New insights into the formation of multi-core–shell mesoporous SnO2@SnS2 nanostructures

Kinga Michalec; Anna Kusior; Andrzej Mikuła; Marta Radecka

doi:10.1080/21663831.2021.1971785

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New insights into the formation of multi-core–shell mesoporous SnO2@SnS2 nanostructures

Original Report | 更新时间：2026-08-19

- New insights into the formation of multi-core–shell mesoporous SnO2@SnS2 nanostructures
- Materials Research Letters Vol. 9, Issue 10, Pages: 445-451(2021)
- 作者机构：
  
  Faculty of Materials Science and Ceramics AGH University of Science and Technology
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2021.1971785
  CLC：
- Online First：31 August 2021，
  
  Published：2021
- 稿件说明：
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Kinga Michalec, Anna Kusior, Andrzej Mikuła, et al. New insights into the formation of multi-core–shell mesoporous SnO2@SnS2 nanostructures[J]. Materials Research Letters, 2021, 9(10): 445-451.
DOI：

Kinga Michalec, Anna Kusior, Andrzej Mikuła, et al. New insights into the formation of multi-core–shell mesoporous SnO2@SnS2 nanostructures[J]. Materials Research Letters, 2021, 9(10): 445-451. DOI： 10.1080/21663831.2021.1971785.

摘要

Abstract

BSTRACTSnO

@SnS

multi-core–shell heterostructures were synthesised via chemical conversion of mesoporous raspberry-like SnO

nanocrystals. In the syntheses

different concentrations of a sulphide precursor (thioacetamide) were applied. The samples were analysed using scanning and high-resolution transmission electron microscopy

X-ray diffraction

Raman spectroscopy

energy-dispersive X-ray spectroscopy

and X-ray photoelectron spectroscopy. The results revealed the presence of surface defects (Sn

oxygen vacancies) on the raspberry-like surface

which play a crucial role in the chemical conversion reaction. With an increasing amount of thioacetamide

additional redox reactions occurred in the system (Sn

/Sn

−

). The highest precursor concentration led to the microstructural disintegration and phase composition change.

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