Monochromatic visible light "photoinitibitor": Janus-faced initiation and inhibition for storage of colored 3d images

Haiyan Peng; Shuguang Bi; Mingli Ni; Xiaolin Xie; Yonggui Liao; Xingping Zhou; Zhigang Xue; Jintao Zhu; Yen Wei; Christopher N. Bowman; Yiu Wing Mai

doi:10.1021/ja502366r

Monochromatic visible light "photoinitibitor": Janus-faced initiation and inhibition for storage of colored 3d images

Haiyan Peng, Shuguang Bi, Mingli Ni, Xiaolin Xie, Yonggui Liao, Xingping Zhou, Zhigang Xue, Jintao Zhu, Yen Wei, Christopher N. Bowman, Yiu Wing Mai

Research output: Journal article publication › Journal article › Academic research › peer-review

130 Citations (Scopus)

Abstract

Controlling the kinetics and gelation of photopolymerization is a significant challenge in the fabrication of complex three-dimensional (3D) objects as is critical in numerous imaging, lithography, and additive manufacturing techniques. We propose a novel, visible light sensitive "photoinitibitor" which simultaneously generates two distinct radicals, each with their own unique purpose-one radical each for initiation and inhibition. The Janus-faced functions of this photoinitibitor delay gelation and dramatically amplify the gelation time difference between the constructive and destructive interference regions of the exposed holographic pattern. This approach enhances the photopolymerization induced phase separation of liquid crystal/acrylate resins and the formation of fine holographic polymer dispersed liquid crystal (HPDLC) gratings. Moreover, we construct colored 3D holographic images that are visually recognizable to the naked eye under white light.

Original language	English
Pages (from-to)	8855-8858
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	136
Issue number	25
DOIs	https://doi.org/10.1021/ja502366r
Publication status	Published - 25 Jun 2014
Externally published	Yes

ASJC Scopus subject areas

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

More information

10.1021/ja502366r

Cite this

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abstract = "Controlling the kinetics and gelation of photopolymerization is a significant challenge in the fabrication of complex three-dimensional (3D) objects as is critical in numerous imaging, lithography, and additive manufacturing techniques. We propose a novel, visible light sensitive {"}photoinitibitor{"} which simultaneously generates two distinct radicals, each with their own unique purpose-one radical each for initiation and inhibition. The Janus-faced functions of this photoinitibitor delay gelation and dramatically amplify the gelation time difference between the constructive and destructive interference regions of the exposed holographic pattern. This approach enhances the photopolymerization induced phase separation of liquid crystal/acrylate resins and the formation of fine holographic polymer dispersed liquid crystal (HPDLC) gratings. Moreover, we construct colored 3D holographic images that are visually recognizable to the naked eye under white light.",

author = "Haiyan Peng and Shuguang Bi and Mingli Ni and Xiaolin Xie and Yonggui Liao and Xingping Zhou and Zhigang Xue and Jintao Zhu and Yen Wei and Bowman, {Christopher N.} and Mai, {Yiu Wing}",

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AU - Peng, Haiyan

AU - Bi, Shuguang

AU - Ni, Mingli

AU - Xie, Xiaolin

AU - Liao, Yonggui

AU - Zhou, Xingping

AU - Xue, Zhigang

AU - Zhu, Jintao

AU - Wei, Yen

AU - Bowman, Christopher N.

AU - Mai, Yiu Wing

PY - 2014/6/25

Y1 - 2014/6/25

N2 - Controlling the kinetics and gelation of photopolymerization is a significant challenge in the fabrication of complex three-dimensional (3D) objects as is critical in numerous imaging, lithography, and additive manufacturing techniques. We propose a novel, visible light sensitive "photoinitibitor" which simultaneously generates two distinct radicals, each with their own unique purpose-one radical each for initiation and inhibition. The Janus-faced functions of this photoinitibitor delay gelation and dramatically amplify the gelation time difference between the constructive and destructive interference regions of the exposed holographic pattern. This approach enhances the photopolymerization induced phase separation of liquid crystal/acrylate resins and the formation of fine holographic polymer dispersed liquid crystal (HPDLC) gratings. Moreover, we construct colored 3D holographic images that are visually recognizable to the naked eye under white light.

AB - Controlling the kinetics and gelation of photopolymerization is a significant challenge in the fabrication of complex three-dimensional (3D) objects as is critical in numerous imaging, lithography, and additive manufacturing techniques. We propose a novel, visible light sensitive "photoinitibitor" which simultaneously generates two distinct radicals, each with their own unique purpose-one radical each for initiation and inhibition. The Janus-faced functions of this photoinitibitor delay gelation and dramatically amplify the gelation time difference between the constructive and destructive interference regions of the exposed holographic pattern. This approach enhances the photopolymerization induced phase separation of liquid crystal/acrylate resins and the formation of fine holographic polymer dispersed liquid crystal (HPDLC) gratings. Moreover, we construct colored 3D holographic images that are visually recognizable to the naked eye under white light.

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Monochromatic visible light "photoinitibitor": Janus-faced initiation and inhibition for storage of colored 3d images

Abstract

ASJC Scopus subject areas

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