Nanopolis, built in 2013, is currently the world’s largest hub of nanotech innovation and commercialization. Located in Suzhou, China, it covers an area of 100 acres with a planned construction area of a further 1.5 million m2. Research at Nanopolis embraces all aspects of nanotechnology with particular emphasis on nanomaterials.

Mesolight is a subsdiary of Suzhou Xingshuo Nanotech Co., Ltd and is based at Nanopolis. The company develops quantum dots for a range of applications with a particular focus on displays. As Yunjun Wang says, “Quantum-dot synthesis is tricky because we still don’t know exactly what is inside these structures and what is happening.”

Click on the movie to see Dr Wang, founder and CEO of Mesolight, demonstrate some of the cutting-edge quantum dot products they have developed.

For more from the International Year of Light ‘In the lab’ series visit our playlist.

Further reading

Nonlinear optical properties of Er3+/Yb3+-doped NaYF4 nanocrystals Komarala V K, Wang Y and Xiao M 2010 Chemical Physics Letters 490, 189-193

A probabilistic approach for validating protein NMR chemical shift assignments Wang B, Wang Y and Wishart D S 2010 Journal of Biomolecular NMR 47, 85-99

Temperature dependent upconversion luminescence of YbEr codoped NaYF 4 nanocrystals Wu K, Cui J, Kong X and Wang Y 2011 Journal of Applied Physics 110, 053510

High color purity ZnSe/ZnS core/shell quantum dot based blue light emitting diodes with an inverted device structure Ji W, Jing P, Xu W, Yuan X, Wang Y, Zhao J and Jen A K-Y2013 Applied Physics Letters 103, 053106

Further quantum dot research

Successive and large-scale synthesis of InP/ZnS quantum dots in a hybrid reactor and their application to white LEDs Kim K, Jeong S, Woo J Y and Han C-S 2012 Nanotechnology 23, 065602

Narrow emission linewidths of positioned InAs quantum dots grown on pre-patterned GaAs(100) substrates Skiba-Szymanska J, Jamil A, Farrer I, Ward M B, Nicoll C A, Ellis D J P, Griffiths J P, Anderson D, Jones G A C and Ritchie D A 2011 Nanotechnology 22 065302

One-pot synthesis of water-dispersible Ag2S quantum dots with bright fluorescent emission in the second near-infrared window Yang H-Y, Zhao Y-W, Zhang Z-Y, Xiong H-M and Yu S-N 2013 Nanotechnology 24 055706

Full-color InGaN/GaN dot-in-a-wire light emitting diodes on silicon Nguyen H P T, Cui K, Zhang S, Fathololoumi S and Mi Z 2011 Nanotechnology 22 445202