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How chemistry can help the world? We all ask this question at some point. For material chemists, one answer is the constant improvement to the technology we use daily. These new innovations, coupled with the necessity to advance this research, drive TCI to expand our catalog of high quality organic reagents that are valuable tools in the field of materials science. In this issue, we feature our products in organic transistor materials, cycloparaphenylenes, perovskite precursors, and ligands for functional metal complexes.
Quality-Guaranteed Organic Transistor Materials

Organic Transistor Materials

As promising materials for current and next-gen printed electronics, organic semiconductors will continue to attract warranted attention because of their flexibility and solubility. To meet the demands and specifications required by today's materials scientists, TCI offers in-house, quality tested (FET mobility) reagents such as Fullerene C70, [60]PCBM, Pentacene, TIPS Pentacene, Ph-BTBT-10, and P3HT for research in organic field effect transistors (OFETs), organic photovoltaics (OPVs), and organic electroluminescence devices (OLEDs).
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Cycloparaphenylenes (CPPs)

Cycloparaphenylenes (CPPs)

Cycloparaphenylenes (CPPs), commonly referred to as carbon nanorings, feature a remarkable structure consisting of cyclically linked para-benzene units ranging in size from 5 to 12 units and beyond. CPP's, being the smallest unit structure of carbon nanotubes (CNTs), and having unique and unexplored properties, allow for modification of the CPP ring that can change the HOMO-LUMO band gap, absorption, and emission properties. Key breakthroughs in CPP research include functionalization of CPPs, and a bottom-up total synthesis of carbon nanotubes. Additionally, CPPs can function as supramolecular hosts for iodine and fullerene within the ring pore.
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Perovskite Precursors: Tin(II) Iodide and Tin(II) Bromide

Perovskite Precursors: Tin(II) Iodide and Tin(II) Bromide

A novel solar cell type, perovskite solar cells (PSCs) display power conversion efficiencies over 20% seen via PSC devices whose active layers consisted mainly of lead. In order to fabricate a usable perovskite layer, use of a high-quality precursor without contamination from tin(IV) compounds (e.g. SnI4) is required. Due to the concerns of lead toxicity in lead-free or mixed metal PSCs, a possible lead alternative like Tin(II) halides can be used as a perovskite precursor. To this end, TCI offers tin(II) iodide [T3449] and tin(II) bromide [T3573] for perovskite precursors with extremely low tin(IV) content to meet purity requirements.
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New Ligands for Functional Metal Complexes

Various chemically modified ligands are good choices for the development of functional metal complexes. TCI offers various ligands for the syntheses of functional metal complexes such as dye sensitizers, light emitters, visible light photoredox catalysts and more.
TCI Ligands

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2018 Annual Meeting of Chinese Chemical Society Located in Taipei
December 8th-9th, 2018
National Sun Yat-sen University, Taiwan


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