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Javier Conde
IMDEA Nanociencia, Calle Faraday 9, Ciudad Universitaria de Cantoblanco, E-28049 Madrid, Spain

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Review
Published: 11 February 2021 in Molecules
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Organic semiconductor micro/nanocrystals (OSMCs) have attracted great attention due to their numerous advantages such us free grain boundaries, minimal defects and traps, molecular diversity, low cost, flexibility and solution processability. Due to all these characteristics, they are strong candidates for the next generation of electronic and optoelectronic devices. In this review, we present a comprehensive overview of these OSMCs, discussing molecular packing, the methods to control crystallization and their applications to the area of organic solid-state lasers. Special emphasis is given to OSMC lasers which self-assemble into geometrically defined optical resonators owing to their attractive prospects for tuning/control of light emission properties through geometrical resonator design. The most recent developments together with novel strategies for light emission tuning and effective light extraction are presented.

ACS Style

Javier Álvarez-Conde; Eva García-Frutos; Juan Cabanillas-Gonzalez. Organic Semiconductor Micro/Nanocrystals for Laser Applications. Molecules 2021, 26, 958 .

AMA Style

Javier Álvarez-Conde, Eva García-Frutos, Juan Cabanillas-Gonzalez. Organic Semiconductor Micro/Nanocrystals for Laser Applications. Molecules. 2021; 26 (4):958.

Chicago/Turabian Style

Javier Álvarez-Conde; Eva García-Frutos; Juan Cabanillas-Gonzalez. 2021. "Organic Semiconductor Micro/Nanocrystals for Laser Applications." Molecules 26, no. 4: 958.

Journal article
Published: 22 April 2019 in Separation and Purification Technology
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Carboxylic compounds in crude oils are responsible of the acidity of the crudes and lead to high corrosion rates. The total acid number (TAN) quantifies acidity of crude oil and values higher than 0.5 define the crude oil as acid. Among the methods used to reduce the TAN of crude oils, those involving ionic liquids (IL) are recently increasing. Most of involved ionic liquids are basic compounds that neutralize the naphthenic acid. In this work the ionic liquid [EMIM][EtSO4] acting as extraction solvent was investigated to reduce the TAN value of a synthetic mixture. Obtained reductions were up to 25% within the covered experimental conditions. Extraction temperature improves TAN reduction but only within a short temperature range, with the best results obtained around 50°C. Investigation covers ionic liquid to crude oil ratios ranging 0.1-1 g/g and the highest ratios lead to the highest TAN reductions. UNIFAC, COSMO-RS and COSMO-SAC models allows describing liquid-liquid equilibria for such multicomponent systems. UNIFAC model required the fitting of interaction parameters for the pair IL-COOH and lead to accurate descriptions for the phase fractions and TAN values of both phases. COSMO models described an overestimation of the TAN reduction for the organic phase and a higher acid content in the IL phase. However, COSMO models shown being quite dependent on the way to obtain the σ-profile, and accuracy of the calculated values clearly improved when cation and anion were computed together allowing the shielding of the basic areas in the anion. Consequently, predictions carried out with such models for these complex mixtures should be considered with precaution.

ACS Style

Baudilio Coto; Inmaculada Suárez; Marina Chirita; Javier Conde; Raul Giménez; Naiara Rodriguez; Nieves Alvarez; Jose Luis Peña. Oil acidity reduction by extraction with [EMIM][EtSO4]: Experimental and model description. Separation and Purification Technology 2019, 223, 234 -242.

AMA Style

Baudilio Coto, Inmaculada Suárez, Marina Chirita, Javier Conde, Raul Giménez, Naiara Rodriguez, Nieves Alvarez, Jose Luis Peña. Oil acidity reduction by extraction with [EMIM][EtSO4]: Experimental and model description. Separation and Purification Technology. 2019; 223 ():234-242.

Chicago/Turabian Style

Baudilio Coto; Inmaculada Suárez; Marina Chirita; Javier Conde; Raul Giménez; Naiara Rodriguez; Nieves Alvarez; Jose Luis Peña. 2019. "Oil acidity reduction by extraction with [EMIM][EtSO4]: Experimental and model description." Separation and Purification Technology 223, no. : 234-242.