采用催化化学气相沉积法(CCVD)制备了洋葱状富勒烯(OFs),借助高分辨透射电镜(HRTEM)观察和分析了其形貌结构.结果发现,以负载Co2+的Y型沸石为催化剂,C2H2为碳源,反应温度为700℃时,单位催化剂产炭率的质量分数为66%,其中洋葱状富勒烯的收率可达产炭率体积分数的20%以上;并认为OFs的生长机理为由内到外逐层石墨化的气固(VS)模式.
参考文献
| [1] | Kroto H W;Heath J R;O'Brien S C et al.C60: Buckminsterfullerene[J].Nature,1985,318:162-163. |
| [2] | Iijima S .Helical Microtubules of Griphitic Carbon[J].Nature,1991,354:56-58. |
| [3] | Ugarte D .Curling and closure of graphitic networks under electron-beam irradiation[J].Nature,1992,359:707-709. |
| [4] | 闫小琴,张瑞珍,卫英慧,市野濑英喜,许并社.富勒烯制备方法研究的进展[J].新型炭材料,2000(03):63-69. |
| [5] | 徐正,徐大鹏.富勒烯的化学和物理[J].新型炭材料,2001(04):79-80. |
| [6] | B.S.Xu;S.-I.Tanaka .Formation of giant onion-like fullerenes under Al nanoparticles by electron irradiation[J].Acta materialia,1998(15):5249-5257. |
| [7] | Xu B S;Jia H S;Zhou H F .Transformation of active carbon to onion-like fullerenes under electron beam irradiation[A].,2001,675 |
| [8] | Kratschmer W;Lamb L D;Foristopoulos K et al.Solid C60:a new form of carbon[J].Nature,1990,347:354-358. |
| [9] | Ugarte D .Morphology and structure of grphitic soot particles generated in arc-discharge C60 production[J].Chemical Physics Letters,1992,198(06):596-602. |
| [10] | 章海霞,王晓敏,王海英,刘旭光,许并社.电弧法制备洋葱状富勒烯的工艺研究[J].新型炭材料,2004(01):61-64. |
| [11] | 王海英,王晓敏,章海霞,许并社.电弧放电制备内包金属纳米洋葱状富勒烯的研究[J].材料热处理学报,2003(04):41-42. |
| [12] | 王晓敏,许并社,刘旭光,市野濑英喜.纳米金属微粒催化制备的洋葱状富勒烯的结构表征[J].新型炭材料,2004(03):209-213. |
| [13] | de Heer W A;Ugarte D .Carbon onions produced by heat treatment of carbon and their relation to 217.5nm interstellar absorption feature[J].Chemical Physics Letters,1993,207(4/6):480-485. |
| [14] | Chen XH.;Wang JX.;Yang HS.;Wu GT.;Zhang XB.;Peng JC.;Li WZ.;Deng FM. .New method of carbon onion growth by radio-frequency plasma-enhanced chemical vapor deposition[J].Chemical Physics Letters,2001(3-4):201-204. |
| [15] | Fonseca A.;Piedigrosso P.;Colomer JF.;Mukhopadhyay K. Doome R.;Lazarescu S.;Biro LP.;Lambin P.;Thiry PA.;Bernaerts D.;Nagy JB.;Hernadi K. .Synthesis of single- and multi-wall carbon nanotubes over supported catalysts[J].Applied physics, A. Materials science & processing,1998(1):11-22. |
| [16] | Zhang W D;Wen Y;Li J et al.Sythesis of vertically aligned carbon nanotubes films on silicon wafers by prolysis of ethylenediamine[J].Thin Solid Films,2002,422:120-125. |
| [17] | Z.P.Huang;D.Z.Wang;J.G.Wen;M.Sennett;H.Gibson;Z.F.Ren .Effect of nickel, iron and cobalt on growth of aligned carbon nanotubes[J].Applied physics, A. Materials science & processing,2002(3):387-391. |
| [18] | 杨子芹,沈曾民,陈晓红,查旭峰.Co催化热分解制备弯曲状碳纳米管的研究[J].新型炭材料,2000(02):34-38. |
| [19] | 雷中兴,刘静,王建波,李轩科,汪厚植.催化剂结构与形态对碳纳米管生长的影响[J].新型炭材料,2003(04):271-276. |
| [20] | Jiao J.;Seraphin S. .Single-walled tubes and encapsulated nanoparticles: comparison of structural properties of carbon nanoclusters prepared by three different methods[J].The journal of physics and chemistry of solids,2000(7):1055-1067. |
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