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Robust porous polymers enabled by a fast trifluoroacetic acid etch with improved selectivity for polylactide

Sarkar, Amrita; Stefik, Morgan

Customer publications

Robust porous polymers enabled by a fast trifluoroacetic acid etch with improved selectivity for polylactide

Sarkar, Amrita; Stefik, Morgan

Polylactide is a widely used sacrificial block for the preparation of porous polymers from ordered block copolymers. Although numerous etching strategies were developed in the past decade, demonstrations to date are limited by slow etch rates that require as long as a week for the etching of few-mm thick films.…
Effect of peptide self-assembly on the rheological properties of alginate-peptide conjugates solutions

Ochbaum, Guy; Bitton, Ronit

Customer publications

Effect of peptide self-assembly on the rheological properties of alginate-peptide conjugates solutions

Ochbaum, Guy; Bitton, Ronit

Alginate, a polysaccharide that gels in the presence of divalent ions is an obvious component of an injectable gel for regenerative medicine. Covalent bonding peptides to alginates is routinely used tailor alginate's biofunctionality. Here, we present a systematic investigation of the effect of three arginine-glycine-aspartic acid (RGD) -containing peptides, G6KRGDY,…
Tailoring the Morphology and Melting Points of Segmented Thermoplastic Polyurethanes by Self-Nucleation

Fernández-d’Arlas, Borja; Balko, Jens; Baumann, R. Peter; Pöselt, Elmar; Dabbous, Raphael; Eling, Berend; Thurn-Albrecht, Thomas; Müller, Alejandro J.

Customer publications

Tailoring the Morphology and Melting Points of Segmented Thermoplastic Polyurethanes by Self-Nucleation

Fernández-d’Arlas, Borja; Balko, Jens; Baumann, R. Peter; Pöselt, Elmar; Dabbous, Raphael; Eling, Berend; Thurn-Albrecht, Thomas; Müller, Alejandro J.

It is demonstrated that the melting behavior and the morphology of three segmented thermoplastic polyurethane elastomers (TPUs) can be tailored by applying self-nucleation (SN) procedures. The self-nucleating temperature ranges for each of the TPU have been first determined by differential scanning calorimetry (DSC), while their morphology was studied by polarized…
Self-assembly of block copolymers via micellar intermediate states into vesicles on time scales from milliseconds to days

Fürst, Carolin; Zhang, Peng; Roth, Stephan V.; Drechsler, Markus; Förster, Stephan

Customer publications

Self-assembly of block copolymers via micellar intermediate states into vesicles on time scales from milliseconds to days

Fürst, Carolin; Zhang, Peng; Roth, Stephan V.; Drechsler, Markus; Förster, Stephan

Block copolymer micelles and vesicles are mostly prepared by the solvent mixing method, where the block copolymer is first dissolved in a common solvent for both blocks, which is then mixed with a selective solvent, mostly water, to induce self-assembly into the desired structure. Using a combination of microfluidic flow-focusing…
Self-organized in-plane ordering of nanostructures at epitaxial ferroelectric–ferromagnetic interfaces

Flaschmann, R.; Ye, J.; Paul, N.; Bern, F.; Esquinazi, P.; Müller-Buschbaum, P.; Stahn, J.; Böni, P.; Zheng, J.-G.; Aoki, T.; Paul, A.

Customer publications

Self-organized in-plane ordering of nanostructures at epitaxial ferroelectric–ferromagnetic interfaces

Flaschmann, R.; Ye, J.; Paul, N.; Bern, F.; Esquinazi, P.; Müller-Buschbaum, P.; Stahn, J.; Böni, P.; Zheng, J.-G.; Aoki, T.; Paul, A.

The formation of self-assembled structures is of great interest in the field of ferroelectric (FE)–ferromagnetic (FM) oxide interfaces with novel functionalities driven by the combination of strain relaxation and diffusion/segregation processes occurring during epitaxial growth of Mn-based heterostructures. In epitaxial bilayers and multilayers of La0.67Sr0.33MnO3 (LSMO)/BaTiO3 (BTO) on (001)…
Toward Tailored Film Morphologies: The Origin of Crystal Orientation in Hybrid Perovskite Thin Films

Oesinghaus, Lukas; Schlipf, Johannes; Giesbrecht, Nadja; Song, Lin; Hu, Yinghong; Bein, Thomas; Docampo, Pablo; Müller-Buschbaum, Peter

Customer publications

Toward Tailored Film Morphologies: The Origin of Crystal Orientation in Hybrid Perovskite Thin Films

Oesinghaus, Lukas; Schlipf, Johannes; Giesbrecht, Nadja; Song, Lin; Hu, Yinghong; Bein, Thomas; Docampo, Pablo; Müller-Buschbaum, Peter

Efficient perovskite solar cells can be produced by a wide variety of different methods. Previous results show that controlling the film morphology is critical to enhance the efficiency of the prepared devices. Here, grazing-incidence wide-angle X-ray scattering (GIWAXS) is used to study the morphology and especially the orientation distribution of…