3D printed O2 indicators.
3D printed O2 indicators.
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DOI：
10.1039/d0an00809e
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发表时间：
2020-05
期刊：
影响因子：
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通讯作者：
D. Yusufu;R. Han;A. Mills
中科院分区：
文献类型：
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作者：
D. Yusufu;R. Han;A. Mills
制备了一种含有O2敏感的发光体颜料铂(II)(五氟苯基)卟啉的聚合物长丝，涂覆在纳米二氧化硅颗粒上，即PtTFPP/SiO_2，然后在聚对苯二甲酸乙二酯支撑膜衬底上3D打印为O2敏感指示点(直径1 cm，厚度30μm)。分别用低密度聚乙烯(LDPE)和聚乳酸(PLA)制备了两种不同的长丝，分别用于制备3D打印PtTFPP/SiO_2/LDPE和PtTFPP/SiO_2/PLAO2敏感指示点，其动态范围分别为0-30%和0-400%O2。测量了这两个非常不同的指示点的O2响应特性，如灵敏度、响应时间和温度灵敏度，并与商用O2指示器、FOSPOR(Ocean Insight)和其他商用O2指示器的响应特性进行了比较。简要讨论了这种方法用于大规模生产O2指示点的潜力，以及它可以扩展到生产其他光学指示剂的可能性，例如用于氨或二氧化碳的指示剂。
A polymer filament, containing an O2-sensitive lumophore pigment, platinum(ii) (pentafluorophenyl) porphyrin coated onto nanoparticulate silica particles, i.e. PtTFPP/SiO2, is produced and used in a filament which is then 3D printed as O2-sensitive indicator dots (1 cm diameter, 30 μm thick) on a polyethylene terephthalate (PET) supporting film substrate. Two different filaments, prepared using the polymers, low density polyethylene (LDPE) and polylactic acid (PLA), respectively, are used to produce 3D printed PtTFPP/SiO2/LDPE and PtTFPP/SiO2/PLA O2-sensitive indicator dots, with dynamic ranges of 0-30% and 0-400% O2, respectively. The O2 response characteristics of these two, very different, indicator dots, such as sensitivity, response time and temperature sensitivity, are measured and compared with those of a commercial O2 indicator, FOSPOR (OceanInsight) and other commercial O2 indicators. The potential of this method for mass manufacture of O2 indicator dots and the likelihood that it can be extended to produce other optical indicators, such as those for ammonia or CO2, are discussed briefly.