and based on a carbon opal template, have a reciprocal structure to a carbon opal. Inverse opals are formed by methods including: forming a carbon opal as described, impregnating a desired material into pores in the carbon opal to produce a hybrid structure, and removing the carbon portion from the hybrid structure.
HIGH SURFACE AREA CARBON OPALS AND INVERSE OPALS OBTAINED THEREFROM
Carbon opals, a form of colloidal crystal, are composed of ordered two-dimensional or three-dimensional arrays of Monodispersed Starburst Carbon Spheres (MSCS). Methods for producing such carbon opals include oxidizing as-synthesized MSCS, for example by heating in air, to increase surface charge. Such oxidation is believed to decrease settling rates of a colloidal suspension, enabling formation of an ordered colloidal crystal. Inverse opals, composed of any of a wide variety of materials, and based on a carbon opal template, have a reciprocal structure to a carbon opal. Inverse opals are formed by methods including: forming a carbon opal as described, impregnating a desired material into pores in the carbon opal to produce a hybrid structure, and removing the carbon portion from the hybrid structure.
HIGH SURFACE AREA CARBON OPALS AND INVERSE OPALS OBTAINED THEREFROM
YANO KAZUHISA (author) / GOODMAN MATTHEW (author) / BRAUN PAUL VANNEST (author)
2017-09-14
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
/
B01J
Chemische oder physikalische Verfahren, z.B. Katalyse oder Kolloidchemie
,
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
/
B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
,
Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse
/
B82B
Nanostrukturen, gestaltet durch die Manipulation von einzelnen Atomen, Molekülen, oder einer begrenzten Ansammlung von Atomen oder Molekülen als einzelne Einheiten
,
NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS
/
B82Y
Bestimmter Gebrauch oder bestimmte Anwendung von Nanostrukturen
,
SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
/
C23C
Beschichten metallischer Werkstoffe
,
COATING METALLIC MATERIAL
High surface area carbon opals and inverse opals obtained therefrom
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