Materials Science March
TCI is at the forefront of offering diverse and high-quality materials for research applications. In this issue, we focus on the usefulness of our colloidal quantum dot research reagents, dipyrromethene dyes, thiacalixarenes, and TCIMAIL 182. We also provide an extensive catalog of organic and inorganic reagents that are valuable tools in the field of materials science.
Colloidal Quantum Dot (QD) Research Reagents

Colloidal Quantum Dot (QD) Research Reagents

First discovered in 1980, quantum dots (QDs) are nanocrystals composed of inorganic semiconductors that can tune their band gaps by controlling the size of their particles. This is also known as the quantum confinement effect. While QDs possess interesting optical properties such as sharp luminescence and broad absorption, they can also disperse in various solvents via introduction of proper organic capping ligands on the surface. Because of such versatility, we expect continued and increased research on QDs, with real-world applications in light-emitting devices, photovoltaic devices, biological imaging, and more.
Colloidal Quantum Dot Reagents
Dipyrromethene Dyes

Dipyrromethene Dyes

A dipyrromethene-coordinated boron complex (boron dipyrromethene) shows a very small Stokes shift, high fluorescent quantum efficiency that is independent of solvent polarity, a large molar absorption coefficient, and a sharp excitation and emission spectra. Because of both an increasing demand, and with applications in fluorescent labeling reagents, laser dyes, and electronic materials, expect to see dipyrromethene dyes become an alternative to fluorescein and rhodamine dyes
More on Dipyrromethene Dyes


Thiacalixarenes are modified calixarenes in which the methylene subunits are replaced with sulfur atoms. For example, 4-tert-butylthiacalix[4]arene [B2296] is regarded as an attractive host compound, as well as a starting material for various functional thiacalixarenes. Calixarenes, the third host compounds following crown ethers and cyclodextrins, have prominent host-guest recognition ability with extensive modifications to their structure carried out with the aim of discovering new functions and applications.
More on Thiacalixarenes
TCI Chemistry Research: TCIMAIL 182

TCI Chemistry Research: TCIMAIL 182

Released in December 2019, TCI's latest quarterly issue features Assistant Professor Muhammet Uyanik and Professor Kazuaki Ishihara's article on asymmetric synthesis titled "Designer C2-symmetric Chiral Diamide-type Organoiodine Catalysts". We also feature chemistry research on:

Be sure to check out back issues of TCIMAIL for other exciting articles from scientific researchers around the world.
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