From the journal:

Chemical Communications

Selective etching of binary nanoparticle superlattices via thermally induced asymmetric ligand evolution

Di Lei,a   Hao Wang,a   Ting Wang,a   Fangyue Wu,a   Ning Ding,a   Yajun Wang,*b   Tongtao Li*a  and  Angang Dong ORCID logo *a  

* Corresponding authors

a Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, China
E-mail: ttli@fudan.edu.cn, agdong@fudan.edu.cn

b College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325027, China
E-mail: yajunwang@wzu.edu.cn

Abstract

We report a method to selectively etch either component in NaYF4/Fe3O4 binary nanoparticle superlattices using a single etchant. Thermally-induced evolution of oleate ligands on the NaYF4 nanoparticles reverses their relative etching susceptibility in oxalic acid, yielding non-close-packed nanoparticle arrays with tunable architectures.

Graphical abstract: Selective etching of binary nanoparticle superlattices via thermally induced asymmetric ligand evolution

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Article information

DOI
https://doi.org/10.1039/D6CC00778C
Article type
Communication
Submitted
05 Feb 2026
Accepted
02 Mar 2026
First published
03 Mar 2026
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2026, Advance Article

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Selective etching of binary nanoparticle superlattices via thermally induced asymmetric ligand evolution

D. Lei, H. Wang, T. Wang, F. Wu, N. Ding, Y. Wang, T. Li and A. Dong, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D6CC00778C

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