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TCI Materials Science News  May 2021



TCI is at the forefront of offering high quality materials for R&D. In this issue, we focus on the usefulness of our self-assemble monolayer (SAM) forming agent for enhancing solar cell performance, molecular crystal electrolytes with high lithium ion conductivity, high-mobility / high-solubility p-type organic semiconductor, and latest TCIMAIL. We also provide an extensive catalog of organic and inorganic reagents that are valuable tools in the field of materials science.
2PACz Series

Self-Assemble Monolayer (SAM) Forming Agent for Enhancing Solar Cell Performance, 2PACz Series

Self-assembled monolayer-forming agents 2PACz [C3663] and MeO-2PACz [D5798], work as hole transport materials which enable efficient, versatile, and stable p-i-n perovskite solar cell devices without additives, interlayers or dopants. The self-assembly of 2PACz or MeO-2PACz leads to conformal coverage of oxide surfaces (including textured). Perovskite solar cell devices can be fabricated by simple, scalable, and extremely cost-effective processing.
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Molecular Crystal Electrolytes with High Lithium Ion Conductivity

Molecular Crystal Electrolytes with High Lithium Ion Conductivity

Li(FSA)(SN)2, an organic molecular crystal composed of Li(FSA) [L0281] and succinonitrile (SN) [S0109] exhibits high lithium ion conductivity due to a new ionic conduction mechanism. Hence, it is expected to be applied as a solid electrolyte for all-solid-state batteries. Although polymer electrolytes such as organic solid electrolyte generally show a rapid decrease in ionic conductivity at low temperatures, the molecular crystal maintains high ionic conductivity even at low temperatures. Its conductivity at -20 °C (10-5 Scm-1) is about 100 times higher than that of previously reported materials. In addition, this molecular crystal has a low melting point (59.5 °C) and crystalizes again when cooled after melting, which makes it possible to fabricate thin-film all-solid-state batteries through a process of melting and crystallization.
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High-Mobility / High-Solubility p-Type Organic Semiconductor, Ph-BTBT-n Series

High-Mobility / High-Solubility p-Type Organic Semiconductor, Ph-BTBT-n Series

In addition to the previously available semiconductors Ph-BTBT-10 [D5491], TCI now offers Ph-BTBT-12 [D5910], Ph-BTBT-8 [O0576], Ph-BTBT-6 [H1769] and Ph-BTBT-4 [B6248] that differ in alkyl chain length. The mobility and solubility of this series highly depend on the length of alkyl chain (n = 4 to 12). You can choose any of the Ph-BTBT-n series depending on your purpose and operating environment. Additionally the transistor device fabrications using Ph-BTBT-n series are applicable to both dry and wet processes.
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TCI Chemistry Research: TCIMAIL 186

Released in April 2021, TCI's latest issue features Prof. Nuno Maulide’s article on heterocycle formation called "Trifluoromethanesulfonic Anhydride in Amide Activation: A Powerful Tool to Forge Heterocyclic Cores”, and Prof. Nagatoshi Nishiwaki’s chemistry chat. We also feature research on:
Be sure to check out our previous issues of TCIMAIL that contain various scientific articles from researchers around the world!
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