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BCN化合物的合成与表征
引用本文:白锁柱,姚斌,黄保坤,张士晶,丁战辉,郭星原,周向东,苏文辉.BCN化合物的合成与表征[J].高等学校化学学报,2005,26(5):811-815.
作者姓名:白锁柱  姚斌  黄保坤  张士晶  丁战辉  郭星原  周向东  苏文辉
作者单位:1. 吉林大学物理学院,长春,130023;内蒙古民族大学化学学院,通辽,028043
2. 吉林大学物理学院,长春,130023;中国科学院国际材料物理中心,沈阳,110015
3. 吉林大学物理学院,长春,130023
4. 吉林大学物理学院,长春,130023;哈尔滨工业大学凝聚态科学与技术研究中心,哈尔滨,150001;中国科学院国际材料物理中心,沈阳,110015
基金项目:国家自然科学基金;高等学校博士学科点专项科研项目
摘    要:以石墨和六方氮化硼(h-BN)粉为原料,利用高能机械球磨和高温高压技术对BCN化合物的形成、结构及相变进行了研究.经120h球磨制备出BCN非晶体.在1400cm-1附近,BCN非晶有一宽化的强红外吸收峰,在740和1630cm-1附近观察到弱的红外吸收峰;在1330cm-1附近观察到一宽化的Raman散射峰.BCN非晶中B1s的结合能为191.9eV,C1s的结合能为284.9和286.8eV,N1s的结合能为398.3和400.5eV.将BCN非晶在4GPa和1473K下退火45min后转化为六方结构的BCN晶体,其晶格常数为a=0.2505nm,c=0.6664nm.其红外光谱特征吸收峰分别出现在1398,1103,1024,925和802cm-1.Raman散射峰分别出现在1328,1358,1582和1614cm-1.并对非晶BCN的形成和相转变机制进行了研究.

关 键 词:B—C—N  机械球磨  高温高压  拉曼光谱  红外光谱
文章编号:0251-0790(2005)05-0811-05
收稿时间:2004-07-06

Preparation and Characterization of BCN
BAI Suo-Zhu,YAO Bin,HUANG Bao-Kun,ZHANG Shi-jing,DING Zhan-Hui,GUO Xing-yuan,ZHOU Xiang-Dong,SU Wen-Hui.Preparation and Characterization of BCN[J].Chemical Research In Chinese Universities,2005,26(5):811-815.
Authors:BAI Suo-Zhu  YAO Bin  HUANG Bao-Kun  ZHANG Shi-jing  DING Zhan-Hui  GUO Xing-yuan  ZHOU Xiang-Dong  SU Wen-Hui
Institution:1. College of Physics, Jilin University, Changchun 130023, China;
2. Center for Condensed Matter Science and Technology, Harbin Institute of Technology, Harbin 150001, China;
3. International Center for Materials Physics, Chinese Academy of Sciences, Shenyang 110015, China;
4. Chemistry College, Inner Mongolia University for Nationalities, Tongliao 028043, China
Abstract:Formation, structure and phase transition of BCN compound were investigated by mechanical milling of mixture of graphite and hexagonal boron nitride or annealing the as-milled mixture at high temperature and high pressure. Amorphous BCN(a-BCN) was prepared by milling the mixture for 120 h. A broad and strong absorbed peak locating at 1 400 cm~(-1) and two weak peaks locating at 740 and 1 630 cm~(-1) respectively were observed in the infrared spectrum of the a-BCN, and a broad (Raman) scattering peak was found at 1 330 cm~(-1) in its Raman spectrum. The binding energies of the (a-BCN) are 191.9 eV for B_(1s), 284.9 and 286.8 eV for C_(1s), 398.3 and 400.5 eV for N_(1s), respectively. (A hexagonal) BCN(h-BCN) with lattice constants of a=0.250 5 nm, c=0. 666 4 nm was produced by annealing the a-BCN for 45 min at 1 473 K and 4 GPa. Its infrared absorbed peaks appeared at 1 398, 1 103, 1 024, 925 and 802 cm~(-1), respectively, and Raman scattering peaks are observed at 1 328, (1 358), 1 582 and 1 614 cm~(-1), respectively. The mechanisms of the formation and phase transition of the BCN compound are discussed.
Keywords:B-C-N
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