Stabilizing phases of block copolymers with gigantic spheres via designed chain architectures

Y Qiang, W Li, AC Shi - ACS Macro Letters, 2020 - ACS Publications
It is generally believed that the spherical domains self-assembled from AB-type block
copolymers are composed of the minority A blocks with a volume fraction of f A< 1/2 …

Largely Tunable Asymmetry of Phase Diagrams of A(AB)n Miktoarm Star Copolymer

C Li, Q Dong, W Li - Macromolecules, 2020 - ACS Publications
Topological asymmetry is an important factor to change the phase diagram of AB-type block
copolymer with respect to the volume fraction of A-blocks from symmetric to asymmetric …

Complete photonic band gaps with nonfrustrated ABC bottlebrush block polymers

J Lequieu, T Quah, KT Delaney… - ACS Macro …, 2020 - ACS Publications
Bottlebrush block polymers are a promising platform for self-assembled photonic materials,
yet most work has been limited to one-dimensional photonic crystals based on the lamellar …

Effect of molecular asymmetry on the formation of asymmetric nanostructures in ABC-type block copolymers

Q Dong, W Li - Macromolecules, 2020 - ACS Publications
Because domain geometry is dictated by the volume fraction of the block constituting it, an
ABC linear triblock copolymer with unequal volume fractions of A and C blocks can form …

Accelerated pseudo-spectral method of self-consistent field theory via crystallographic fast Fourier transform

Y Qiang, W Li - Macromolecules, 2020 - ACS Publications
Self-consistent field theory (SCFT) has been proven as one of the most successful methods
for studying the phase behavior of block copolymers. In the past decades, a number of …

Monomer sequence effects on interfacial width and mixing in self-assembled diblock copolymers

AL Patterson, B Yu, SPO Danielsen… - …, 2020 - ACS Publications
Monomer sequence is shown to directly control interfacial and in-domain mixing in lamellar
polystyrene-b-polypeptoid diblock copolymers, where the polypeptoid block is composed of …

Regulate the stability of gyroids of ABC-type multiblock copolymers by controlling the packing frustration

Q Xie, Y Qiang, W Li - ACS Macro Letters, 2020 - ACS Publications
We propose to regulate the stability of gyroids of ABC-type multiblock copolymers by
controlling the packing frustration of majority-component B-blocks. Accordingly, we …

Emergence and Stability of Janus-Like Superstructures in an ABCA Linear Tetrablock Copolymer

Q Xie, Y Qiang, G Zhang, W Li - Macromolecules, 2020 - ACS Publications
Although the general mechanism of block copolymer self-assembly has been well
established, the self-assembly behaviors of multiblock copolymers are still hard to …

Formation of multicontinuous 3D network nanostructures with increased complexity in ABC-type block copolymers

Y Xu, W Hu - Langmuir, 2020 - ACS Publications
The multicontinuous network nature of polymer nanostructures provides them with many
opportunities to fabricate multifunctional materials with specific mechanical, transport …

Atomic shell structure from an orbital-free-related density-functional-theory Pauli potential

RB Thompson - Physical Review A, 2020 - APS
Polymer self-consistent field theory techniques are used to find radial electron densities and
total binding energies for isolated atoms. Quantum particles are modeled as Gaussian …