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Chen L, Sakamoto M, Haruta M, et al. Tin Ion Directed Morphology Evolution of Copper Sulfide Nanoparticles and Tuning of Their Plasmonic Properties via Phase Conversion. Langmuir. 2016;32(30):7582-7doi: 10.1021/acs.langmuir.6b02035.
Chen, L., Sakamoto, M., Haruta, M., Nemoto, T., Sato, R., Kurata, H., & Teranishi, T. (2016). Tin Ion Directed Morphology Evolution of Copper Sulfide Nanoparticles and Tuning of Their Plasmonic Properties via Phase Conversion. Langmuir : the ACS journal of surfaces and colloids, 32(30), 7582-7. https://doi.org/10.1021/acs.langmuir.6b02035
Chen, Lihui, et al. "Tin Ion Directed Morphology Evolution of Copper Sulfide Nanoparticles and Tuning of Their Plasmonic Properties via Phase Conversion." Langmuir : the ACS journal of surfaces and colloids vol. 32,30 (2016): 7582-7. doi: https://doi.org/10.1021/acs.langmuir.6b02035
Chen L, Sakamoto M, Haruta M, Nemoto T, Sato R, Kurata H, Teranishi T. Tin Ion Directed Morphology Evolution of Copper Sulfide Nanoparticles and Tuning of Their Plasmonic Properties via Phase Conversion. Langmuir. 2016 Aug 02;32(30):7582-7. doi: 10.1021/acs.langmuir.6b02035. Epub 2016 Jul 21. PMID: 27398864.
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Langmuir. 2016 Aug 02;32(30):7582-7. doi: 10.1021/acs.langmuir.6b02035. Epub 2016 Jul 21.

Tin Ion Directed Morphology Evolution of Copper Sulfide Nanoparticles and Tuning of Their Plasmonic Properties via Phase Conversion.

Langmuir : the ACS journal of surfaces and colloids

Lihui Chen, Masanori Sakamoto, Mitsutaka Haruta, Takashi Nemoto, Ryota Sato, Hiroki Kurata, Toshiharu Teranishi

Affiliations

  1. PRESTO, Japan Science and Technology Agency , Gokasho, Uji, Kyoto 611-0041, Japan.

PMID: 27398864 DOI: 10.1021/acs.langmuir.6b02035

Abstract

Copper-deficient copper sulfide (Cu2-xS) nanoparticles (NPs) have been investigated as important hole-based plasmonic materials because of their size, morphology, and carrier density-dependent localized surface plasmon resonance (LSPR) properties. Morphology and carrier density are two important parameters to determine their LSPR properties. Here, we demonstrate that the foreign metal ion, Sn(4+), directs the growth of djurleite Cu31S16 from nanodisk to tetradecahedron along the [100] direction. To control the LSPR properties by tuning the carrier density, the djurleite Cu31S16 nanoparticles were pseudomorphically converted into more copper-deficient (higher carrier density) roxbyite Cu7S4 NPs by heat treatment in the presence of amine. The roxbyite Cu7S4 NPs exhibited a shorter and stronger LSPR peak while retaining the morphology of the djurleite Cu31S16 NPs.

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