Journal
INORGANIC CHEMISTRY FRONTIERS
Volume 6, Issue 4, Pages 1097-1102Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9qi00116f
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Funding
- Technology Plan of Shenzhen City [JCYJ20170412171554022]
- National Natural Science Foundation of China [51631001, 21643003, 51702016, 51501010, 21673058]
- Science and Technology Innovation Commission of Shenzhen [JCYJ20150529164656097, JSGG20160226201833790, JCYJ20170818093832350]
- Guangdong Natural Science Fund for Distinguished Young Scholars [2016A030306020]
- Guangdong Youth Talent Plan [2015TQ01C536]
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Highly quality 2D Bi2Te3 nanoplates are obtained via solvothermal synthesis and cations with different chemical valences (Ag+/Cu2+/In3+) are doped into Bi2Te3 by a cation exchange reaction in ethanol solution at room temperature. By combining precise XRD, SEM, HRTEM and XPS characterization, the cations are shown to be doped into the lattice of Bi2Te3 bringing lattice defects and distortion, and cation-doping caused a change in chemical state but without obvious changes in the hexagonal morphology. This research provides a possible general strategy for obtaining cation-doped bismuth telluride.
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