Related Experiment Video
Updated: Mar 13, 2026
06:28
Self-Assembly of Hybrid Lipid Membranes Doped with Hydrophobic Organic Molecules at the Water/Air Interface
Published on: May 1, 2020
4.1K
Solubility Characteristics of PCBM and C60
1Department of Chemistry and Biochemistry and ‡Department of Mathematics, College of Charleston , 66 George St., Charleston, South Carolina 29424, United States.
The Journal of Physical Chemistry. B
|October 18, 2016
Summary
Solubility parameters for C60 and PCBM are anomalous due to solvent properties, not molecular structure. New methods highlight these solvent-driven irregularities, impacting cohesive energy density understanding.
Area of Science:
- Materials Science
- Physical Chemistry
- Organic Electronics
Background:
- Fullerenes like C60 and PCBM are crucial in organic electronics.
- Their solubility is often limited and dependent on specific solvent properties.
- Understanding solubility is key for processing and device fabrication.
Purpose of the Study:
- To investigate the anomalous solubility parameters of C60 and PCBM.
- To compare Functional Solubility Parameter (FSP) and Convex Solubility Parameter (CSP) methods with existing models.
- To clarify the role of solvent properties versus molecular structure in solubility.
Main Methods:
- Calculated FSP and CSP for C60 and PCBM using literature solubility data.
- Compared FSP/CSP results with Hansen Solubility Parameters (HSPs) and additive methods.
- Analyzed solubility using Linear Solvation Energy Relationship (LSER) models and COSMO-RS.
Main Results:
- FSP and CSP confirm unexpectedly high polar (δP) and hydrogen-bonding (δH) parameters for C60 and PCBM.
- These parameters are driven by the properties of good solvents, not the molecules themselves.
- Solubility parameters reflect solvent characteristics rather than the cohesive energy density of C60/PCBM.
Conclusions:
- The solubility of C60 and PCBM is significantly influenced by solvent polarity and hydrogen-bonding capabilities.
- Standard solubility parameter models may misrepresent molecular cohesive energy due to solvent effects.
- FSP and CSP methods effectively highlight these solvent-dominated solubility characteristics.
More Related Videos
Related Concept Videos
02:56Intermolecular Forces and Physical Properties
29.4K
29.4K
03:00Solubility
21.8K
Solution, Solubility, and Solubility Equilibrium
A solution is a homogeneous mixture composed of a solvent, the major component, and a solute, the minor component. The physical state of a solution—solid, liquid, or gas—is typically the same as that of the solvent. Solute concentrations are often described with qualitative terms such as dilute (of relatively low concentration) and concentrated (of relatively high concentration).
In a solution, the solute particles (molecules,...
A solution is a homogeneous mixture composed of a solvent, the major component, and a solute, the minor component. The physical state of a solution—solid, liquid, or gas—is typically the same as that of the solvent. Solute concentrations are often described with qualitative terms such as dilute (of relatively low concentration) and concentrated (of relatively high concentration).
In a solution, the solute particles (molecules,...
21.8K
01:30Micelles
132
Micelle formation is an intricate process that hinges on the properties of amphiphilic or amphipathic molecules and the conditions of the system in which they are found. Amphiphilic molecules, which have both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts, play a critical role in this process.In aqueous environments, these molecules arrange themselves such that their hydrophilic heads are turned towards the water phase, while their hydrophobic tails are oriented away...
132
01:24π Molecular Orbitals of 1,3-Butadiene
12.5K
Conjugated dienes have lower heats of hydrogenation than cumulated and isolated dienes, making them more stable. The enhanced stabilization of conjugated systems can be understood from their π molecular orbitals.
The simplest conjugated diene is 1,3-butadiene: a four-carbon system where each carbon is sp2-hybridized and has an unhybridized p orbital that contains an unpaired electron. According to molecular orbital theory, atomic orbitals combine to form molecular orbitals such that the number...
The simplest conjugated diene is 1,3-butadiene: a four-carbon system where each carbon is sp2-hybridized and has an unhybridized p orbital that contains an unpaired electron. According to molecular orbital theory, atomic orbitals combine to form molecular orbitals such that the number...
12.5K
01:18Frost Circles for Different Conjugated Systems
4.1K
The inscribed polygon method is consistent with Hückel’s 4n + 2 rule and helps to learn whether the given cyclic compound is aromatic or not. The compound is stable and aromatic if every bonding molecular orbital (MO) is completely filled with a pair of electrons. However, if the non-bonding or antibonding orbitals are filled with electrons, the compound is unstable and not aromatic. Consider the Frost circle diagrams for cycloalkenes containing 4 to 8 carbons.
4.1K
02:36Crown Ethers
6.2K
Crown ethers are cyclic polyethers that contain multiple oxygen atoms, usually arranged in a regular pattern. The first crown ether was synthesized by Charles Pederson while working at DuPont in 1967. For this work, Pedersen was co-awarded the 1987 Nobel Prize in Chemistry. Crown ethers are named using the formula x-crown-y, where x is the total number of atoms in the ring and y is the number of ether oxygen atoms. The term 'crown' refers to the crown-like shape that these ether molecules...
6.2K