Ahn, Hak-Young Choi, Won Jun Lee, Seung Yong Ju, Byeong-Kwon Cho, So-Hye 2024-01-19T22:03:30Z 2024-01-19T22:03:30Z 2021-09-03 2018-08 0922-6168 https://pubs.kist.re.kr/handle/201004/121074 Most radiation from the human body belongs to the long-wavelength infrared region (mainly at wavelengths of 10-12 mu m), which allows infrared (IR) sensors to distinguish humans or animals in the dark. One of the important components of such IR sensors is the IR window, which requires high transparency in the infrared region. ZnS is a most desirable substance for such windows due to its high transparency and high thermal stability. Herein, we report a low-cost environmentally friendly synthesis method for ZnS powder and its sintering for use as window material. Using only elemental precursors, Zn and S, submicrometer-sized ZnS powder with high phase purity was obtained. Spark plasma sintering was applied to compact the ZnS powder, and the resulting ceramic was analyzed by scanning electron microscopy, Fourier-transform infrared spectroscopy, Raman spectroscopy, and X-ray diffraction. We also examined the effect of an additive during sintering and found that LiF functions well as a sintering aid for the ZnS compact. English SPRINGER PLASMA SINTERING SPS OPTICAL-PROPERTIES NANOPARTICLES MICROSTRUCTURE NANOCRYSTALS NANOPOWDERS TRANSITION MORPHOLOGY FACILE Mechanochemical synthesis of ZnS for fabrication of transparent ceramics Article 10.1007/s11164-018-3277-4 1 RESEARCH ON CHEMICAL INTERMEDIATES, v.44, no.8, pp.4721 - 4731 RESEARCH ON CHEMICAL INTERMEDIATES 44 8 4721 4731 scie scopus 000439954400012 2-s2.0-85040866718 Chemistry, Multidisciplinary Chemistry Article PLASMA SINTERING SPS OPTICAL-PROPERTIES NANOPARTICLES MICROSTRUCTURE NANOCRYSTALS NANOPOWDERS TRANSITION MORPHOLOGY FACILE Zinc sulfide (ZnS) Mechanochemical synthesis Spark plasma sintering Window material IR sensor Ceramics