TCI is at the forefront of offering high-quality materials for R&D. This issue covers our materials science topics as follows:

• Passivation Layer Material for Perovskite Solar Cells PDINN
• 2,2-Bis(trifluoromethyl)-1,3-dioxolane for Battery Research
• Covalent Organic Frameworks (COFs) Linkers
• Aminostyrene Monomers

Passivation Layer Material for Perovskite Solar Cells PDINN

PDINN [P3289] is a compound gaining attention as a passivation layer material in solar cells. It is expected to serve as a high-performance material in various applications, such as a passivation layer between the light-absorbing layer and the ETL in perovskite solar cells.

2,2-Bis(trifluoromethyl)-1,3-dioxolane for Battery Research

2,2-Bis(trifluoromethyl)-1,3-dioxolane [B6911] is a material reported for use as an electrolyte additive in lithium batteries.The fluorinated cyclic acetal structure provides high redox stability and the ability to form lithium fluoride (LiF)-rich surface.Solid Electrolyte Interphase (SEI) and Cathode Electrolyte Interphase (CEI) layers with high LiF content enable improved battery cycle stability and capacity.

Covalent Organic Frameworks (COFs) Linkers

COFs are designed and synthesized by polymerization of monomers, also called linkers, according to intended topology. We offer approximately 90 types of linkers, including aldehyde linkers such as 4,4',4''-(1,3,5-triazine-2,4,6-triyl)tribenzaldehyde [T4078], amine linkers such as 4',4''',4'''''-(1,3,5-triazine-2,4,6-triyl)tris([1,1'-biphenyl]-4-amine) [T4341], and carboxylic anhydride linkers such as mellitic trianhydride [M3617].

Aminostyrene Monomers

Aminostyrene monomers such as N,N-dimethyl-4-vinylaniline [E1607] allow the synthesis of polystyrenes capable of late-stage functionalization. Examples of late-stage functionalization include chelation after polymerization, quaternary ammonium formation, and betaine formation. The resulting polystyrenes have reportedly been applied to palladium-catalyzed reaction fields, polymeric permeable membranes, polyelectrolytes, and ion exchange resins.

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