Crystalline nanowires of Ln(2)O(2)S, Ln(2)O(2)S(2), LnS(2) (Ln = la, nd), and La2O2S : EU3+. Conversions via the boron-sulfur method that preserve shape

Huang YZ; Chen L; Wu LM

首页> 外文期刊>Crystal growth & design >Crystalline nanowires of Ln(2)O(2)S, Ln(2)O(2)S(2), LnS(2) (Ln = la, nd), and La2O2S : EU3+. Conversions via the boron-sulfur method that preserve shape

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Crystalline nanowires of Ln(2)O(2)S, Ln(2)O(2)S(2), LnS(2) (Ln = la, nd), and La2O2S : EU3+. Conversions via the boron-sulfur method that preserve shape

机译：Ln（2）O（2）S，Ln（2）O（2）S（2），LnS（2）（Ln = la，nd）和La2O2S的晶体纳米线：EU3 +。通过硼硫法进行的转化可保持形状

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Three different kinds of pure-phase nanowires of Ln(2)O(2)S, Ln(2)O(2)S(2), and LnS(2) with diameters of several tens of nanometers, similar to 20 nm for the La-series and similar to 30 nm for the Nd-series, and lengths of up to several micrometers have been successfully converted from the same starting Ln(OH)(3) (Ln = La or Nd) nanowires via a boron-sulfur method under mild conditions, 400-500 degrees C for 10 min or 24 h. The identity of the product is controlled by the reaction stoichiometry. The commercial red phosphor, La2O2S:Eu3+, that emits at 623 nm has also been obtained in the form of nanowires by this method. Such conversions are processes by which the morphology of the starting Ln(OH)(3) is well preserved. The phase characterizations and morphologies of the nanowires, key parameters of the synthetic conditions, the postulated conversion mechanism, and the luminescence properties are reported.

机译：Ln（2）O（2）S，Ln（2）O（2）S（2）和LnS（2）三种不同类型的纯相纳米线，其直径为几十纳米，对于20nm而言近似La系列，类似于Nd系列的30 nm，并且已经通过相同的起始Ln（OH）（3）（Ln = La或Nd）纳米线通过硼硫成功地转换了高达几微米的长度。在温和的条件下，于400-500摄氏度的温度下进行10分钟或24小时。产物的身份由反应化学计量控制。通过这种方法，还可以纳米线的形式获得在623 nm处发射的商业红色荧光粉La2O2S：Eu3 +。此类转化过程可很好地保留起始Ln（OH）（3）的形态。纳米线的相表征和形态，合成条件的关键参数，假定的转换机制和发光特性的报告。

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《Crystal growth & design》 |2008年第2期|共5页
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Huang YZ; Chen L; Wu LM;
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正文语种 eng
中图分类晶体学;
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SACRIFICING TEMPLATE ROUTE; DOPED YTTRIUM OXYSULFIDE; LANTHANIDE OXYSULFIDE; ROOM-TEMPERATURE; NANOTUBES; PHOSPHOR; NANOPARTICLES; NANOCRYSTALS; FLUORESCENCE; SULFIDES;

机译：牺牲模板路线;掺杂的三氧化二钇;硫化的镧系元素;室温;纳米管;磷;纳米颗粒;纳米晶;荧光;硫化物;

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Crystalline nanowires of Ln(2)O(2)S, Ln(2)O(2)S(2), LnS(2) (Ln = la, nd), and La2O2S : EU3+. Conversions via the boron-sulfur method that preserve shape

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