Topic
Phosphotungstic acid
About: Phosphotungstic acid is a research topic. Over the lifetime, 1925 publications have been published within this topic receiving 38059 citations. The topic is also known as: Phosphowolframic acid.
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TL;DR: Using a solution technique, chitosan-based polyelectrolyte complexes (PECs) were developed as pervaporation membranes by incorporating phosphotungstic acid (PTA) as mentioned in this paper.
29 citations
TL;DR: In this paper, the authors used scanning tunneling microscopy (STM) to study phosphotungstic acid and rhenium carbonyl cluster complexes adsorbed on graphite.
Abstract: Scanning tunneling microscopy (STM) has been used to study phosphotungstic acid and rhenium carbonyl cluster complexes adsorbed on graphite. For phosphotungstic acid, cluster formation is observed as well as short‐range (4‐A period) and long‐range (110‐A period) hexagonal ordering. Acetone spun films of [Et4N]3[Re7C(CO)21] on graphite exhibit two distinct nongraphitic periodicities. One of these is rowlike and associated with an adsorbed acetone monolayer (4‐A period), and the other, which is hexagonal (10‐A period), represents an array of individual metal cluster molecules. In a separate effort, STM has been used to study the sliding charge‐density wave (CDW) material NbSe3 in its room‐temperature non‐CDW state in order to obtain structural information which can be correlated with low‐temperature, CDW‐state studies. The unit‐cell features and quasi‐one‐dimensional chainlike structure are readily observed.
29 citations
TL;DR: In this paper, a Si-PWA/PVDF membrane was synthesized by impregnation of silica immobilized phosphotungstic acid particles in porous PVDF film.
29 citations
TL;DR: In this paper, Keggin-type [PW12O40]3− anions were incorporated with various PEG-modified di-imidazolium cations through ionic interaction, giving PW-based ionic catalysts with a Gemini structure.
29 citations
TL;DR: In this article, the catalytic activity of Pt nanoparticles supported by zeolite-type mesoporous Cs 25 H 05 PW 12 O 40 solid super-acid towards oxygen reduction has been explored.
29 citations