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Relevant bibliographies by topics / Antisolvent addition crystallizations

Academic literature on the topic 'Antisolvent addition crystallizations'

Author: Grafiati

Published: 10 December 2022

Last updated: 28 January 2023

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Journal articles on the topic "Antisolvent addition crystallizations"

1

Bouich, Amal, Julia Marí-Guaita, Bernabé Marí Soucase, and Pablo Palacios. "Manufacture of High-Efficiency and Stable Lead-Free Solar Cells through Antisolvent Quenching Engineering." Nanomaterials 12, no. 17 (August 23, 2022): 2901. http://dx.doi.org/10.3390/nano12172901.

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Antisolvent quenching has shown to significantly enhance several perovskite films used in solar cells; however, no studies have been conducted on its impact on MASnI3. Here, we investigated the role that different antisolvents, i.e., diethyl ether, toluene, and chlorobenzene, have on the growth of MASnI3 films. The crystallinity, morphology, topography, and optical properties of the obtained thin films were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), photoluminescence (PL) measurements, and UV–visible spectroscopy. The impact of the different antisolvent treatments was evaluated based on the surface homogeneity as well as the structure of the MASnI3 thin films. In addition, thermal annealing was optimized to control the crystallization process. The applied antisolvent was modified to better manage the supersaturation process. The obtained results support the use of chlorobenzene and toluene to reduce pinholes and increase the grain size. Toluene was found to further improve the morphology and stability of thin films, as it showed less degradation after four weeks under dark with 60% humidity. Furthermore, we performed a simulation using SCAPS-1D software to observe the effect of these antisolvents on the performance of MASnI3-based solar cells. We also produced the device FTO/TiO2/MASnI3/Spiro-OMeTAD/Au, obtaining a remarkable photoconversion efficiency (PCE) improvement of 5.11% when using the MASnI3 device treated with chlorobenzene. A PCE improvement of 9.44% was obtained for the MASnI3 device treated with toluene, which also showed better stability. Our results support antisolvent quenching as a reproducible method to improve perovskite devices under ambient conditions.

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2

Ward, Martin R., and Iain D. H. Oswald. "Antisolvent addition at extreme conditions." CrystEngComm 21, no. 30 (2019): 4437–43. http://dx.doi.org/10.1039/c9ce00365g.

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3

Falcon, Javier A., and Kris A. Berglund. "Monitoring of Antisolvent Addition Crystallization with Raman Spectroscopy." Crystal Growth & Design 3, no. 6 (November 2003): 947–52. http://dx.doi.org/10.1021/cg0340446.

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4

Nonoyama, Nobuaki, Keigo Hanaki, and Yasuaki Yabuki. "Constant Supersaturation Control of Antisolvent-Addition Batch Crystallization." Organic Process Research & Development 10, no. 4 (July 2006): 727–32. http://dx.doi.org/10.1021/op0600052.

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5

Deviana Christianty, Sola Fide Gavra, and Zuhrina Masyithah. "KRISTALISASI LIKOPEN DARI BUAH TOMAT (Lycopersicon esculentum) MENGGUNAKAN ANTISOLVENT." Jurnal Teknik Kimia USU 4, no. 4 (December 24, 2015): 39–45. http://dx.doi.org/10.32734/jtk.v4i4.1512.

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Studies on the utilization of lycopene had been conducted to determine the effect of comparison feed and solvent (F/S) and the addition of methanol for extraction of lycopene from tomatoes using mixture solvent of hexane:ethyl acetate (1:1) followed by crystallization antisolvent. In this research, ripe tomatoes juice was used with volume 150 ml. Lycopene extract was obtained through extraction method at temperature of 70 °C and the stirring speed 7 rpm. The other method was by the addition of methanol as antisolvent for crystallization. As for changing variable in this study were a comparison of feed and solvent (F/S) 1:2; 1:2.5; 1:3; 1:3.5; 1:4 and 1:4,5, and the volume of methanol as antisolvent were 50 ml, 100 ml, 150 ml and 200 ml. The results of this research about influence of feed and solvent to lycopene yield extracted obtained at the optimum condition 1:4 with a volume of 200 ml antisolvent. Whereas the influence about addition of methanol as antisolvent as an agent of precipitation and maximum condition occurs on volume of 200 ml. Wavelength analysis of C=C linkage with Fourier Transform Infrared (FT-IR) detected at wavenumber 1519,91 cm-1, CH2 linkage detected at wavenumber 1446,61 cm-1, R-CH=CH-R linkage detected at wavenumber 979,84 cm-1. While, C-C and C-CH linkage detected at wavenumber 1138 and 1373,32 cm-1.

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6

Sibanda, Jonathan, Jemitias Chivavava, and Alison Emslie Lewis. "Crystal Engineering in Antisolvent Crystallization of Rare Earth Elements (REEs)." Minerals 12, no. 12 (December 1, 2022): 1554. http://dx.doi.org/10.3390/min12121554.

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Antisolvent crystallization is a separation technology that separates the solute from the solvent by the addition of another solvent, in which the solute is sparingly soluble. High yields are achieved by using higher antisolvent-to-aqueous ratios, but this generates higher supersaturation, which causes excessive nucleation. This results in the production of smaller particles, which are difficult to handle in downstream processes. In this work, the effect of varying the organic (antisolvent)-to-aqueous (O/A) ratio and seed loading on the yield, particle size distribution, and morphology of neodymium sulphate product, during its recovery from an aqueous leach solution using antisolvent crystallization, was investigated. A batch crystallizer was used for the experiments, while ethanol was used as an antisolvent. Neodymium sulphate octahydrate [Nd2(SO4)3.8H2O] seeds were used to investigate the effect of seed loading. It was found that particle sizes increased as the O/A ratio increased. This was attributed to the agglomeration of smaller particles that formed at high supersaturation. An O/A ratio of 1.4 resulted in higher yields and particles with a plate-like morphology. The increase in yield was attributed to the increased interaction of ethanol molecules with the solvent, which reduced the solubility of neodymium sulphate. Increasing the seed loading resulted in smaller particle sizes with narrow particle size distribution and improved filtration performance. This was attributed to the promotion of crystal growth and suppression of agglomeration in the presence of seeds.

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7

Zhang, Yu, Dongdong Feng, Jianmin Gao, Qian Du, and Shaohua Wu. "Thermodynamic properties in ternary system of NH4HCO3–H2O–ethanol based on antisolvent method to strengthen crystallization of carbonized ammonia." Adsorption Science & Technology 37, no. 1-2 (December 14, 2018): 127–38. http://dx.doi.org/10.1177/0263617418817602.

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One of the main challenges of the ammonia-based CO2 capture process is how to further reduce the regeneration energy consumption. An antisolvent crystallization method was proposed to strengthen the crystallization process of carbonized ammonia, and heating the crystal products instead of rich solution can greatly reduce renewable energy consumption. The main component of the crystal product was NH4HCO3 analyzed by X-ray diffraction. Therefore, it is very important to study the thermodynamic properties of ammonium bicarbonate in the ternary system of NH3–H2O–ethanol. In this paper, the solubility curves under different temperature and solvent compositions were determined by static method and the mathematical model of solubility was established. The effects of the addition of ammonium carbamate which was produced in the initial stage of the CO2 absorption process and the addition of ammonia on the solubility in ternary system of NH4HCO3–H2O–ethanol were studied. The dissolution heat was also calculated in the end. The research of this article has a guiding significance for the antisolvent method to strengthen the crystallization of carbonized ammonia of ammonia-based carbon capture technology. It is helpful to further strengthen the crystallization process of low carbonized ammonia and improve the crystallization yield.

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8

Sangwal, Keshra, and Ewa Mielniczek-Brzóska. "Antisolvent crystallization of aqueous ammonium dihydrogen phosphate solutions by addition of methanol." Journal of Crystal Growth 451 (October 2016): 139–49. http://dx.doi.org/10.1016/j.jcrysgro.2016.07.027.

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9

Falcon, Javier A., and Kris A. Berglund. "In Situ Monitoring of Antisolvent Addition Crystallization with Principal Components Analysis of Raman Spectra." Crystal Growth & Design 4, no. 3 (May 2004): 457–63. http://dx.doi.org/10.1021/cg034206y.

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10

Lee, Tu, Kuan Lin Yeh, Jia Xian You, Ya Chi Fan, Yun Sheng Cheng, and Dhanang Edy Pratama. "Reproducible Crystallization of Sodium Dodecyl Sulfate·1/8 Hydrate by Evaporation, Antisolvent Addition, and Cooling." ACS Omega 5, no. 2 (January 6, 2020): 1068–79. http://dx.doi.org/10.1021/acsomega.9b03067.

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Book chapters on the topic "Antisolvent addition crystallizations"

1

Giulietti, Marco, and Andr Bernardo. "Crystallization by Antisolvent Addition and Cooling." In Crystallization - Science and Technology. InTech, 2012. http://dx.doi.org/10.5772/50328.

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