【调剂】北京石油化工学院2024年16个专业接受调剂
查看: 6039  |  回复: 140
【奖励】 本帖被评价132次,作者zxs1989增加金币 104.6

zxs1989

金虫 (著名写手)


[资源] 加州大学水浒分校Haddon在Acc Chem Res最新综述,关于石墨烯和碳纳米管

UCR的Robert Haddon教授曾首次预测并发现碱金属掺杂C60的超导性质,他也是纳米碳材料领域的大牛之一。在最新一期的Acc Chem Res上,他的小组发表了一篇名为Effect of Covalent Chemistry on the Electronic Structure and Properties of Carbon Nanotubes and Graphene的综述(Vol. 46, No. 1, 2013, 65-76),长达12页,内容非常有特色,基本上是围绕他本人研究组的三方面工作,参考文献仅53篇。不像一般的综述,涵盖面广而不精。虽然他的研究组也做应用研究,但是从本文可以看出其理论功底之深厚。
摘要如下:
In this Account, we discuss the chemistry of graphitic materials with particular reference to three reactions studied by our research group: (1) aryl radical addition, from diazonium precursors, (2) Diels–Alder pericyclic reactions, and (3) organometallic complexation with transition metals. We provide a unified treatment of these reactions in terms of the degenerate valence and conduction bands of graphene at the Dirac point and the relationship of their orbital coefficients to the HOMO and LUMO of benzene and to the Clar structures of graphene.

In the case of the aryl radical addition and the Diels–Alder reactions, there is full rehybridization of the derivatized carbon atoms in graphene from sp2 to sp3, which removes these carbon atoms from conjugation and from the electronic band structure of graphene (referred to as destructive rehybridization). The radical addition process requires an electron transfer step followed by the formation of a σ-bond and the creation of a π-radical in the graphene lattice, and thus, there is the potential for unequal degrees of functionalization in the A and B sublattices and the possibility of ferromagnetism and superparamagnetism in the reaction products.

With regard to metal functionalization, we distinguish four limiting cases: (a) weak physisorption, (b) ionic chemisorption, in which there is charge transfer to the graphitic structure and preservation of the conjugation and band structure, (c) covalent chemisorption, in which there is strong rehybridization of the graphitic band structure, and (d) covalent chemisorption with formation of an organometallic hexahapto-metal bond that largely preserves the graphitic band structure (constructive rehybridization). The constructive rehybridization that accompanies the formation of bis-hexahapto-metal bonds, such as those in (η6-SWNT)Cr(η6-SWNT), interconnects adjacent graphitic surfaces and significantly reduces the internanotube junction resistance in single-walled carbon nanotube (SWNT) networks. The conversion of sp2 hybridized carbon atoms to sp3 can introduce a band gap into graphene, influence the electronic scattering, and create dielectric regions in a graphene wafer. However, the organometallic hexahapto (η6) functionalization of the two-dimensional (2D) graphene π-surface with transition metals provides a new way to modify graphitic structures that does not saturate the functionalized carbon atoms and, by preserving their structural integrity, maintains the delocalization in these extended periodic π-electron systems and offers the possibility of three-dimensional (3D) interconnections between adjacent graphene sheets. These structures may find applications in interconnects, 3D-electronics, organometallic catalysis, atomic spintronics and in the fabrication of new electronic materials.









[ Last edited by zxs1989 on 2013-2-11 at 15:39 ]
回复此楼

» 本帖附件资源列表

» 收录本帖的淘贴专辑推荐

资源收集 先进材料 科研资料 石墨烯与碳纳米管
文献推荐 电化学电源、电源管理 石墨烯碳纳米管技术顶级参考 无机纳米材料
材料综述 石墨烯量子点 Graphene 高分子复合材料
碳相关(石墨烯,碳纳米管等) 纳米材料 实验分析方法 纳米材料(MECHANISM)
碳纳米管 低维碳材料—石墨烯等 感觉有用的帖子 复合材料相关
纳米 经典论文集

» 猜你喜欢

» 本主题相关商家推荐: (我也要在这里推广)

» 本主题相关价值贴推荐,对您同样有帮助:

已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
回帖支持 ( 显示支持度最高的前 50 名 )

cszsjtu

铁杆木虫 (正式写手)


真是太有才了。我还在纳闷水浒分校是哪里呢?
5楼2013-02-11 21:57:19
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

hdmei

木虫 (正式写手)


★★★ 三星级,支持鼓励

谢谢楼主的分享!

46楼2013-02-19 09:34:55
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
简单回复
2013-02-11 16:33   回复  
五星好评  顶一下,感谢分享!
2013-02-11 18:14   回复  
五星好评  顶一下,感谢分享!
baixy20104楼
2013-02-11 18:44   回复  
五星好评  顶一下,感谢分享!
2013-02-12 03:21   回复  
五星好评  顶一下,感谢分享!
lwg37楼
2013-02-13 14:03   回复  
五星好评  顶一下,感谢分享!
jackxun8楼
2013-02-13 22:31   回复  
五星好评  顶一下,感谢分享!
2013-02-14 06:28   回复  
五星好评  顶一下,感谢分享!
xldongcn10楼
2013-02-14 07:16   回复  
五星好评  顶一下,感谢分享!
2013-02-14 10:26   回复  
五星好评  顶一下,感谢分享!
aiang10712楼
2013-02-14 13:49   回复  
五星好评  顶一下,感谢分享!
yourmoon13楼
2013-02-14 14:07   回复  
五星好评  顶一下,感谢分享!
yangshu69214楼
2013-02-14 16:23   回复  
顶一下,感谢分享!
loioto15楼
2013-02-14 17:02   回复  
五星好评  顶一下,感谢分享!
rosyuu11116楼
2013-02-14 21:28   回复  
五星好评  顶一下,感谢分享!
Nananana17楼
2013-02-14 22:15   回复  
五星好评  顶一下,感谢分享!
xsm71318楼
2013-02-14 23:20   回复  
五星好评  顶一下,感谢分享!
wzwanglab19楼
2013-02-15 07:13   回复  
五星好评  顶一下,感谢分享!
zwj_201020楼
2013-02-15 09:13   回复  
五星好评  顶一下,感谢分享!
xjz_zjx21楼
2013-02-15 10:06   回复  
五星好评  顶一下,感谢分享!
bjfwjp22楼
2013-02-15 13:25   回复  
五星好评  顶一下,感谢分享!
04szdx23楼
2013-02-15 14:04   回复  
五星好评  顶一下,感谢分享!
songvv24楼
2013-02-15 14:38   回复  
五星好评  顶一下,感谢分享!
2013-02-15 16:15   回复  
五星好评  顶一下,感谢分享!
2013-02-15 16:22   回复  
五星好评  
Actor200627楼
2013-02-15 16:52   回复  
五星好评  顶一下,感谢分享!
spyan58128楼
2013-02-15 18:36   回复  
五星好评  顶一下,感谢分享!
chemphys29楼
2013-02-15 20:06   回复  
五星好评  顶一下,感谢分享!
songdaimin30楼
2013-02-16 07:51   回复  
五星好评  顶一下,感谢分享!
wmwnuclear31楼
2013-02-16 08:21   回复  
五星好评  顶一下,感谢分享!
wwei02040432楼
2013-02-16 08:57   回复  
五星好评  顶一下,感谢分享!
吓吓虫33楼
2013-02-16 09:07   回复  
五星好评  顶一下,感谢分享!
2013-02-16 11:21   回复  
五星好评  顶一下,感谢分享!
muxinjin35楼
2013-02-16 11:42   回复  
五星好评  顶一下,感谢分享!
2013-02-17 08:10   回复  
五星好评  顶一下,感谢分享!
fmbs11037楼
2013-02-17 11:02   回复  
五星好评  顶一下,感谢分享!
yzl43938楼
2013-02-17 11:09   回复  
三星好评  顶一下,感谢分享!
Ryland39楼
2013-02-17 11:25   回复  
五星好评  顶一下,感谢分享!
jsyczxh40楼
2013-02-17 12:04   回复  
五星好评  顶一下,感谢分享!
wmnick41楼
2013-02-17 20:17   回复  
五星好评  顶一下,感谢分享!
zhanglei0242楼
2013-02-17 22:29   回复  
五星好评  顶一下,感谢分享!
2013-02-18 17:43   回复  
五星好评  顶一下,感谢分享!
2013-02-19 08:24   回复  
五星好评  顶一下,感谢分享!
hyf101645楼
2013-02-19 09:12   回复  
五星好评  顶一下,感谢分享!
2013-02-19 09:49   回复  
五星好评  顶一下,感谢分享!
tianq0448楼
2013-02-19 10:21   回复  
五星好评  顶一下,感谢分享!
liogerrow49楼
2013-02-19 10:31   回复  
五星好评  顶一下,感谢分享!
asyw01058150楼
2013-02-19 10:57   回复  
五星好评  
相关版块跳转 我要订阅楼主 zxs1989 的主题更新
☆ 无星级 ★ 一星级 ★★★ 三星级 ★★★★★ 五星级
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[教师之家] 发现督导在听课,需要跟TA招呼示意吗?有同学看手机、课件有疏漏算大问题吗? +11 河西夜郎 2024-04-19 11/550 2024-04-23 15:01 by mylifecg
[教师之家] 博士论文被抄袭 +16 和尚敲小木鱼 2024-04-22 25/1250 2024-04-23 14:39 by groza
[基金申请] 颜宁:基础研究应顶天立地,立地即从需求端作为问题的出发点,立项背景就是面向真实需求 +10 zju2000 2024-04-18 10/500 2024-04-23 11:46 by 稻花香
[考博] 真的好想读博! +5 wangzhe_bs 2024-04-22 6/300 2024-04-23 11:00 by lizhiweiouc
[电化学] 有偿收购废弃锂硫电池 +3 汤圆喵 2024-04-19 5/250 2024-04-23 10:41 by Happy C
[育儿交流] 小孩7岁,上一年级,不自信,学习较差 10+11 ljaxida 2024-04-16 43/2150 2024-04-23 09:03 by ciompman
[教师之家] 刚博士毕业,入职普通一本高校 +16 保持肌肤 2024-04-20 16/800 2024-04-23 08:31 by zxf984
[论文投稿] 一直找不到审稿人 +4 lizhengke06 2024-04-21 5/250 2024-04-22 23:37 by topedit
[考博] 25申博记录贴 +6 我属驴核动力驴 2024-04-18 12/600 2024-04-22 15:50 by 诩雾
[公派出国] 東京大学 应用化学专业柳田研究室 招收修士/博士生 +4 蝶梦123 2024-04-19 4/200 2024-04-22 15:10 by liukang88j
[考博] 博士申请 +4 zhangxm0525 2024-04-17 11/550 2024-04-22 12:00 by zhangxm0525
[论文投稿] 研究光催化的,好中的三四区 20+3 sl.0117 2024-04-20 3/150 2024-04-22 09:53 by bobvan
[论文投稿] 编辑是选国外的好还是国内的好。 +8 lizhengke06 2024-04-20 8/400 2024-04-22 08:58 by cuiyunjian
[考研] 298求调剂 +10 孙大大@ 2024-04-17 11/550 2024-04-20 18:33 by 371122gyd
[考研] 312求调剂 +3 Leroic000 2024-04-19 3/150 2024-04-20 18:19 by xinaishan
[论文投稿] 一审一个审稿人,小修,会怎么样呀? +10 林师妹 2024-04-18 10/500 2024-04-20 18:08 by 肖虫家
[考博] 24/25读博求博导 +4 宝23 2024-04-16 4/200 2024-04-19 17:18 by wangzhe_bs
[有机交流] 紫外光谱 50+3 54胡 2024-04-17 3/150 2024-04-19 10:48 by Nanamiwww
[论文投稿] CCS Chemistry投稿求助 30+3 wfqtriumph 2024-04-17 4/200 2024-04-19 08:56 by Bletilla
[考研] 工学322,英语六级求调剂 +3 domax 2024-04-17 10/500 2024-04-17 21:25 by 东方花园小万
信息提示
请填处理意见