3D core-shell MoS2 superspheres composed of oriented nanosheets with quasi molecular superlattices: Mimicked embryo formation and Li-storage properties

Feilong Gong, Lifang Peng, Huanzheng Liu, Yonghui Zhang, Dianzeng Jia, Shaoming Fang, Feng Li, Dongming Li

Research output: Contribution to journalArticle

Abstract

Monodispersed 3D core-shell superspheres consisting of oriented MoS2 nanosheets have been successfully synthesized on the large scale with a one-pot approach combining soft- and self-templated methods. Specifically, MoOx (x = 2-3) nanoclusters and MoS2 layers first self-assemble together with (CTAB)2Sy (y = 1 or 2) to form solid hybrids, MoOx-MoS2@(CTAB)2Sy spheres at 160 °C, and most of the MoOx nanoclusters then convert to MoO2 and 2H-MoS2 at 180 and 200 °C, respectively. 3D core-shell superspheres can be finally constructed with 2H/1T-MoS2 nanosheets with abundant O-dopants and defects at 220 °C. The expanded d-spacings of the (002) crystal plane reveal the formation of quasi molecular superlattices for partially intercalating (CTAB)2S molecules into 2D MoS2 nanosheets. The dynamic composition and nano/microstructural evolution of the materials in a one-pot reaction demonstrates a mimicked embryo formation based on in situ anion-exchange. The 3D core-shell superspheres can be applied to assemble anodes for lithium ion batteries (LIBs) with excellent performance, after being coated with reduced graphene oxide (RGO).

LanguageEnglish (US)
Pages18498-18507
Number of pages10
JournalJournal of Materials Chemistry A
Volume6
Issue number38
DOIs
StatePublished - Jan 1 2018

Fingerprint

Nanosheets
Superlattices
Nanoclusters
Graphite
Microstructural evolution
Oxides
Graphene
Anions
Ion exchange
Anodes
Negative ions
Doping (additives)
Defects
Crystals
Molecules
Chemical analysis
cetrimonium

ASJC Scopus subject areas

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

3D core-shell MoS2 superspheres composed of oriented nanosheets with quasi molecular superlattices : Mimicked embryo formation and Li-storage properties. / Gong, Feilong; Peng, Lifang; Liu, Huanzheng; Zhang, Yonghui; Jia, Dianzeng; Fang, Shaoming; Li, Feng; Li, Dongming.

In: Journal of Materials Chemistry A, Vol. 6, No. 38, 01.01.2018, p. 18498-18507.

Research output: Contribution to journalArticle

Gong, Feilong ; Peng, Lifang ; Liu, Huanzheng ; Zhang, Yonghui ; Jia, Dianzeng ; Fang, Shaoming ; Li, Feng ; Li, Dongming. / 3D core-shell MoS2 superspheres composed of oriented nanosheets with quasi molecular superlattices : Mimicked embryo formation and Li-storage properties. In: Journal of Materials Chemistry A. 2018 ; Vol. 6, No. 38. pp. 18498-18507.
@article{52f169db89194c82a5d7bafbcc522ac8,
title = "3D core-shell MoS2 superspheres composed of oriented nanosheets with quasi molecular superlattices: Mimicked embryo formation and Li-storage properties",
abstract = "Monodispersed 3D core-shell superspheres consisting of oriented MoS2 nanosheets have been successfully synthesized on the large scale with a one-pot approach combining soft- and self-templated methods. Specifically, MoOx (x = 2-3) nanoclusters and MoS2 layers first self-assemble together with (CTAB)2Sy (y = 1 or 2) to form solid hybrids, MoOx-MoS2@(CTAB)2Sy spheres at 160 °C, and most of the MoOx nanoclusters then convert to MoO2 and 2H-MoS2 at 180 and 200 °C, respectively. 3D core-shell superspheres can be finally constructed with 2H/1T-MoS2 nanosheets with abundant O-dopants and defects at 220 °C. The expanded d-spacings of the (002) crystal plane reveal the formation of quasi molecular superlattices for partially intercalating (CTAB)2S molecules into 2D MoS2 nanosheets. The dynamic composition and nano/microstructural evolution of the materials in a one-pot reaction demonstrates a mimicked embryo formation based on in situ anion-exchange. The 3D core-shell superspheres can be applied to assemble anodes for lithium ion batteries (LIBs) with excellent performance, after being coated with reduced graphene oxide (RGO).",
author = "Feilong Gong and Lifang Peng and Huanzheng Liu and Yonghui Zhang and Dianzeng Jia and Shaoming Fang and Feng Li and Dongming Li",
year = "2018",
month = "1",
day = "1",
doi = "10.1039/c8ta07165a",
language = "English (US)",
volume = "6",
pages = "18498--18507",
journal = "Journal of Materials Chemistry A",
issn = "2050-7488",
publisher = "Royal Society of Chemistry",
number = "38",

}

TY - JOUR

T1 - 3D core-shell MoS2 superspheres composed of oriented nanosheets with quasi molecular superlattices

T2 - Journal of Materials Chemistry A

AU - Gong, Feilong

AU - Peng, Lifang

AU - Liu, Huanzheng

AU - Zhang, Yonghui

AU - Jia, Dianzeng

AU - Fang, Shaoming

AU - Li, Feng

AU - Li, Dongming

PY - 2018/1/1

Y1 - 2018/1/1

N2 - Monodispersed 3D core-shell superspheres consisting of oriented MoS2 nanosheets have been successfully synthesized on the large scale with a one-pot approach combining soft- and self-templated methods. Specifically, MoOx (x = 2-3) nanoclusters and MoS2 layers first self-assemble together with (CTAB)2Sy (y = 1 or 2) to form solid hybrids, MoOx-MoS2@(CTAB)2Sy spheres at 160 °C, and most of the MoOx nanoclusters then convert to MoO2 and 2H-MoS2 at 180 and 200 °C, respectively. 3D core-shell superspheres can be finally constructed with 2H/1T-MoS2 nanosheets with abundant O-dopants and defects at 220 °C. The expanded d-spacings of the (002) crystal plane reveal the formation of quasi molecular superlattices for partially intercalating (CTAB)2S molecules into 2D MoS2 nanosheets. The dynamic composition and nano/microstructural evolution of the materials in a one-pot reaction demonstrates a mimicked embryo formation based on in situ anion-exchange. The 3D core-shell superspheres can be applied to assemble anodes for lithium ion batteries (LIBs) with excellent performance, after being coated with reduced graphene oxide (RGO).

AB - Monodispersed 3D core-shell superspheres consisting of oriented MoS2 nanosheets have been successfully synthesized on the large scale with a one-pot approach combining soft- and self-templated methods. Specifically, MoOx (x = 2-3) nanoclusters and MoS2 layers first self-assemble together with (CTAB)2Sy (y = 1 or 2) to form solid hybrids, MoOx-MoS2@(CTAB)2Sy spheres at 160 °C, and most of the MoOx nanoclusters then convert to MoO2 and 2H-MoS2 at 180 and 200 °C, respectively. 3D core-shell superspheres can be finally constructed with 2H/1T-MoS2 nanosheets with abundant O-dopants and defects at 220 °C. The expanded d-spacings of the (002) crystal plane reveal the formation of quasi molecular superlattices for partially intercalating (CTAB)2S molecules into 2D MoS2 nanosheets. The dynamic composition and nano/microstructural evolution of the materials in a one-pot reaction demonstrates a mimicked embryo formation based on in situ anion-exchange. The 3D core-shell superspheres can be applied to assemble anodes for lithium ion batteries (LIBs) with excellent performance, after being coated with reduced graphene oxide (RGO).

UR - http://www.scopus.com/inward/record.url?scp=85054391700&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85054391700&partnerID=8YFLogxK

U2 - 10.1039/c8ta07165a

DO - 10.1039/c8ta07165a

M3 - Article

VL - 6

SP - 18498

EP - 18507

JO - Journal of Materials Chemistry A

JF - Journal of Materials Chemistry A

SN - 2050-7488

IS - 38

ER -