Chemo- and Thermomechanically Configurable 3D Optical Metamaterials Constructed from Colloidal Nanocrystal Assemblies

Guo, Jiacen; Kim, Ji-Young; Zhang, Mingliang; Wang, Haonan; Stein, Aaron; Murray, Christopher B.; Kotov, Nicholas A.; Kagan, Cherie R.

doi:10.1021/acsnano.9b08452

Title: Chemo- and Thermomechanically Configurable 3D Optical Metamaterials Constructed from Colloidal Nanocrystal Assemblies

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Abstract

Nanofabrication has limited most optical metamaterials to 2D or, often with multiple patterning steps, simple 3D meta-atoms that typically have limited built-in tunability. Here, with a one-step scalable patterning process, we exploit the chemical addressability and structural adaptability of colloidal Au nanocrystal assemblies to transform 2D nanocrystal/Ti bilayers into complex, 3D-structured meta-atoms and to thermally direct their shape morphing and alter their optical properties. By tailoring the length, number, and curvature of 3D helical structures in each meta-atom, we create large-area metamaterials with chiroptical responses of as high as ~40% transmission difference between left-hand (LCP) and right-hand (RCP) circularly polarized light (ΔT = T_RCP – T_LCP) that are suitable for broadband circular polarizers and, upon thermally configuring their shape, switch the polarity of polarization rotation. Finally, these 3D optical metamaterials provide prototypes for low-cost, large-scale fabrication of optical metamaterials for ultrathin lenses, polarizers, and waveplates.

Authors:

^[1]; Kim, Ji-Young ^[2];

^[1];

^[3]; Murray, Christopher B. ^[1];

^[2];

^[1]

Univ. of Pennsylvania, Philadelphia, PA (United States)
Univ. of Michigan, Ann Arbor, MI (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN)

Publication Date:: Thu Dec 26 00:00:00 EST 2019

Research Org.:: Brookhaven National Lab. (BNL), Upton, NY (United States)

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

OSTI Identifier:: 1607984

Report Number(s):: BNL-213775-2020-JAAM
Journal ID: ISSN 1936-0851

Grant/Contract Number:: SC0012704

Resource Type:: Accepted Manuscript

Journal Name:: ACS Nano

Additional Journal Information:: Journal Volume: 14; Journal Issue: 2; Journal ID: ISSN 1936-0851

Publisher:: American Chemical Society (ACS)

Country of Publication:: United States

Language:: English

Subject:: 77 NANOSCIENCE AND NANOTECHNOLOGY; 3D nanofabrication; nanoimprint; chiral metamaterials; circular dichroism (CD); plasmonics; broadband circular polarizer; nanocrystal assembly

Citation Formats


                    Guo, Jiacen, Kim, Ji-Young, Zhang, Mingliang, Wang, Haonan, Stein, Aaron, Murray, Christopher B., Kotov, Nicholas A., and Kagan, Cherie R. Chemo- and Thermomechanically Configurable 3D Optical Metamaterials Constructed from Colloidal Nanocrystal Assemblies.  United States: N. p., 2019. 
Web.  doi:10.1021/acsnano.9b08452.

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                    Guo, Jiacen, Kim, Ji-Young, Zhang, Mingliang, Wang, Haonan, Stein, Aaron, Murray, Christopher B., Kotov, Nicholas A., & Kagan, Cherie R. Chemo- and Thermomechanically Configurable 3D Optical Metamaterials Constructed from Colloidal Nanocrystal Assemblies.  United States.  https://doi.org/10.1021/acsnano.9b08452

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                    Guo, Jiacen, Kim, Ji-Young, Zhang, Mingliang, Wang, Haonan, Stein, Aaron, Murray, Christopher B., Kotov, Nicholas A., and Kagan, Cherie R. Thu .  
"Chemo- and Thermomechanically Configurable 3D Optical Metamaterials Constructed from Colloidal Nanocrystal Assemblies".  United States.  https://doi.org/10.1021/acsnano.9b08452.  https://www.osti.gov/servlets/purl/1607984.

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@article{osti_1607984,

  title        = {Chemo- and Thermomechanically Configurable 3D Optical Metamaterials Constructed from Colloidal Nanocrystal Assemblies},

  author       = {Guo, Jiacen and Kim, Ji-Young and Zhang, Mingliang and Wang, Haonan and Stein, Aaron and Murray, Christopher B. and Kotov, Nicholas A. and Kagan, Cherie R.},

  abstractNote = {Nanofabrication has limited most optical metamaterials to 2D or, often with multiple patterning steps, simple 3D meta-atoms that typically have limited built-in tunability. Here, with a one-step scalable patterning process, we exploit the chemical addressability and structural adaptability of colloidal Au nanocrystal assemblies to transform 2D nanocrystal/Ti bilayers into complex, 3D-structured meta-atoms and to thermally direct their shape morphing and alter their optical properties. By tailoring the length, number, and curvature of 3D helical structures in each meta-atom, we create large-area metamaterials with chiroptical responses of as high as ~40% transmission difference between left-hand (LCP) and right-hand (RCP) circularly polarized light (ΔT = TRCP – TLCP) that are suitable for broadband circular polarizers and, upon thermally configuring their shape, switch the polarity of polarization rotation. Finally, these 3D optical metamaterials provide prototypes for low-cost, large-scale fabrication of optical metamaterials for ultrathin lenses, polarizers, and waveplates.},

  doi          = {10.1021/acsnano.9b08452},

  journal      = {ACS Nano},

  number       = 2,

  volume       = 14,

  place        = {United States},

  year         = {Thu Dec 26 00:00:00 EST 2019},

  month        = {Thu Dec 26 00:00:00 EST 2019}

}

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