近红外二区长波发射Na3YSi3O9:xCr3+硅酸盐及多格位占据光谱展宽OA北大核心CSTPCD
Long wavelength near-infrared Ⅱ emitting Na3YSi3O9:x Cr3+silicate and spectral broadening by multi-site occupancy
以Cr3+为激活剂的荧光粉被认为是目前最有可能实现商业化的近红外材料.但目前这类荧光粉的发射波长一般位于小于 850 nm的近红外一区,以Cr3+为激活剂实现近红外二区发射仍然具有挑战.本文采用普适的固相法制备了一系列Na3Y1-xSi3O9:x Cr3+硅酸盐荧光粉,利用Na3YSi3O9 硅酸盐属性及结构中多种适于Cr3+占据的八面体位点有效红移并展宽光谱.对样品的物相、晶体结构、微观形貌、光致发光、主发射峰衰减和热稳定性等进行了系统研究.结…查看全部>>
Phosphors-converted near-infrared LED(pc-NIR LED)possesses applications in various fields including food quality analysis,night vision,biomedical imaging,and biomedicine.The design and development of broadband near-infrared(NIR)phosphors with the required properties are of decisive significance for pc-NIR LED devices.The Cr3+doped phosphors are considered to be most promising near-infrared materials for commercialization.Broadband NIR luminescent materials d…查看全部>>
龚长帅;王建通;王渤文;薛绪岩;王雪娇
渤海大学化学与材料工程学院,锦州 121013渤海大学化学与材料工程学院,锦州 121013渤海大学化学与材料工程学院,锦州 121013渤海大学化学与材料工程学院,锦州 121013渤海大学化学与材料工程学院,锦州 121013
硅酸盐Cr3+宽带近红外多格位
silicateCr3+broadband near-Infraredmulti-sites
《物理学报》 2024 (15)
189-198,10
辽宁省教育厅自然科学基金(批准号:JYTMS20231627)和辽宁省科技厅自然科学基金(批准号:2020-MS-286)资助的课题.Project supported by the Natural Science Foundation of the Educational Department of Liaoning Province,China(Grant No.JYTMS20231627)and the Natural Science Foundation of Liaoning Provincial Department of Science and Technology,China(Grant No.2020-MS-286).
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