Structure-directing study of 1-methylimidazolium-based dication with tetramethylene as spacer length in the synthesis of microporous silicoaluminophosphates dagger

Authors: Tavares, TK; Almeida, G; Variani, YM; Bernardo-Gusmao, K; Vinaches, P; Alcantara, ACS; Paiva, AEM; Gomez-Hortiguela, L; Rojas, A

Article; Early Access.
New J. Chem.. vol: . page: 1144-0546.
Date: . .
Doi: 10.1039/d0nj06163h.

Abstract:
In this work we study the structure-directing effect of 1-methylimidazolium-based dications that have four methylene units as the spacer length (4BI), as Organic Structure-Directing Agent (OSDA) in [read more]

2021-04-29T17:59:34+02:00Categories: Publications 2021|Tags: , |

Hyperspectral Imaging and Optical Trapping: Complementary Tools for Assessing Direction-Dependent Polarized Emission from Single Upconverting LiYF4:Yb3+/Er3+ Microparticles

Authors: Panov, N; Lu, DS; Ortiz-Rivero, E; Rodrigues, EM; Haro-Gonzalez, P; Jaque, D; Hemmer, E

Article; Early Access.
Adv. Opt. Mater.. vol: . page: 2195-1071.
Date: . .
Doi: 10.1002/adom.202100101.

Abstract:
Single-particle fluorescent probes with the capacity to infer specific intracellular conditions, for instance, have great application potential in the realm of biomedicine. Imaging techniques that improve our understanding of the fluorescence [read more]

Vapor phase acylation of guaiacol with acetic acid over micro, nano and hierarchical MFI and BEA zeolites

Authors: Gutierrez-Rubio, S; Shamzhy, M; Cejka, J; Serrano, DP; Moreno, I; Coronado, JM

Article.
Appl. Catal. B-Environ.. vol: 285. page: 0926-3373.
Date: may-15. 2021.
Doi: 10.1016/j.apcatb.2020.119826.

Abstract:
Vapor phase acylation of guaiacol with acetic acid was explored over a series of micro, nanocrystalline, and hierarchical MFI and BEA zeolites with different acidic and textural properties using a continuous flow reactor. The main [read more]

Study of the evolution of FeNxCy and Fe3C species in Fe/N/C catalysts during the oxygen reduction reaction in acid and alkaline electrolyte

Authors: Garcia, A; Pascual, L; Ferrer, P; Gianolio, D; Held, G; Grinter, DC; Pena, MGA; Retuerto, M; Rojas, S

Article.
J. Power Sources. vol: 490. page: 0378-7753.
Date: APR 1. 2021.
Doi: 10.1016/j.jpowsour.2021.229487.

Abstract:
The nature and evolution of FeNxCy moieties in Fe/C/N catalysts has been studied by analysing Fe and N environments. TEM and Fe-XAS reveal the presence of FeNx moieties [read more]

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