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Polymer-Ligated Uniform Lead Chalcogenide Nanoparticles with Tunable Size and Robust Stability Enabled by Judiciously Designed Surface Chemistry by Shuang Liang; Mingyue Zhang; Yanjie He; Zhitao Kang; Mengkun Tian; Meng Zhang; Han Miao; Zhiqun Lin is a Materials Science article available to read on EtoBox.
What is Polymer-Ligated Uniform Lead Chalcogenide Nanoparticles with Tunable Size and Robust Stability Enabled by Judiciously Designed Surface Chemistry about?
Despite recent progress in synthesis, self-assembly, and utility of low band gap lead chalcogenide nanoparticles (NPs) due to their intriguing optoelectronic characteristics, their compositional instability in ambient condition remains a great challenge for long-term practical applications. Herein, we report a unique strategy via capitalization on a set of starlike block copolymers as nanoreactors for in situ crafting of uniform lead chalcogenide NPs with readily tailored sizes, surface chemistry, nearinfrared (NIR) optoelectronic properties, and more importantly, markedly enhanced stability against air exposure. The intimate and permanent tethering of the outer blocks of starlike block copolymers on the surface of lead chalcogenide NPs imparts their effective dispersion in both the solution and dry state. The diameter of the resulting NPs can be conveniently tuned by regulating the molecular weight (i.e., length) of the inner hydrophilic blocks of starlike block copolymers, manifesting the progressive red shift in the NIR absorption and emission as the diameter of the NPs increases. Most intriguingly, judiciously alternating the compositions and chain lengths of the outer blocks o
Who reads Polymer-Ligated Uniform Lead Chalcogenide Nanoparticles with Tunable Size and Robust Stability Enabled by Judiciously Designed Surface Chemistry?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Shuang Liang; Mingyue Zhang; Yanjie He; Zhitao Kang; Mengkun Tian; Meng Zhang; Han Miao; Zhiqun Lin
- Publisher
- American Chemical Society (ACS)
- Published
- 2021
- Language
- EN
- Field
- Materials Science (Physical Sciences)