经过乙炔铜(Cu2C2)的氧化偶合反应,制得了α型和β型的线型碳.当加入KCN时,产物经红外光谱分析,其主要成分为α型线型碳;而当加入盐酸时,主要产物将是β型线型碳.而且,含铜量分别降至1.92 %和5 %.其中β型产品在250 ℃,常压下处理1.5 h,转变为α型;在氮气下(小于2.0 Mpa)热处理,β型线型碳有转化为粉末金刚石的迹象.本法成本低,而且制备过程短,与已报道的制备方法相比,可大大缩短合成周期.
参考文献
| [1] | 王世华,陈梓云,王茹.碳的线型同素异形体-卡宾（Carbyne）研究进展[J].新型炭材料,1999(01):73-79. |
| [2] | Kudryavsev Yu P;Heimann R B;Evsyukov S E .Review Carbynes:advances in the field of linear carbon chain compounds[J].Journal of Materials Science,1996,31:5557-5571. |
| [3] | Lebedev BV.;Zhogova KB.;Tsvetkova LY. .THERMODYNAMICS OF ALLOTROPIC MODIFICATIONS OF CARBON - SYNTHETIC DIAMOND, GRAPHITE, FULLERENE C-60 AND CARBYNE[J].Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems,1997(1/2):127-131. |
| [4] | 陈梓云,王茹,王世华.Cu（Ⅱ）催化氧化乙炔合成线型碳[J].四川大学学报(工程科学版),1999(01):42. |
| [5] | Cataldoi F .Synthesis of carbonaceous material rich in carbune,a carbon allotrope by coupling reaction of copper acetylide[J].European Journal of Solid State and Inorganic Chemistry,1997,34:53-63. |
| [6] | Bailar J C;Emeleus H J;Sir Ronald Nyholm.Comprehensive Inorganic Chemistry 3[M].Great Britain:A.Wheaton & Co.Exeter,1973 |
| [7] | Cataldo F .A study on the structure and electrical properties of the fourth carbon allotrope:carbyne[J].Polymer International,1997,44:191-200. |
| [8] | 成都科技大学无机化学教研组.无机化学[M].成都:成都科技大学出版社,1992:419-420. |
| [9] | 王大志;徐康;贾文波 等.纳米金刚石及其稳定性[J].无机材料学报,1995,10(03):281-287. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%