| 石墨多壳层形成物的离壳生长现象 |
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| 引用本文： | 王震遐,杨锦晴,王玟珉,俞国庆,阮美玲.石墨多壳层形成物的离壳生长现象[J].化学学报,1999,57(4):383-388. |
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| 作者姓名： | 王震遐 杨锦晴 王玟珉 俞国庆 阮美玲 |
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| 作者单位： | 1. 中国科学院原子核研究所,上海,201800
2. 中国科学院上海硅酸盐研究所高性能陶瓷和超微结构国家重点实验室,上海,200050 |
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| 摘 要： | 用高分辨透射电子显微镜(HRTEM)表征了在特定电弧放电条件下(碳阴极,钯管阳极)产生的石墨多壳层结构。看到了各种各样的,由多层石墨壳组成,大小从约2nm到20nm以上的多面体。对它们当中一些多面体所表现出来的自组装(self-assembly)"离壳生长"(out-of-shellgrowth)现象作了鉴定,并对其生长机制进行了讨论。
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| 关 键 词： | 石墨 透射电子显微术 纳米相材料 离壳生长 |
| 修稿时间： | 1998年5月25日 |
"Out-of-shell growth" of graphite multiwalled |
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| WANG Zhen-xia,Yang Jin-qing,WANG Wen-min,YU Guo-qing,RUAN Mei-Ling."Out-of-shell growth" of graphite multiwalled[J].Acta Chimica Sinica,1999,57(4):383-388. |
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| Authors: | WANG Zhen-xia Yang Jin-qing WANG Wen-min YU Guo-qing RUAN Mei-Ling |
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| Institution: | Inst Nucl Res., CAS.Shanghai(201800);Shanghai Inst Ceram., CAS. Shanghai(200050) |
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| Abstract: | High resolution transmission electron microscopy (HRTEM) was used to characterize the multiwalled graphitic shell structures which were found in the cathodic deposits produced under specific arc - discharge conditions (with carbon as cathode and a palladium tube filled with MoS2 as anode) . A variety of polyhedrons consisting of multiwalled graphitic shell of sizes ranging from - 2nm to more than 20nm was revealed. A novel phenomenon of "out -of- shell growth "of the self- assembled polyhedron was examined and the growth mechanism was discussed. |
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| Keywords: | arc - discharge of non - carbon anode carbon nanostructures out - of - shell growth |
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