上转换发光材料
- 网络Upconversion luminescent material;up-converting phosphor
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Na2SiF6对Er~(3+),Yb~(3+)共掺杂上转换发光材料颗粒度的影响
Effect of Na_2SiF_6 on Particle of Up-Conversion Luminescence Material
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采用溶胶-凝胶法制备了ZrO2(CaO):Yb3+/Tm3+体系的上转换发光材料。
Using sol-gel prepared ZrO2 ( CaO ): Yb3 + / Tm3 + upconversion system materials .
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上转换发光材料及发光效率研究及展望
Research status and prospect of upconversion luminescence materials and luminescence efficiency
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上转换发光材料研究进展
The Progress of Research on Upconversion Luminescence Materials
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本文简要的概述了上转换发光材料的历史,现状及发展前景。
The history of upconversion luminescence recent progress and future prospect were reviewed in this dissertation .
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其较好的稳定性以及便利的制备手段使其成为上转换发光材料基质的良好选择。
Good stability and easy preparation make it a good choice as a matrix of upconversion luminescence material .
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稀土离子掺杂碲酸盐系统玻璃是一类应用前景良好的上转换发光材料。
Rare earth ions doped tellurite glasses are kinds of upconversion fluorescence materials which have good application prospect .
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本文阐述了上转换发光材料的特点、国内外发展现状及上转换理论。
The thesis expounds the features , current research situation at home and abroad , and up-conversion theory of up-conversion luminous materials .
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其中上转换发光材料在三维立体显示、红外辐射探测、商标激光防伪等领域具有广泛应用。
For examples , upconversion materials show extensively applications in three-dimensional displays , infrared radiation detectors , laser anti-counterfeiting brands and so on .
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贵金属和上转换发光材料在发光性能方面的相互作用的研究对于合成高效发光材料将具有重要的借鉴作用。
The research of interaction of luminescence properties between noble metal nanoparticles and fluorophore will have important reference value for synthetic high-efficiency luminescent materials .
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上转换发光材料是在长波长激发下,发出短波长的一种发光材料。
Up-conversion luminescence materials are one kind of light-emitting materials with the feature that emitting short wavelength photons after excited with long wavelength photons .
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稀土离子掺杂的上转换发光材料在红外探测、制冷、激光器件、三维立体显示等领域具有巨大的应用潜力。
Rare earth ion doped upconversion luminescent materials have great potential for applications in the field of infrared detection , cooling , laser device , three-dimensional display .
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近年来,由于上转换发光材料在各个领域里应用需求,所以上转换发光材料的研究成为固体发光领域的前沿和热点课题。
In recent years , the upconversion luminescence phosphors become a hot spot in the scope of solid state luminescence materials owing to the practical applications in various fields .
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综述了上转换发光材料、发光机制中的一些物理问题及影响发光效率的因素,并介绍了当前的研究现状。
Some physical issues on upconversion materials , upconversion mechanism and factors affecting the upconversion efficiency are systematically described . Present situation of the research on upconversion luminescence is also presented .
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它们大多属于稀土掺杂的无机材料。稀土离子掺杂的上转换发光材料在三维立体显示、红外辐射探测、商标激光防伪等领域有着广泛的应用前景,近年来已成为国内外发光材料的研究热点。
These up-conversion luminescence materials have been intensively studied due to their potential applications in many fields , such as three-dimensional displays , infrared radiation detectors , and laser anti-counterfeiting brands .
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制备了一种新型的上转换发光材料,它不仅具有较高的上转换发光效率,而且还避免了氟化物基质的缺点。
A kind of up-conversion luminescence material with new composition was prepared , the material not only has the higher up-conversion luminescence efficiency , but also avoids the defect of fluoride host material .
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稀土掺杂上转换发光材料由于在全固态激光器、生物探针、海底探测和三维立体显示等方面具有重要的应用价值而受到人们的广泛关注。
The study of rare-earth doping upconversion ( UC ) materials has attracted a great deal of attentions , owing to the important applications in solid-state lasers , bio-probes , undersea-probes and display devices so on .
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稀土离子具有稳定的化学性质,在紫外-可见-红外范围内都有丰富的能级,并且这些能级都具有较长的能级寿命,因此稀土离子非常适合作为上转换发光材料。
Rare-earth ions are suitable to be upconversion luminescent materials , for that they have stable chemical property , rich energy levels in the ultraviolet-visible - near infrared spectral region , and long lifetime of excited state .
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近年来,稀土硫氧化物因其具有较高的化学稳定性和热稳定性,是一种理想的发光材料,故在上转换发光材料领域得到很大的应用。
In recent years , the rare earth oxysulfide becomes a ideal luminescent material , because of chemical stability and thermal stability . So it gets a lot of application in the field of upconversion luminescence materials .
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探寻新型、高效的上转换发光材料(尤其上转换白光材料)以及合成具有球形形貌、良好分散性、高发光效率的水溶性上转换纳米晶是目前上转换发光研究的两个热点。
Seeking novel efficient upconversion luminescence materials ( especially white light upconversion materials ) and preparing upconversion nanocrystals with spherical morphology , favorable dispersity , high upconversion efficiency and good water-solubility are the hots of the upconversion luminescence researches .
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稀土离子掺杂的玻璃基上转换发光材料在红外探测、三维立体显示、短波长激光器、颜色显示和白光模拟等领域展现了巨大的应用潜力。
The Rare Earth ( RE ) doped up-conversion ( UC ) glassy materials exhibit considerable potential applications in infrared detection , three-dimension volumetric display , short wave solid-state lasers , color display , and white-light illumination and so on .
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因此,对上转换发光材料的实验和理论研究便成为目前高新材料的研究热点。
Therefore , the research of experiment and theory of nano-sized upconversion luminescence materials has become one of the hotspots in the research fields of advanced materials nowadays . It is the aim to find a suitable oxide as a doped matrix for rare-earth ions to get high up-conversion efficiency .
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红外上转换纳米发光材料的水热合成滤光器-光栅红外光谱仪
The hydrothermal synthesis of upconversion luminescence nanocrystalline powders
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上转换发光纳米材料已被广泛的应用在上转换激光器、生物医学等领域。
Up-conversion luminescent nano-materials have been widely used in up-conversion lasers , biomedical and other fields .
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综述了上转换激光和发光材料的一些体系,并就基质材料,敏化发光以及单一波长和双波长泵浦对发光的影响进行了进一步探讨。
Upconversion laser and luminescence systems were reviewed and the factors affecting luminescence including host materials , sensitized luminescence and single and dual wavelength pump were discussed .
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上转换激光和上转换发光材料的研究进展
Progress of Study on Upconversion Laser & Luminescence Materials
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作者通过调整基质材料,采用单掺杂、双掺杂和多掺杂、等方式,得到了几种蓝绿光上转换效率高的上转换发光材料,其荧光谱线较新颖,色比关系较特殊。
By adopting single doped , co-doped or triple-doped ways after adjusting the ingredients of host materials , the author has obtained several up-conversion materials with highly blue and green up-conversion efficiency as well as characteristic luminescence lines and peculiar relations of ratio of luminescence intensities .
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在紫外到近红外,Er3+具有丰富的发射能级,它作为激活离子可以实现高效率的上转换发光。因此研究Er3+掺杂的纳米上转换材料在发光材料的理论研究和实际应用中具有重要意义。
Er3 + ion is rich in emission level from ultraviolet to near infrared , efficient up-conversion luminescence can be achieved when Er3 + ion used as active ions . Therefore , the investigation of Er3 + doped up-conversion luminescence materials is important in the theoretical study and practical application .
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如何提高材料的上转换发光效率,增强其发光强度,成为上转换发光材料走向实际应用的关键。
The key point of application of nanocrystals is how to increase the efficiency of upconversion .
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但由于发光材料的上转换发光效率等问题,使其在更广阔的领域的发展受到限制,因此,对化学性质稳定、发光效率高的上转换发光纳米材料的研究是目前高新材料的研究热点。
However , up-conversion luminescence efficiency problems make the development restricted in the broader field , therefore , the study of nano-materials which contain high chemical stability and up-conversion luminous efficiency will be high-tech materials research focus .