Ordered Mesoporous Silicas and Carbons with Large Accessible Pores Templated from Amphiphilic Diblock Copolymer Poly(ethylene oxide)-b-polystyrene

Y Deng, T Yu, Y Wan, Y Shi, Y Meng, D Gu… - Journal of the …, 2007 - ACS Publications
Highly ordered mesoporous carbons and silicas with ultralarge accessible pores have been
successfully synthesized by using laboratory-made poly (ethylene oxide)-b-polystyrene …

Control of particle size and surface properties of crystals of NaX zeolite

BZ Zhan, MA White, M Lumsden… - Chemistry of …, 2002 - ACS Publications
We have successfully synthesized NaX zeolite crystals with controlled sizes from 20 nm to
0.8 μm, using a novel organic-additive-free approach. We show that the NaX crystal size …

Five-coordinate silicon in high-silica zeolites

H Koller, A Wölker, LA Villaescusa… - Journal of the …, 1999 - ACS Publications
Pentacoordinated silicon units, SiO4/2F-, were found by solid-state NMR experiments in
various as-made high-silica zeolites (Beta, SSZ-23, ITQ-3, ITQ-4, ZSM-12, Silicalite-1) that …

Structure of the first silicate molecular sieve with 18-ring pore openings, ECR-34

KG Strohmaier, DEW Vaughan - Journal of the American …, 2003 - ACS Publications
The three-dimensional microporosity of zeolite frameworks have allowed their widespread
use in industry as heterogeneous catalysts, absorbents, and ion-exchangers. While the …

Syntheses and structures of organically templated iron phosphates

KH Lii, YF Huang, V Zima, CY Huang, HM Lin… - Chemistry of …, 1998 - ACS Publications
Iron phosphates are of interest because of rich crystal chemistry and practical applications.
New crystalline iron phosphates have been prepared in aqueous or predominantly …

Giant Voids in the Hydrothermally Synthesized Microporous Square Pyramidal− Tetrahedral Framework Vanadium Phosphates [HN (CH2CH2) 3NH] K1. 35 [V5O9 …

MI Khan, LM Meyer, RC Haushalter… - Chemistry of …, 1996 - ACS Publications
The use of a novel mixed-valence pentavanadate phosphate cluster as a building block has
made possible the low-temperature hydrothermal self-assembly of the new three …

Exploration of a simple universal route to the myriad of open-framework metal phosphates

CNR Rao, S Natarajan, S Neeraj - Journal of the American …, 2000 - ACS Publications
The reaction of a single amine phosphate, piperazine phosphate, with ZnII ions is shown to
yield a variety of open-framework metal phosphate structures. It is noteworthy that the …

A 3-D Organically Templated Mixed Valence (Fe2+/Fe3+) Iron Phosphate with Oxide-Centered Fe4O(PO4)4 Cubes:  Hydrothermal Synthesis, Crystal Structure, Magnetic Susceptibility, and Mössbauer Spectroscopy of [H3NCH2CH2NH …

JRD DeBord, WM Reiff, CJ Warren… - Chemistry of …, 1997 - ACS Publications
A 3-D, open framework, mixed valence iron phosphate,[H3NCH2CH2NH3] 2 [Fe4O (PO4)
4]⊙ H2O, which contains organic ethylenediammonium dications in the framework voids …

Open-framework and microporous vanadium silicates

X Wang, L Liu, AJ Jacobson - Journal of the American Chemical …, 2002 - ACS Publications
A series of novel vanadium silicates with open-framework and microporous structures has
been synthesized under mild hydrothermal conditions. Ten distinct framework types have …

Novel inorganic frameworks constructed from double-four-ring (D4R) units: Computational design, structures, and lattice energies of silicate, aluminophosphate, and …

C Mellot-Draznieks, S Girard… - Journal of the American …, 2002 - ACS Publications
The design of new and interesting inorganic frameworks is an ongoing challenge in
materials sciences. New structures containing double-four-ring (D4R) units have recently …