Morphology and Size Distribution of Crystals

Sangwal, K.

doi:10.1002/9780470517833.ch7

Additives and Crystallization Processes 2007

DOI: 10.1002/9780470517833.ch7

|View full text |Cite

Morphology and Size Distribution of Crystals

K. Sangwal

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2012

2021

Publication Types

Select...

Article2

Relationship

Self Cite0

Independent2

Authors

Journals

Cited by 2 publications

References 34 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Two-Stage Hydrothermal Growth of Long ZnO Nanowires for Efficient TiO₂ Nanotube-Based Dye-Sensitized Solar Cells

Gao

2012

J. Phys. Chem. C

View full text Add to dashboard Cite

Vertically aligned TiO 2 1-D nanostructures synthesized directly on transparent conducting oxide (TCO) have shown great promise to overcome the limitation of the random network of TiO 2 nanoparticles currently used in dyesensitized solar cells (DSCs). A promising process for synthesis of such structures is to first grow aligned ZnO nanowire arrays and then convert them to TiO 2 nanotubes. Growth of ZnO nanowires with a sufficient length and density but without fusion of their roots, however, remains challenging. In this paper, we investigate the dependence of wire density and aspect ratio on the temperature, concentrations of reagents, and seeding crystals used in a liquid-phase ZnO nanowire synthesis process. On the basis of the results of the investigation, we introduce a two-step hydrothermal process for synthesis of long and vertically aligned ZnO nanowire arrays, and demonstrate that, by dividing the wire growth process into two steps at two different temperatures and reducing Zn 2+ concentration, ZnO nanowires up to 20 μm long can be obtained without fusing their roots. The resulting ZnO nanowires can be converted into TiO 2 nanotubes, and DSCs fabricated using such TiO 2 nanotubes yield power conversion efficiencies up to 6.1%.

show abstract

Two-Stage Hydrothermal Growth of Long ZnO Nanowires for Efficient TiO₂ Nanotube-Based Dye-Sensitized Solar Cells

Gao

2012

J. Phys. Chem. C

View full text Add to dashboard Cite

show abstract

Influence of Crystallization Additives on Morphology of Selected Benzoic Acids - A Molecular Dynamics (MD) Simulation Study

Semjonova

Be̅rziņš

2021

KEM

View full text Add to dashboard Cite

The possibility to modify the morphology by crystallization additives of model substances was studied using molecular dynamics simulations. For this 2,6-dimethoxybenzoic acid and 3-hydroxybenzoic acid, each having two polymorphic forms, including a form without carboxylic acid homodimers in their crystal structure were selected. For each polymorph 2-3 largest crystal faces were selected for the study and the crystal was cut along these planes by preparing a simulation box with these planes facing towards solution containing additives. In the performed study it was evaluated which additives potentially can influence the crystal morphology and possibly also polymorph obtained in the crystallization by significantly changing the growth rate of crystal by adsorbing on the surface. For the study 4-5 additives providing different intermolecular interaction possibilities were selected. Among the studied additives urea showed the most complete adsorption and the longest residence time on surfaces of both substances, with the exceptions of few specific planes.

show abstract

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

customersupport@researchsolutions.com

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Made with 💙 for researchers

Part of the Research Solutions Family.

Morphology and Size Distribution of Crystals

Cited by 2 publications

References 34 publications

Two-Stage Hydrothermal Growth of Long ZnO Nanowires for Efficient TiO₂ Nanotube-Based Dye-Sensitized Solar Cells

Two-Stage Hydrothermal Growth of Long ZnO Nanowires for Efficient TiO₂ Nanotube-Based Dye-Sensitized Solar Cells

Influence of Crystallization Additives on Morphology of Selected Benzoic Acids - A Molecular Dynamics (MD) Simulation Study

Contact Info

Product

Resources

About

Morphology and Size Distribution of Crystals

Cited by 2 publications

References 34 publications

Two-Stage Hydrothermal Growth of Long ZnO Nanowires for Efficient TiO2 Nanotube-Based Dye-Sensitized Solar Cells

Two-Stage Hydrothermal Growth of Long ZnO Nanowires for Efficient TiO2 Nanotube-Based Dye-Sensitized Solar Cells

Influence of Crystallization Additives on Morphology of Selected Benzoic Acids - A Molecular Dynamics (MD) Simulation Study

Contact Info

Product

Resources

About

Two-Stage Hydrothermal Growth of Long ZnO Nanowires for Efficient TiO₂ Nanotube-Based Dye-Sensitized Solar Cells

Two-Stage Hydrothermal Growth of Long ZnO Nanowires for Efficient TiO₂ Nanotube-Based Dye-Sensitized Solar Cells