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碲化铋片式管的制备及性能研究
  • ISSN号：1007-1865
  • 期刊名称：广东化工
  • 时间：2013.4.30
  • 页码：1-2+7
  • 分类：O69[理学—化学]
  • 作者机构：[1]广东省测试分析研究所,广东广州510070, [2]北京航空航天大学,北京100083
  • 相关基金：国家自然科学基金项目（51172008）;“国家重大基础研究计划”（973计划）（2012CB933200）
  • 相关项目：碲化铋基热电薄膜中特殊晶面及界面的可控组装及其热电性能研究
作者： 钟晨晨|肖林平|杜泳怡|马艳芳|
关键词： 片式管, 碲化铋, 热电性能, 溶剂热法, sheet-tubes nanostructure, Bi2Te3： thermoelectric properties, solvothermal
中文摘要：

文章通过水热法先合成了碲纳米管，再以碲纳米管为前驱体通过溶剂热法，在乙二胺四乙酸二钠和强碱KOH的作用下，与氯化铋反应生成了具有异质结的碲化铋片式管，并发现若在合适的氢氧化钾浓度以及骤冷停止反应的条件下，碲化铋片式管可以断裂成单独的环状碲化铋纳米片以及较短的片式管。所得的碲化铋片式管与微米绒碲化铋粉末混合后进行SPS烧结制备成块体，其热导率与经SPS烧结的微米级碲化铋粉末相比下降了约12％。

英文摘要：

In the paper, the unique Bi2Te3 sheet-tubes were prepared by a simple solvothermal reaction in the presence of disodium EDTA and KOH, using Te nanotubes as the precursor obtained by hydrothermaI method. Under conditions of suitable alkali concentration and rapid cooling to stop reaction, the Bi2Tes sheet-tubes can be broken into separated ring nanosheets and shorter sheet-tubes. The bulk material was prepared by SPS sintering with micron Bi2Te3 powder mixing Bi2Te3 sheet-tubes. By adding the unique Bi2Te3 sheet-tubes, the thermal conductivity of the micron Bi2Te3 powder was reduced by about 12 %.

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碲化铋基热电薄膜中特殊晶面及界面的可控组装及其热电性能研究
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期刊信息
  • 《广东化工》
  • 主管单位:广东省广业科技集团有限公司
  • 主办单位:广东省石油化工研究院
  • 主编：邹思民
  • 地址：广州市越秀区越华路116号
  • 邮编：510030
  • 邮箱：gdcic200@163.com
  • 电话：020-83302517
  • 国际标准刊号：ISSN：1007-1865
  • 国内统一刊号：ISSN：44-1238/TQ
  • 邮发代号:46-211
  • 获奖情况:
  • 多年来多次获原化工部及现中国化工行业协会、广东...
  • 国内外数据库收录:
  • 美国化学文摘（网络版）
  • 被引量:25903