Article
Crystallography
Freddy Liendo, Mara Arduino, Fabio A. Deorsola, Samir Bensaid
Summary: This study aims to investigate the impact of different monovalent ions on the nucleation and growth rates of CaCO3 precipitation. Results show that the use of Na2CO3 led to faster nucleation kinetics, while (NH4)2CO3 stabilized vaterite and hindered its transformation. The growth rate was found to be influenced by crystal size and magma density, with the ion effect likely related to the ionic radius of the foreign ion.
JOURNAL OF CRYSTAL GROWTH
(2022)
Article
Chemistry, Multidisciplinary
Zhaofang Cheng, Shaodan He, Xiaona Han, Min Wang, Shimin Zhang, Shiru Liu, Gongying Liang, Shengli Zhang, Minggang Xia
Summary: Interfaces play a crucial role in controlling the nucleation and growth of large NbS2 single crystals through vapor-liquid-solid method, with the vapor-liquid interface reducing nucleation density and the liquid-solid interface increasing growth rate.
Article
Chemistry, Physical
Ioan Petrovai, Otto Todor-Boer, Leontin David, Ioan Botiz
Summary: In this study, the researchers found that the nucleation and growth of perovskite crystals can be controlled by manipulating the evaporation rate of solvents. Temperature control was used to regulate the rate of solvent evaporation, leading to variations in the growth rate and shape of perovskite crystals. Diluted perovskite solutions were utilized to control nucleation and promote the growth of a limited number of crystals, which exhibited sixfold symmetry. Crystals formed at lower temperatures (40-60 degrees C) displayed a more compact dendritic morphology, while those grown at higher temperatures (80-110 degrees C) exhibited a fractal dendritic shape.
Article
Chemistry, Inorganic & Nuclear
Shuo Chen, Yu Zhang, Qingyuan Chen, Chunchun Zhang, Meng Zhang, Kui Yu
Summary: This study presents a pathway for the formation of semiconductor magic-size clusters (MSCs) in aqueous solutions and provides an in-depth understanding of their formation mechanism.
INORGANIC CHEMISTRY
(2023)
Article
Crystallography
Aurelie Galfre, Xiaoqian Huang, Francoise Couenne, Claudia Cogne
Summary: This paper describes the phase-field method and its application in modeling ice crystal growth in the freezing or freeze-drying process of Chemical Engineering. Two main partial differential equations, the Allen Cahn equation and the energy balance equation, are developed to describe the evolution of the phase field and the thermodynamic consistency of the system. Various constitutive equations are used to model the specific properties of ice and water. The simulations are performed in a 2D domain using Euler discretization, and the main parameters for the simulation are discussed in terms of physical properties such as interfacial tension and equilibrium stability conditions. The potential of the phase field method in Chemical Engineering is also discussed.
JOURNAL OF CRYSTAL GROWTH
(2023)
Article
Chemistry, Multidisciplinary
Yusron Darojat, Abdulaziz Aljalal, Khaled Gasmi, Isam H. Aljundi, Nasrin Mirsaleh-Kohan, Watheq Al-Basheer
Summary: In this study, a newly developed setup combining laser-induced shockwave crystallization and electric conductivity monitoring was used to investigate crystal growth in supersaturated and undersaturated solutions of potassium nitrate (KNO3). The results showed that crystals produced by shockwave propagation had the sharpest size distribution and the smallest size compared to crystals grown spontaneously or induced by lasers.
Article
Chemistry, Multidisciplinary
K. Vasanth Kumar, Kiran A. Ramisetty, K. Renuka Devi, Gamidi Rama Krishna, Claire Heffernan, Andrew A. Stewart, Jian Guo, Srinivas Gadipelli, Dan J. L. Brett, Evangelos P. Favvas, Ake C. Rasmuson
Summary: Crystallization experiments on highly supercooled solutions produced highly pure and crystalline mesocrystals of curcumin, exhibiting a crystallographic hierarchy. The formation of spherulites is attributed to the high degree of supercooling and particle-mediated crystallization is proposed as an efficient method for organic compound purification.
Article
Engineering, Environmental
Ning Deng, Xiaobing Zuo, Andrew G. Stack, Sang Soo Lee, Zehao Zhou, Juliane Weber, Yandi Hu
Summary: The coprecipitation of selenium with barite is influenced by ion-mineral interactions, solubility, and interfacial energy. In homogeneous precipitation, about 10% of sulfate ions are replaced by selenium oxyanions due to adsorption-induced entrapment. In heterogeneous precipitation, organic films enhance the sequestration of selenium oxyanions, while only small amounts of selenium oxyanions are detected.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Review
Chemistry, Multidisciplinary
Hui Ming, Ming-Fu Zhu, Lu Li, Qing-Bin Liu, Wen-Hua Yu, Zi-Qing Wu, Yong-Ming Liu
Summary: The demand for proteins with high purity, high activity, and high stability is increasing, especially in the biopharmaceutical industry. Traditional industrial protein production technologies are expensive and harmful to the environment, while solvent freeze-out (SFO) technology offers a more cost-effective and environmentally friendly alternative with the ability to produce more stable and active proteins at lower temperatures. By controlling nucleation and crystal growth processes under different supersaturation levels, SFO technology shows promise for industrial applications.
Article
Chemistry, Multidisciplinary
Jie Liu, Sylvain Kabbadj, Guangfeng Liu, Lygia S. de Moraes, Gabin Gbabode, Guillaume Schweicher, Roland Resel, Yves Geerts
Summary: Polymorphism is a phenomenon in which a substance can crystallize in multiple crystal forms. Organic compounds are particularly prone to polymorphism due to the similarities in molecular conformation or packing arrangement. The reproducible obtaining of specific polymorphs remains a scientific challenge due to the sensitivity of polymorphism to experimental conditions. In this study, the directional crystallization under defined dissipative thermodynamic conditions was applied to control the selective growth of 5-Methyl-2-[(2-nitrophenyl) amino]-3-thiophenecarbonitrile (ROY) polymorphs. It was demonstrated that one of the thirteen polymorphs (OP) can be reliably obtained. The selectivity of this process is discussed in the context of nonequilibrium thermodynamics.
CRYSTAL GROWTH & DESIGN
(2023)
Article
Chemistry, Multidisciplinary
Fenghua Chen, Chenmei Yang, Xinyu Cheng, Yingjie Fan, Xinyuan Chen, Shizhao Ren, Rongrong Xue
Summary: Mid-frequency Raman difference spectra (MFRDS) analysis was used to investigate the similarity between the solid phases and solution phases of inosine (IR). The results indicated that the selective crystallization from solutions is related to the similarity of their short-range structures. Additionally, the appearance of an intermediate phase in the solution was found to promote the formation of specific solid phases. MFRDS is a robust tool for explaining and predicting the precipitation products of small organic molecules from solutions.
Review
Chemistry, Multidisciplinary
Denis Gebauer, Julian D. Gale, Helmut Coelfen
Summary: This review article highlights selected, latest theoretical and experimental advancements in the field of nucleation and crystal growth of inorganic materials from aqueous solution, with a focus on literature after 2015 and non-classical pathways. It emphasizes the underappreciated role of water and solvent entropy throughout the crystallization process. The potential of these approaches in different systems and the broader implications of re-assessing crystallization pathways are discussed, along with summarizing various techniques suitable for exploring crystallization pathways in aqueous solution and proposing a flow chart for theory selection based on experimental observations.
Review
Chemistry, Multidisciplinary
Shijie Xu, Di Cao, Yixuan Liu, Yanfei Wang
Summary: This article discusses the nucleation mechanism and the effects of additives on nucleation in different situations. By reviewing the development of nucleation theory and studying the role of additives in nucleation, it summarizes the roles of various additives in crystallization in solution.
CRYSTAL GROWTH & DESIGN
(2021)
Article
Polymer Science
Alessandra Longo, Ernesto Di Maio, Fanfan Du, Rene Androsch, Maria Laura Di Lorenzo
Summary: This study compared the cold crystallization of poly(l-lactic acid) (PLLA) containing α-mesophase with fully amorphous PLLA by mild CO2 treatment. CO2-induced mesophase developed in surface-near regions of the PLLA disks, while the core remained amorphous. Cold-crystallization of CO2-treated PLLA resulted in the formation of conformationally disordered α'-crystals.
Article
Chemistry, Multidisciplinary
Yaxu Zhong, Vincent R. Allen, Jun Chen, Yi Wang, Xingchen Ye
Summary: Using in situ electron microscopy, the researchers observed the self-assembly pathway of nanoparticles into ordered superlattices. The study provides insights into the crystallization process and the interactions between nanoparticles.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Thermodynamics
Jin Yan, Yi-Yu Lu, Dong-Liang Zhong, Zhen-Lin Zou, Jian-Bo Li
Article
Energy & Fuels
Zheng Li, Christine C. Holzammer, Andreas S. Braeuer
Article
Thermodynamics
Yi-Yu Lu, Bin-Bin Ge, Dong-Liang Zhong
Article
Energy & Fuels
Jian-Bo Li, Dong-Liang Zhong, Jin Yan
JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING
(2020)
Review
Energy & Fuels
Xi-Yue Li, Bin-Bin Ge, Jin Yan, Yi-Yu Lu, Dong-Liang Zhong, Peter Englezos, Bao-Yong Zhang
Summary: The consumption of natural gas is vital for optimizing China's energy structure towards reduced CO2 emissions. Coalbed methane is recognized as a significant energy resource to supplement conventional fossil fuels. The hydrate-based gas separation technology has shown promise for purifying low-concentration coalbed methane, but challenges remain in achieving milder pressure conditions and enhancing hydrate formation rates. Further research is needed to bridge the gap between gas separation science and technology.
Article
Energy & Fuels
Xiao-Yan Deng, Ying Yang, Dong-Liang Zhong, Xi-Yue Li, Bin-Bin Ge, Jin Yan
Summary: This study investigates the morphology and kinetics of CO2 hydrate formation in the presence of sodium dodecyl sulfate (SDS). It was found that the growth of CO2 hydrate above the gas-liquid interface became stronger with higher SDS concentration, indicating an enhanced promoting effect of SDS on CO2 hydrate formation. The highest efficiency for CO2 hydrate formation was achieved at 1500 and 3000 ppm of SDS, showing potential for improving hydrate-based CO2 capture technology in the future.
Article
Thermodynamics
Feng-Mei Xie, Xi-Yue Li, Dong-Liang Zhong, Peter Englezos, Guo-Xiang Lu
Summary: This study demonstrates the phase behavior of TBPB and CO2 hydrates at different concentrations, with the addition of surfactant affecting phase equilibrium and CO2 consumption during formation. Further research should focus on increasing the CO2 storage capacity of TBPB semiclathrate hydrate.
JOURNAL OF CHEMICAL AND ENGINEERING DATA
(2021)
Article
Engineering, Chemical
Wen-Xin Dai, Xi-Yue Li, Dong-Liang Zhong, Jin Yan, Kai Dong, Xiao-Yan Deng
Summary: This study investigates the use of a fixed bed of activated carbons to capture CO2 at hydrate formation conditions. The results show that an adsorption-hydration hybrid process in wet activated carbons outperforms single adsorption process in dry activated carbons for CO2 capture. The optimal water saturation value for gas consumption is found to be 40%.
CANADIAN JOURNAL OF CHEMICAL ENGINEERING
(2023)
Article
Energy & Fuels
Liang-Meng Wu, Xi-Yue Li, Feng-Mei Xie, Dong-Liang Zhong, Peter Englezos, Jin Yan
Summary: This study presents a review of kinetic studies on the enhancement of hydrate-based CO2 capture using additives, porous media, nanofluids, etc. Future research directions are also discussed. The aim of this review is to aid understanding of the mechanism of the hydrate-based CO2 capture process and provide references for its industrial applications in the near future.
Article
Engineering, Chemical
Bin-Bin Ge, Jin Yan, Dong-Liang Zhong, Yi-Yu Lu, Xi-Yue Li
Summary: CO2 capture was experimentally investigated by forming TBAB semiclathrate in a new system of TBAB + graphite nanofluids. The system of TBAB + graphite nanofluids showed preference for CO2 capture compared to TBAB solution and TBAB + SDS solution. The optimal concentration of 0.2 wt.% graphite nanoparticles was found to enhance hydrate growth in TBAB + graphite nanofluids.
CANADIAN JOURNAL OF CHEMICAL ENGINEERING
(2023)
Article
Energy & Fuels
Kai Dong, Wen-Xin Dai, Dong-Liang Zhong, Jin Yan, Feng-Mei Xie, Han-Sen Sun, Man Wang
Summary: This study investigates the effects of the surfactant cocamidopropyl betaine (CAB) on coal structures and CH4 adsorption characteristics. The results show that the hydrophilicity of coal samples is enhanced after being treated with CAB solutions, increasing the number of hydroxyl functional groups and reducing the amount of adsorbed CH4. Additionally, the pore volume of coal samples increases and the CBM migration rate improves. A concentration of 0.008 mol/L CAB is determined to be the optimal concentration for increasing CBM extraction efficiency.
Article
Engineering, Chemical
Xi-Yue Li, Jin Yan, Dong-Liang Zhong, Shi-Jian Lu, Bin-Bin Ge
Summary: This study investigated the formation of tetra-n-butyl ammonium bromide (TBAB) semiclathrate hydrate for CO2 capture through experiments and in situ Raman spectroscopy. The impacts of TBAB concentration and operating temperature on CO2 incorporation into TBAB semiclathrates were analyzed. The results showed that the structure transition of TBAB semiclathrates from type A to type B occurred in the presence of CO2, resulting in increased CO2 consumption. The TBAB semiclathrate formed at 2.57 mol % TBAB and 282.15 K was found to be a suitable system for CO2 capture.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2023)
Article
Energy & Fuels
Bin-Bin Ge, Dong-Liang Zhong, Yi-Yu Lu, Xi-Yue Li
Summary: The effect of THF concentration on the formation of THF-CH4 hydrate was investigated. It was found that THF concentration is a key factor affecting the growth of hydrates, and increasing THF concentration improves mass transfer. In situ Raman spectroscopy observation showed that CH4 and THF molecules occupy the small and large cavities of the sII hydrate, respectively. Forming two types of hydrates at a low concentration can increase gas storage capacity.
Article
Crystallography
Jianzheng Hu, Long Yan, Ning Zhou, Yao Chen, Xiaoni Yang, Lianqiao Yang, Shiping Guo
Summary: The effect and mechanism of carrier gas velocity, V/III ratio, and carrier gas velocity match on the growth rate of AlN were investigated in this study. The results showed that the growth rate of AlN initially increased with hydrogen flow rate, reached saturation, and then decreased monotonically. The turning point value depended on the equipment and process. By increasing the MO VM, the growth rate of AlN could be improved, but the uniformity deteriorated due to turbulence and loss of uniform boundary layer. High quality AlN films were successfully grown on nano-patterned sapphire substrates with improved crystalline quality and atomic smooth surfaces.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
Tingting Ma, Yang Li, Kangning Sun, Qinglin Cheng, Sen Li
Summary: This study investigates the melting process and nucleation behavior of sodium crystals using molecular dynamics simulation. The results show good agreement between simulated and experimental values for the melting temperature, density, and radial distribution function of sodium. The diffusion coefficient of liquid sodium increases linearly with temperature, and the homogeneous nucleation rate of melting in superheated sodium crystal exponentially increases with temperature. The findings provide theoretical support for applications involving heat and mass transfer in sodium-related systems.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
Hisato Nishii, Shintarou Iida, Akira Yamasaki, Takumi Ikenoue, Masao Miyake, Toshiya Doi, Tetsuji Hirato
Summary: Epitaxial V2O3 films were fabricated on sapphire substrates using mist chemical vapor deposition (mist CVD) method, eliminating the need for high vacuum conditions. The films can be grown on sapphire substrates even under atmospheric pressure, with the optimal growth temperature at 823 K. The films grown at 823 K exhibit a metal-insulator transition at approximately 155 K. The film on C-plane sapphire exhibits a lower transition temperature compared to those on R- and A-plane sapphire substrates.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
Jani Jesenovec, Kevin Zawilski, Peter Alison, Stephan J. Meschter, Sambit K. Saha, Andrew J. Sepelak, Peter G. Schunemann
Summary: In this study, NiSb needles were successfully formed in InSb by manipulating the growth rate and adding NiSb. These needle structures in InSb can be used to tune the magnetoresistance of devices. Additionally, undoped InSb crystals demonstrated good infrared transmission at low growth rates.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
D. Joseph Daniel, P. Karuppasamy, H. J. Kim
Summary: The 2-amino 4-methyl pyridinium oxalate (2A4MPO) compound was synthesized and its crystal structure, functional groups, thermal stability, electrical properties, and third-order nonlinear optical properties were studied. The results demonstrate that the synthesized crystal has good structural integrity, thermal stability, and potential for third-order nonlinear optical applications.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
C. W. Lan
Summary: The past two decades have witnessed a significant transformation in solar silicon crystal growth, especially in the competition between multi-crystalline silicon (Multi-Si) and mono-crystalline silicon (Mono-Si). The demand for this crucial material has exponentially surged, with silicon solar panels capturing over 95% of the global PV market share. The advancements in crystal growth technology during this period have set historical benchmarks, with the market share shifting from high-performance multi-crystalline silicon (HPM-Si) to CZ silicon.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
Peiyao Hao, Lili Zheng, Hui Zhang
Summary: A novel design of argon gas tube for removing impurities during silicon ingot growth was developed, and numerical simulations showed that it can effectively extract SiO.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
Geetika Sahu, Chanchal Chakraborty, Subhadeep Roy, Souri Banerjee
Summary: This article discusses the novel fractal nature of hydrothermally synthesized MoS2 QDs. By adjusting the reaction time, the study found that the average size of QDs increases and then decreases with longer reaction times. STEM images indicate that shorter reaction times lead to sheet formation, while extended reaction times cause sheets to fragment into QDs.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
Pengjian Lu, Wei Huang, Junjun Wang, Haitao Yang, Shiyue Guo, Bin Li, Ting Wang, Chitengfei Zhang, Rong Tu, Song Zhang
Summary: A systematic study on the tetramethylsilane-hydorgen (TMS-H-2) system for the deposition of pure single-crystal SiC by high-temperature chemical vapor deposition (HTCVD) method is conducted. The study investigates the effect of temperature, pressure, and H-2:TMS ratio on the deposition conditions and provides a theoretical basis and guidance for improving the quality and cost of industrial production of single-crystal SiC.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
Xinyu Jiang, Liangliang Liu, Yanqing Liu, Yan Wang, Zhaoping Hou
Summary: Investigation on the preparation of anisometric templated textured high entropy or multi-element doped ferroelectric ceramics was conducted using A-site disordered niobate microcrystals. The effects of process parameters on the morphology and chemical composition were studied, and the photocatalytic properties of the microcrystals were evaluated.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
Mobashsara Tabassum, Md. Ashraful Alam, Sabrina Mostofa, Raton Kumar Bishwas, Debasish Sarkar, Shirin Akter Jahan
Summary: In this study, high crystallinity copper nanoparticles were synthesized by altering the reaction medium at low temperatures. The results show that changing the reaction medium can reduce the surface energy of precursors and promote the formation of highly crystalline copper nanoparticles.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
Ivan Bodnar, Vitaly V. Khoroshko, Veronika A. Yashchuk, Valery F. Gremenok, Mohsin Kazi, Mayeen U. Khandaker, Tatiana I. Zubar, Daria I. Tishkevich, Alex Trukhanov, Sergei Trukhanov
Summary: This work presents the production of single crystals of Cu2ZnGeSe4, a semiconducting quaternary compound, using a gas chemical method with iodine as a transporter. The phase state, crystal structure, and lattice constants of the synthesized samples were refined and determined. The band gap of Cu2ZnGeSe4 was calculated using transmission spectrum and it was found that the band gap increases by 12% with decreasing temperature in the range of 20-300 K.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
Timur Malin, Igor Osinnykh, Vladimir Mansurov, Dmitriy Protasov, Sergey Ponomarev, Denis Milakhin, Konstantin Zhuravlev
Summary: The effect of growth temperature on the buffer leakage currents of GaN-on-Si layers was investigated. It was found that higher growth temperature results in lower leakage currents. The defects in GaN layers grown at different temperatures were studied using photoluminescence technique, and a correlation between leakage currents, structural perfection, and donor concentration in GaN-on-Si layers was established. It was also observed that reduced growth temperature leads to the formation of inversion domains.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
Thi-Hoai-Thu Nguyen, Jyh-Chen Chen
Summary: The effect of heater power control on heat, flow, and oxygen transport for CCz crystal growth was studied. Shorter upper side heater design could improve crystal quality and growth, but with higher power consumption.
JOURNAL OF CRYSTAL GROWTH
(2024)
Article
Crystallography
Peter Rudolph
Summary: This article presents an overview of selected contributions to the development of crystal growth technology by the Laudise Prize awardee 2023. It discusses various aspects such as shaped crystal growth, the correlation between melt structure and crystal quality, control of intrinsic defects and inclusions, prevention of dislocation cell patterns, and melt growth experiments under a travelling magnetic field.
JOURNAL OF CRYSTAL GROWTH
(2024)