Results 21 to 30 of about 4,122 (192)

¿Microescala o reducción de escala? Perspectivas en Química Inorgánica

open access: yesEducación Química, 2018
Éste es un breve resumen de la presentación dada en el Quinto Congreso de Química de América del Norte, celebrado en Cancún, Quintana Roo, México, en noviembre 1997. Se presentan varias alternativas posibles para la reducción de escala en experimentos de
David E. Berry
doaj   +1 more source

SOLID STATE MORPHOLOGY AND SIZE TUNING OF NANOSTRUCTURED PLATINUM USING MACROMOLECULAR COMPLEXES [PDF]

open access: yes, 2015
Indexación: Web of Science; Scielo.The macromolecular complexes Chitosan●(PtCl2)n and PSP-co-4-PVP●(PtCl2)n, were prepared from the respective polymer and PtCl2 in metal:polymer molar ratios 1:1 and 1:5. Pyrolisis of the macromolecular complexes Chitosan●
BAEZ, RODRIGO   +3 more
core   +2 more sources

A Cu‐Based Near‐IR Active MOF with an Ion‐Pair Guest Exhibiting Versatile and Selective Gas‐Solid Reactivity

open access: yesAdvanced Materials, EarlyView.
The new Cu‐containing MOF (Me2NH2)(CuICl2)@[Cu4(INA)4Cl2O]·1.5dmf (3) contains a cation and an anion as guests and shows UV‐near‐mid‐IR absorption and near‐IR emission. MOF 3 shows gas‐solid reactivity in the presence of NH3 and HCOOH to yield two new 3D MOF.
Rajat Saha   +10 more
wiley   +1 more source

Software educativo en la supervisión de la Química Inorgánica II

open access: yesEducación Química
Se dice que la Química es una ciencia abstracta, y para demostrar sus conceptos es necesario usar esquemas y representaciones, y todavía es considerada difícil de entender por muchos estudiantes.
Antônio Rony da Silva Pereira Rodrigues
doaj   +1 more source

COFs on MOFs: Layer‐by‐Layer Synthesis of MOF@COF Nanoparticles with Synergistic Adsorption

open access: yesAdvanced Materials, EarlyView.
A layer‐by‐layer strategy enables the growth of crystalline covalent organic framework (COF) shells on metal–organic framework nanoparticles, creating core–shell structures with tunable porosity. Ordered interstitial mesopores are formed during shell growth, which are connected with the COF's intrinsic micropores, thereby enhancing water sorption. This
Ana Guillem‐Navajas   +11 more
wiley   +1 more source

Química inorgánica ¿Teoría o realidad?

open access: yesEducación Química, 2018
En las últimas décadas, los libros de química inorgánica han aumentado de manera muy sustancial la cantidad de sus páginas, debido principalmente a la necesidad de cubrir temas como estructura...
Laura Gasque Silva
doaj   +1 more source

High Charge Carrier Mobility in Non‐Conjugated 3D Covalent Organic Frameworks

open access: yesAdvanced Materials, EarlyView.
A non‐conjugated 3D COF constructed via boronate ester linkages from tetraphenylene and pyrene‐based monomers is reported, which exhibits a high charge carrier mobility of 14 ± 1 cm2 V−1 s−1. ABSTRACT π‐Conjugation, π–π stacking, and long‐range order play a central role in determining charge transport efficiency in organic materials.
Joaquín Almarza   +11 more
wiley   +1 more source

Cyclodextrin‐Functionalized Light‐Driven Cu2O Micromotors for Simultaneous Capture and Degradation of Bisphenol A

open access: yesAdvanced Robotics Research, EarlyView.
Fuel‐free Cu2O‐based micromotors functionalized with β‐cyclodextrin actively remove bisphenol A from water under visible light. The cyclodextrin shell captures BPA and enhances micromotor motility, leading to faster degradation and higher overall removal than nonfunctionalized Cu2O and Cu2O@Au.
Luisa Natalia Cordoba Urresti   +3 more
wiley   +1 more source

Implantación de las TIC en la materia Química Inorgánica

open access: yesEnseñanza de las Ciencias, 2013
A lo largo de los años hemos observado el desinterés de los estudiantes en las en la materia de Química Inorgánica, perteneciente al curso de Ingeniería Química, la poca autonomía para estudiar y como consecuencia un bajo rendimiento. Buscando contribuir
Ana Cristina Barreto Leite   +1 more
doaj   +3 more sources

On the use of diatomite as antishrinkage additive in the preparation of monolithic carbon aerogels [PDF]

open access: yes, 2015
We have synthesized flexible monolithic carbon aerogels by incorporating diatomite as antishrinkage agent during the sol-gel polycondensation of the precursors.
García, T.E.   +6 more
core   +1 more source

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