Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/146833
Title: 3D printing of transparent spinel ceramics with transmittance approaching the theoretical limit
Authors: Wang, Haomin
Liu, Li Ying
Ye, Pengcheng
Huang, Zhangyi
Ng, Andrew Yun Ru
Du, Zehui
Dong, Zhili
Tang, Dingyuan
Gan, Chee Lip
Keywords: Engineering::Materials
Issue Date: 2021
Source: Wang, H., Liu, L. Y., Ye, P., Huang, Z., Ng, A. Y. R., Du, Z., Dong, Z., Tang, D. & Gan, C. L. (2021). 3D printing of transparent spinel ceramics with transmittance approaching the theoretical limit. Advanced Materials, 33(15), 2007072-. https://dx.doi.org/10.1002/adma.202007072
Project: A1883c0009 
Journal: Advanced Materials 
Abstract: 3D printing of transparent ceramics has attracted great attention recently but faces the challenges of low transparency and low printing resolution. Herein, magnesium aluminate spinel transparent ceramics with transmittance reaching 97% of the theoretical limit have been successfully fabricated by stereolithography based 3D printing method assisted with hot isostatic press for the first time and the critical factors governing the transparency are revealed. Various transparent spinel lenses and microlattices have been printed at a high resolution of ~100-200 µm. The 3D printed spinel lens has demonstrated fairly good optical imaging ability and the printed Diamond microlattices as a transparent photocatalyst support for TiO2 have significantly enhanced its photocatalytic efficiency compared with opaque counterparts. Compared with the other 3D printed transparent materials such as silica glass and organic polymers, the printed spinel ceramics have the advantages of broad optical window, high hardness, excellent high-temperature stability and chemical resistance and therefore, have great potentials to be used in various optical lens/windows and photocatalyst support for the applications in harsh environment.
URI: https://hdl.handle.net/10356/146833
ISSN: 1521-4095
DOI: 10.1002/adma.202007072
Rights: This is the peer reviewed version of the following article: Wang, H., Liu, L. Y., Ye, P., Huang, Z., Ng, A. Y. R., Du, Z., Dong, Z., Tang, D. & Gan, C. L. (2021). 3D printing of transparent spinel ceramics with transmittance approaching the theoretical limit. Advanced Materials, 33(15), 2007072-. https://dx.doi.org/10.1002/adma.202007072, which has been published in final form at https://doi.org/10.1002/adma.202007072. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:TL Journal Articles

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