Bioinspired Synthesis of Quasi-Two-Dimensional Monocrystalline Oxides

Wang, Yizhan; Shi, Yeqi; Zhang, Ziyi; Carlos, Corey; Zhang, Chenyu; Bhawnani, Karishma; Li, Jun; Wang, Jingyu; Voyles, Paul M.; Szlufarska, Izabela; Wang, Xudong

doi:10.1021/acs.chemmater.9b03307

Title: Bioinspired Synthesis of Quasi-Two-Dimensional Monocrystalline Oxides

Abstract

Controllable synthesis of two-dimensional (2D) monocrystalline oxide nanomaterials beyond van der Waals solids is intriguing but very challenging. Inspired by the biomineralization processes that commonly implement organic templates with both positive and negative charges for regulating the crystal nucleation and growth, we adapted mix-charges amphiphilic monolayer to the ionic layer epitaxy and enabled the growth of monocrystalline 2D nanosheets. In situ grazing incidence X-ray diffraction and ex situ crystal and elemental analyses revealed that mixing charge in the template is able to tune the 2D crystal nucleation rate and promote the growth of monocrystalline domains. Molecular dynamics simulations suggested that mixing charges could yield a stable, flatter, and more ordered monolayer template with a nonuniform distribution of charges, which are favorable for the growth of monocrystalline nanosheets. As a result, designing the mixed amphiphilic monolayers resulted in the creation of ultrathin nanosheets from various oxides including CoO, Bi₂O₃, MnO₂, and Fe₃O₄ as well as doped ones, opening up an opportunity to broaden the 2D nanomaterial family to functional oxides.

Authors:

^[1]; Shi, Yeqi ^[1];

^[1]; Carlos, Corey ^[1]; Zhang, Chenyu ^[1]; Bhawnani, Karishma ^[1];

^[1]; Wang, Jingyu ^[1];

^[1];

^[1]

Univ. of Wisconsin-Madison, WI (United States)

Publication Date:: 2019-10-11

Research Org.:: Univ. of Wisconsin-Madison, WI (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)

Contributing Org.:: ChemMatCARS Sector 15; Advanced Photon Source

OSTI Identifier:: 1635637

Grant/Contract Number:: FG02-08ER46547; AC02-06CH11357; DMR-1709025; NSF/CHE-1346572

Resource Type:: Accepted Manuscript

Journal Name:: Chemistry of Materials

Additional Journal Information:: Journal Volume: 31; Journal Issue: 21; Journal ID: ISSN 0897-4756

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; interfaces; crystallization; two dimensional materials; monolayers; surfactants

Citation Formats


                    Wang, Yizhan, Shi, Yeqi, Zhang, Ziyi, Carlos, Corey, Zhang, Chenyu, Bhawnani, Karishma, Li, Jun, Wang, Jingyu, Voyles, Paul M., Szlufarska, Izabela, and Wang, Xudong. Bioinspired Synthesis of Quasi-Two-Dimensional Monocrystalline Oxides.  United States: N. p., 2019. 
Web.  https://doi.org/10.1021/acs.chemmater.9b03307.

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                    Wang, Yizhan, Shi, Yeqi, Zhang, Ziyi, Carlos, Corey, Zhang, Chenyu, Bhawnani, Karishma, Li, Jun, Wang, Jingyu, Voyles, Paul M., Szlufarska, Izabela, & Wang, Xudong. Bioinspired Synthesis of Quasi-Two-Dimensional Monocrystalline Oxides.  United States.  https://doi.org/10.1021/acs.chemmater.9b03307

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                    Wang, Yizhan, Shi, Yeqi, Zhang, Ziyi, Carlos, Corey, Zhang, Chenyu, Bhawnani, Karishma, Li, Jun, Wang, Jingyu, Voyles, Paul M., Szlufarska, Izabela, and Wang, Xudong. Fri .  
"Bioinspired Synthesis of Quasi-Two-Dimensional Monocrystalline Oxides".  United States.  https://doi.org/10.1021/acs.chemmater.9b03307.  https://www.osti.gov/servlets/purl/1635637.

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@article{osti_1635637,

  title        = {Bioinspired Synthesis of Quasi-Two-Dimensional Monocrystalline Oxides},

  author       = {Wang, Yizhan and Shi, Yeqi and Zhang, Ziyi and Carlos, Corey and Zhang, Chenyu and Bhawnani, Karishma and Li, Jun and Wang, Jingyu and Voyles, Paul M. and Szlufarska, Izabela and Wang, Xudong},

  abstractNote = {Controllable synthesis of two-dimensional (2D) monocrystalline oxide nanomaterials beyond van der Waals solids is intriguing but very challenging. Inspired by the biomineralization processes that commonly implement organic templates with both positive and negative charges for regulating the crystal nucleation and growth, we adapted mix-charges amphiphilic monolayer to the ionic layer epitaxy and enabled the growth of monocrystalline 2D nanosheets. In situ grazing incidence X-ray diffraction and ex situ crystal and elemental analyses revealed that mixing charge in the template is able to tune the 2D crystal nucleation rate and promote the growth of monocrystalline domains. Molecular dynamics simulations suggested that mixing charges could yield a stable, flatter, and more ordered monolayer template with a nonuniform distribution of charges, which are favorable for the growth of monocrystalline nanosheets. As a result, designing the mixed amphiphilic monolayers resulted in the creation of ultrathin nanosheets from various oxides including CoO, Bi2O3, MnO2, and Fe3O4 as well as doped ones, opening up an opportunity to broaden the 2D nanomaterial family to functional oxides.},

  doi          = {10.1021/acs.chemmater.9b03307},

  journal      = {Chemistry of Materials},

  number       = 21,

  volume       = 31,

  place        = {United States},

  year         = {2019},

  month        = {10}

}

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Figure 1: Nanosheets synthesis under mixed surfactants with opposite charges. a, Layered structure of hexagonal aragonite platelets alternating with organic matrix in the nacreous layer of pearl and the schematic representation of protein surface structure with well-mixed positive (red) and negative (blue) charged amino acid residues directing the biomineralization ofmore »

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