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August 13, 2026Inorganic Chemistry

SuppressedCation Exchange Reactions in CovelliteCuS Nanoparticles: A Surface Capping Effect by Metal–AmineComplexes

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Overview

Randomized trial demonstrates the surface capping influence on cation exchange kinetics in copper-deficient nanoparticles, suggesting new control strategies.

Key Points

  • This research aims to investigate the surface capping effect on cation exchange reactions in copper-deficient CuS nanoparticles.
  • Utilized copper-deficient Cu2–xS nanoparticles as a cation exchange template.
  • Investigated the impact of Zn2+–oleylamine complexes on surface capping at the (0 0 6) planes.
  • Preheated CuS-TOP dispersion to enable phase transformation into djurleite Cu1.94S for enhanced cation exchange.
  • Cation exchange reaction kinetics were suppressed due to inhibited S–S bond splitting within the CuS nanoparticles.
  • High-quality wurtzite ZnS nanoparticles were generated after preheating and injecting CuS-TOP dispersion.
  • Wurtzite CdS nanoparticles with high crystallinity were produced under similar conditions.

Cite This Study

A 2026 study studied this question.

synapsesocial.com/papers/6a7d75e62b0e0cff3f63ece2https://doi.org/10.1021/acs.inorgchem.6c02552
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Pre-phase transition of a Cu 2− x S template enables polymorph selective synthesis of MS (M = Zn, Cd, Mn) nanocrystals via cation exchange reactions2023 · 8 citations
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  3. 3From Wurtzite Nanoplatelets to Zinc Blende Nanorods: Simultaneous Control of Shape and Phase in Ultrathin ZnS Nanocrystals2019 · 40 citations
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  5. 5Chemically Driven Crystal Phase Selective Transformation of Covellite CuS Nanocrystals2024 · 10 citations