Synthesis of Atomically Thin CdTe Nanoplatelets by Using Polytelluride Tellurium Precursors

Synthesis of Atomically Thin CdTe Nanoplatelets by Using Polytelluride Tellurium Precursors

Colloidal two-dimensional (2D) semiconductor nanocrystals are of great importance due to their remarkable optical and electronic properties. Herein, shape-controllable synthesis of 2D wurtzite CdTe nanoplatelets (NPLs) by simply tailoring the reactivity of a tellurium (Te) precursor is reported. Rib...

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Bibliographic Details
Main Authors: Wang, Fei, Javaid, Shaghraf, Chen, Wei, Wang, A., Buntine, Mark, Jia, Guohua
Format: Journal Article
Language:English
Published: CSIRO PUBLISHING 2021
Subjects:
Science & Technology
Physical Sciences
Chemistry, Multidisciplinary
Chemistry
SHAPE
NANOCRYSTALS
CDSE
PERFORMANCE
SIZE
REACTIVITY
PHASE
Online Access:http://purl.org/au-research/grants/arc/DE160100589
http://hdl.handle.net/20.500.11937/83413
Description
Summary:Colloidal two-dimensional (2D) semiconductor nanocrystals are of great importance due to their remarkable optical and electronic properties. Herein, shape-controllable synthesis of 2D wurtzite CdTe nanoplatelets (NPLs) by simply tailoring the reactivity of a tellurium (Te) precursor is reported. Ribbon-, shield-, and bullet-like 2D CdTe NPLs were prepared by a stepwise conversion from CdTe magic-size nanoclusters (MSNCs) by using Te32-, Te22-, and Te2- polytellurides as the tellurium precursor, respectively. This work not only develops a synthetic strategy capable of synthesising wurtzite CdTe nanoplatelets with controlled shapes by tailoring the reactivity of tellurium precursors but also gives insights into the growth mechanisms of colloidal 2D semiconductor nanocrystals.

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