Formation of coffee-stain patterns at the nanoscale: The role of nanoparticle solubility and solvent evaporation rate

2017 ◽  
Vol 146 (11) ◽  
pp. 114503 ◽  
Author(s):  
Jianguo Zhang ◽  
Jasmin Milzetti ◽  
Frédéric Leroy ◽  
Florian Müller-Plathe
Keyword(s):  
Evaporation Rate ◽  
Solvent Evaporation ◽  
Nanoparticle Solubility

scholarly journals Evaporation-Induced Crystal Nucleation and Morphology of Dried Poly(Vinylidene Fluoride) Droplets

Crystals ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. 1442
Author(s):  
Yongri Liang ◽  
Susu Wang
Keyword(s):  
Droplet Size ◽  
Evaporation Rate ◽  
Vinylidene Fluoride ◽  
Grazing Incidence ◽  
Solvent Evaporation ◽  
Crystal Nucleation ◽  
Coffee Ring ◽  
Poly Vinylidene Fluoride ◽  
Coffee Ring Effect ◽  
Ring Effect

The evaporation of a polymer solution droplet is important in solution-based polymer film fabrications, such as inkjet printing, spray coatings, and droplet casting, etc. In this work, we investigated the effect of droplet size, solvent evaporation rate, and concentration on the “coffee-ring” effect, crystal nucleation, polymorphism, and morphology of dried poly (vinylidene fluoride) (PVDF) solution droplets with the atomic force microscopy (AFM) and two-dimensional grazing incidence wide angle X-ray scattering (2D GIWAXS) method. We found that the crystal structure, morphology and crystal distribution in the center and edge regions of dried PVDF droplets were different due to the “coffee-ring” effect. The “coffee-ring” effect of dried PVDF droplets was mainly composited of accumulated crystals at the edge region of a droplet, which was mainly made by the crystallization of migrated chains. The interplay between the migration of chains and the crystallization and solidification of PVDF droplets significantly influenced the formation of the “coffee-ring”. In addition, our results showed that the decrease in droplet size and the controlling solvent evaporation rate were effective ways to improve the electroactive crystalline phases (β and γ-phases) nucleation and decrease the crystal size.

scholarly journals Studying the Effect of PMG on the Hydrodynamic Characteristics and Stability of PLGA-Vegetable Oil Hybrid Nanoparticles Obtained by Emulsion Solvent Evaporation Method

2019 ◽  
Vol 56 (4) ◽  
pp. 857-864
Author(s):  
Jana Ghitman ◽  
Raluca L. Stan
Keyword(s):  
Vegetable Oil ◽  
Research Study ◽  
Solvent Evaporation ◽  
Hybrid Nanoparticles ◽  
Hydrodynamic Characteristics ◽  
Solvent Evaporation Method ◽  
Evaporation Method ◽  
Mean Diameter ◽  
Emulsification Process

The main goal of this research study was to understand the role of the vegetable oil in the obtaining process of nanoparticles by emulsion solvent evaporation method, respectively the effect of the vegetable oil upon the final characteristics of hybrid PLGA-pomegranate vegetable oil (PMG) nanoparticles. Colloids with mean diameter around 125.6 nm (PLGA-np) and 141.7 nm (PLGA-PMG-np) were obtained. It was noted that the addition of the vegetable oil has a key role in the primary emulsification process leading to hybrid colloids with improved the uniformity (PdI) and stability of hybrid nanoparticles.

Controlling Ordered Structures of PS-b-P2VP Block Copolymer Thin Film by Tuning Solvent Evaporation Rate

2017 ◽  
Vol 371 (1) ◽  
pp. 75-83 ◽  
Author(s):  
Siti Aisyah Shamsudin ◽  
Takenaka Mikihito ◽  
Hasegawa Hirokazu
Keyword(s):  
Thin Film ◽  
Block Copolymer ◽  
Evaporation Rate ◽  
Solvent Evaporation ◽  
Ordered Structures

Morphological Evolution of Block Copolymer Particles: Effect of Solvent Evaporation Rate on Particle Shape and Morphology

ACS Nano ◽  
2017 ◽  
Vol 11 (2) ◽  
pp. 2133-2142 ◽  
Author(s):  
Jae Man Shin ◽  
YongJoo Kim ◽  
Hongseok Yun ◽  
Gi-Ra Yi ◽  
Bumjoon J. Kim
Keyword(s):  
Block Copolymer ◽  
Particle Shape ◽  
Evaporation Rate ◽  
Morphological Evolution ◽  
Solvent Evaporation ◽  
Effect Of Solvent

The Influence of the Solvent Evaporation Rate on the Phase Separation and Electrical Performances of Soluble Acene-Polymer Blend Semiconductors

2011 ◽  
Vol 22 (2) ◽  
pp. 267-281 ◽  
Author(s):  
Wi Hyoung Lee ◽  
Donghoon Kwak ◽  
John E. Anthony ◽  
Hwa Sung Lee ◽  
Hyun Ho Choi ◽  
...  
Keyword(s):  
Phase Separation ◽  
Polymer Blend ◽  
Evaporation Rate ◽  
Solvent Evaporation

Rhythmic Growth-Induced Concentric Ring-Banded Structures in Poly(ε-caprolactone) Solution-Casting Films Obtained at the Slow Solvent Evaporation Rate

2007 ◽  
Vol 40 (12) ◽  
pp. 4381-4385 ◽  
Author(s):  
Zongbao Wang ◽  
Zhijun Hu ◽  
Yongzhong Chen ◽  
Yumei Gong ◽  
Haiying Huang ◽  
...  
Keyword(s):  
Evaporation Rate ◽  
Solvent Evaporation ◽  
Solution Casting ◽  
Concentric Ring ◽  
Rhythmic Growth

Effect of solvent evaporation rate on microphase-separated structure of segmented poly(urethane-urea) prepared by solution casting

1994 ◽  
Vol 195 (11) ◽  
pp. 3615-3628 ◽  
Author(s):  
Yuko Ikeda ◽  
Masato Tabuchi ◽  
Yasuhiro Sekiguchi ◽  
Yoshikazu Miyake ◽  
Shinzo Kohjiya
Keyword(s):  
Evaporation Rate ◽  
Solvent Evaporation ◽  
Solution Casting ◽  
Effect Of Solvent

Optimized Organometal Halide Perovskite Planar Hybrid Solar Cells via Control of Solvent Evaporation Rate

2014 ◽  
Vol 118 (46) ◽  
pp. 26513-26520 ◽  
Author(s):  
Rira Kang ◽  
Jeung-Eun Kim ◽  
Jun-Seok Yeo ◽  
Sehyun Lee ◽  
Ye-Jin Jeon ◽  
...  
Keyword(s):  
Solar Cells ◽  
Evaporation Rate ◽  
Solvent Evaporation ◽  
Hybrid Solar Cells ◽  
Organometal Halide Perovskite ◽  
Halide Perovskite
Sign in / Sign up

Export Citation Format

Share Document