Tailor-made additives for melt-grown molecular crystals: Why or why not?

H Zhou, J Sabino, Y Yang, MD Ward… - Annual Review of …, 2023 - annualreviews.org
Tailor-made additives (TMAs) have found a role in crystal morphology engineering and
control by specific binding to crystal surfaces through stereo-chemical recognition. The utility …

Leveling up Organic Semiconductors with Crystal Twisting

SJ Whittaker, H Zhou, RB Spencer, Y Yang… - Crystal Growth & …, 2023 - ACS Publications
The performance of crystalline organic semiconductors depends on the solid-state structure,
especially the orientation of the conjugated components with respect to device platforms …

Twisted crystalline organic semiconductor photodetectors

S Jeong, N Barbosa, A Tiwari… - Advanced Functional …, 2023 - Wiley Online Library
Optoelectronic properties of anisotropic crystals vary with direction requiring that the
orientation of molecular organic semiconductor crystals is controlled in optoelectronic device …

Self-patterning tetrathiafulvalene crystalline films

SJ Whittaker, M McDowell, J Bendesky, Z An… - Chemistry of …, 2023 - ACS Publications
Tetrathiafulvalene (TTF) crystals grown from the melt are organized as spherulites in which
helicoidal fibrils growing radially from the nucleation center twist in concert with one another …

Coherence in polycrystalline thin films of twisted molecular crystals

Y Yang, AG Shtukenberg, H Zhou, C Ruzie… - Chemistry of …, 2024 - ACS Publications
Helicoidal crystallites in rhythmically banded spherulites manifest spectacular optical
patterns in small molecules and polymers. It is shown that concentric optical bands …

Polymer-Assisted Polymorph Transition in Melt-Processed Molecular Semiconductor Crystals

P Sundaram, RB Spencer, A Tiwari… - Chemistry of …, 2024 - ACS Publications
A previously unreported polymorph of 5, 11-bis (triisopropylsilylethynyl) anthradithiophene
(TIPS ADT), Form II, crystallizes from melt-processed TIPS ADT films blended with 16±1 wt …

Chiral crystals, Jack, conductivity and magnetism

B Kahr, Y Yang, SJ Whittaker… - Helvetica Chimica …, 2023 - Wiley Online Library
Recently, the application of magnetic fields to chiral chemical systems has been rewarding.
In a forward‐looking 1986 paper,'Chiral Metals?', Wallis, Karrer, and Jack D. Dunitz forecast …

Effect of melt shearing on D-mannitol crystal twisting in the presence of small molecule and macromolecular additives

Y Zhang, AG Shtukenberg, B Kahr, DM Kalyon… - Journal of Crystal …, 2023 - Elsevier
Many molecular crystals grow as twisted lamellae from the melt when the driving force is
high, but the mechanisms governing the spontaneous formation of helicoidal crystallites are …

Collimating the growth of twisted crystals of achiral compounds

I Lozano, SJ Whittaker, Y Yang, A Tiwari, H Zhou… - Chirality, 2023 - Wiley Online Library
A great proportion of molecular crystals can be made to grow as twisted fibrils. Typically, this
requires high crystallization driving forces that lead to spherulitic textures. Here, it is shown …