|
[×ÊÔ´]
£¨ÖƱ¸¹¤ÒÕ¼¯´ó³ÉÕߣ©ÂÛÕôÆûÏÝ»ñ£¨vapor trapping£©ÔÚµ¥²ãʯīϩÖƱ¸ÖеĽÇÉ«
±¾Ìû¾«Ñ¡6ƪÎÄÕ£¬½éÉÜÁËÒ»¸ö¼òµ¥µÄС¼¼ÇÉ£¨Ê¯Ó¢ÊԹܣ¬ÓÃÓÚÖ§³ÅͲ£¬ÔÚ¸ÃÌû×ÓÖУ¬ÓÖÒë×÷¡°Ê¯Ó¢ÊÔ¹ÜÔؾߡ±£©£¬À´´ïµ½ÖƱ¸¸ßÖÊÁ¿µ¥²ãʯīϩµÄÄ¿µÄ¡£Õâ·½±ãÈËÃÇÀûÓÃÕôÆûÏÝ»ñ£¨vapor trapping,Ò༴ʯӢÊÔ¹ÜÔؾߣ©ÔÚµÍѹCVDÖеÄÍ»ùµ×ÉÏÖƱ¸¸ßÖÊÁ¿µ¥²ãʯīϩ¡£
¸½¼þ 1 (( chemistry of materials 2013)) : 0101._ÂÛÕôÆûÏÝ»ñÔÚÍ»ùµ×Éϵģ¨µÍѹ»¯Ñ§ÆøÏà³Á»ý·¨£©Ê¯Ä«Ï©Éú³¤ÖеĽÇÉ«.pdf
¸½¼þ 2 (( chemistry of materials 2013)): 0102._ÂÛÕôÆûÏÝ»ñÔÚÍ»ùµ×Éϵģ¨µÍѹ»¯Ñ§ÆøÏà³Á»ý·¨£©Ê¯Ä«Ï©Éú³¤ÖеĽÇÉ«_esi.pdf
¸½¼þ 3 (( JPCC 2015)): 0201.»¯Ñ§ÆøÏà³Á»ýÖƱ¸Ê¯Ä«Ï©µÄÔ¤´¦Àí--ÔÚ¿ÕÆøÖÐÑõ»¯À´È¥³ý±íÃæµÄÓлúÎÛ×ÕÀ´ÒÖÖƵڶþ²ãµº×´µÄ²»´¿¶ÈµÄÐγÉ.pdf
¸½¼þ 4 (( JPCC 2015)): : 0202.»¯Ñ§ÆøÏà³Á»ýÖƱ¸Ê¯Ä«Ï©µÄÔ¤´¦Àí--ÔÚ¿ÕÆøÖÐÑõ»¯À´È¥³ý±íÃæµÄÓлúÎÛ×ÕÀ´ÒÖÖƵڶþ²ãµº×´µÄ²»´¿¶ÈµÄÐγÉ_ESI.pdf
¸½¼þ 5 ((RSC ADVANCES 2015)): : 0301.ÀûÓÃÔÚͱíÃæÎü¸½µÄÓлú·Ö×ÓÔÚÒ»²½ÇâÆøÍË»ðÖÐÖ±½ÓºÏ³Éʯīϩ.pdf
¸½¼þ 6 ((RSC ADVANCES 2015)): : 0302.ÀûÓÃÔÚͱíÃæÎü¸½µÄÓлú·Ö×ÓÔÚÒ»²½ÇâÆøÍË»ðÖÐÖ±½ÓºÏ³Éʯīϩ_ESI.pdf
¸½¼þ 7 ((JOURNAL OF MATERIAL SCIENCE 2016)): 04._review_CVD_growth_of_1D_and_2D_sp2_carbon_nanomaterials.pdf
¸½¼þ 8 ((NANO LETTERS 2011)): 0502.ÕôÆûÏÝ»ñÖƱ¸»¨°ê״ʯīϩ_ESI.pdf
¸½¼þ 9 : ((NANO LETTERS 2011)): 0501.ÕôÆûÏÝ»ñÖƱ¸»¨°ê״ʯīϩ.pdf
¸½¼þ 10 ((JACS 2011)): : 0601._£¨ÏÝ»ñ×÷Óõģ©Í¡°¿Ú´ü¡±ÖƱ¸µ¥¾§»¨°ê״ʯīϩ.pdf
С½á£º
£¨ÔÚµÍѹ»¯Ñ§ÆøÏà³Á»ý£¬Í»ùÌåϵÏ£©£¬Ê¯Ó¢ÊÔ¹ÜÔؾߣ¨½«Í²ÖÃÈëÆäÖУ¬¶þÕßÒ»Æð·ÅÈë¯Ì壩±íÏÖ³öÁËÁîÈË̾Ϊ¹ÛÖ¹µÄÍêÃÀÖƱ¸£¬ÆäÔÚ´ó³ß´ç£¨ÀåÃ×¼¶£©ÉϾùÔÈÍêÕû£¬ÔÚ΢¹Û½á¹¹ÉÏ£¬¾ùÒ»¿É¿Ø¡£
ÓëÍ¡°¿Ú´ü¡±Ïà±È½Ï£¬¶þÕßÔÀíÏàͬ£¬¶¼ÊÇÀûÓÃÏÝ»ñµÄ̼ԴÕôÆû»òÍÕôÆû£¬À´½øÐнüËÆÎÈ̬µÄʯīϩÉú³¤£¬¼´±ÜÃâ¸ßËÙÆøÁ÷µÄÈŶ¯£¬À´´ïµ½¾ùÔÈ¿É¿ØÖƱ¸Ê¯Ä«Ï©µÄÄ¿µÄ¡£
È»¶ø£¬Ê¯Ó¢ÊÔ¹ÜÔؾߣ¬ÓëÍ¡°¿Ú´ü¡±Ïà±È£¬ÓÐ×ų¬ºõÏëÏóµÄÓŵ㡣
ÆäÒ»£¬Ê¯Ó¢ÊÔ¹ÜÔؾߣ¬ÄÜÓÐЧÀûÓÃͲ±íÃæ¡£ÓÃËüÉú³¤µÄʯīϩ£¨Í²£©£¬¿ÉÀûÓÃÂÊΪ100%£»¶øÍ¿Ú´üµÄ¿ÉÀûÓÃÂÊÔÚ60%×óÓÒ£¨Æä±ßÔµÉÏÄóµÄ·â¿Ú£¬ÊǷǾùÒ»µÄ³Äµ×£¬ÒªÆúÓã©¡£
Æä¶þ£¬Ê¯Ó¢ÊÔ¹ÜÔؾߣ¬¾ßÓи߶ȵĿÉÖظ´ÐÔ¡£ÒòΪʯӢÊÔ¹ÜÔؾߣ¬Æä³ß´ç¹Ì¶¨£¬¿ª¿Ú³¯Ïò¹Ì¶¨£¬Ã¿´ÎʵÑ鶼Êǹ̶¨µÄÉú³¤»·¾³£¬ÈËÓëÈ˵IJÙ×÷²îÒì²»´ó¡£¶øÍ¿Ú´ü£¬ÓÉÓÚÒÀÀµÈ˹¤ÄóºÏ±ß½ç£¬¾ßÌ嵽ÿ¸öÈ˵ÄÁ¦¶È²»Ò»£¬Æä±ßÔµµÄ½ôʵ³Ì¶È²»Ò»£¬»áÔì³ÉÉú³¤¹ý³ÌÖУ¬¿Ú´üÄÚ²¿µÄÆøѹµÈÒòËصIJ»¿É¿Ø£¬¶øÔì³ÉÁ˸öÌåÎó²î£¬²»Ò×ÓÚÖظ´ÊÔÑ飨Îȶ¨²ÎÊý£©¡£
ÆäÈý£¬Ê¯Ó¢ÊÔ¹ÜÔؾߣ¬¿ÉÒÔÓÐЧµÄ½ÚԼʵÑéʱ¼ä£¬Ëõ¶ÌʵÑéÖÜÆÚ¡£Æä¼òµ¥¸ßЧ£¬½«Í²Ìõ×´£¬·ÅÈëÊÔ¹ÜÖУ¬ÒÆÈë¸ßίÌ壬¼´¿É½øÐÐÉú³¤¡£¶ø·´¹ÛÍ¿Ú´ü£¬ÆäÄóºÏ¹ý³Ì£¬¸ß¶ÈÒÀÀµÈ˹¤£¬ºÄ·Ñ´óÁ¿È˵ľ«Á¦£¬²»ÀûÓÚ¿ÆÑйý³Ì¡£
×ÛÉÏËùÊö£¬Ê¯Ó¢ÊÔ¹ÜÔؾߣ¬×÷Ϊһ¸ö¸ßЧ¡¢¼òµ¥¡¢Îȶ¨µÄʵÑé²½Ö裬¿ÉÒÔÌá¸ßͲµÄÀûÓÃÂÊ£¬Ìá¸ßʵÑé²ÎÊýµÄ¿ÉÖظ´ÐÔ£¬¿ÉÒÔÓÐЧµÄ½ÚÔ¼¿ÆÑÐʱ¼ä¡£Ê¯Ó¢ÊÔ¹ÜÔؾߣ¬ÊÇÒ»¸öÖƱ¸Ê¯Ä«Ï©µÄºÃ»ï°é£¬ÊÇÉÕ¯×ÓͬѧÃǵĺðïÊÖ¡£
Õâ6ƪÎÄÕµĸ½¼þ£¬Çë¼û£¬ÔÚÎÄÕÂĩβ¡£
£¨ÎÄÕÂ1£©
On the Role of Vapor Trapping for Chemical Vapor Deposition (CVD) Grown Graphene over Copper
×÷Õß
Mark H Rümmeli, Sandeep Gorantla, Alicja Bachmatiuk, Johannes Phieler, Nicole Geißler, Imad Ibrahim, Jinbo Pang, Jürgen Eckert
·¢±íÈÕÆÚ
2013/12/10
ÆÚ¿¯
Chemistry of Materials
¾íºÅ
25
ÆÚºÅ
24
Ò³Â뷶Χ
4861-4866
³ö°æÉÌ
American Chemical Society
¼ò½é
The role of sample chamber configuration for the chemical vapor deposition of graphene
over copper was investigated in detail. A configuration in which the gas flow is unrestricted
was shown to lead to graphene with an inhomogeneous number of layers (between 1 and
3). An alternative configuration in which one end of the inner tube (in which the sample is
placed) is closed so as to restrict the gas flow leads a homogeneous graphene layer
number. Depending on the sample placement, either homogeneous monolayer or bilayer
ÕôÆûÏÝ»ñÔÚʯīϩÉú³¤ÖеĽÇÉ«
ÕªÒª£¨1£©
±¾ÎÄϸÖµÄÑо¿ÁËÁ½ÖÖͲµÄÖ§³ÅÔؾߣ¨Á½¶ËȫͨµÄʯӢµ¼¹Ü£¬»òÕßÒ»¶Ëµ¼Í¨ÒÔ¼°ÁíÒ»¶Ë·â±ÕµÄʯӢÊԹܣ©ÔÚµÍѹ»¯Ñ§ÆøÏà³Á»ý·¨Ê¯Ä«Ï©Éú³¤ÖеĽÇÉ«¡£ÈËÃÇÒѾ·¢ÏÖ£¬ÀûÓÃÁ½¶ËȫͨʯӢ¹Ü×÷Ϊ֧³ÅÔؾߵĻ°£¬Í»ùµ×ÉÏ»áÐγɲ»¾ùÔÈ·Ö²¼µÄµ¥²ã£¬Á½²ãµ½Èý²ãµÄʯīϩ±¡Ä¤¡£¶øʹÓÃÒ»ÖָĽøµÄÖ§³ÅÔؾߣ¬¼´Ê¯Ó¢ÊԹܣ¨Ò»¶Ë¿ª¿Ú£¬ÁíÒ»¶Ë·â±Õ£©£¬ÈËÃÇ¿ÉÒԺϳɾùÒ»µ¥²ãµÄʯīϩ¡£¶ø»ùÓÚͲÔÚʯӢÊÔ¹ÜÖеİڷÅλÖ㨿¿½ü¿ª¿Ú¶Ë£¬»òÕßÔ¶À뿪¿Ú¶Ë£©£¬¾ùÒ»µÄµ¥²ãʯīϩ»òÕß¾ùÒ»µÄË«²ãʯīϩÔÚ±¾ÎÄÖУ¬µÃÒԺϳɡ£
±¾ÎĵÄÊý¾ÝÏÔʾ£¬¾Ö²¿µÄÉú³¤Ìõ¼þ£¨Ì¼Ô´Å¨¶È·Ö²¼£¬º¬Ì¼ÆøÌåµÄÏÝ»ñ£¬ÍÕôÆûµÄÏÝ»ñ£©¶Ôʯīϩ²ãÊýµÄ¾ùÔÈÐÔÆðµ½Ò»¶¨µÄ×÷Óá£Ò༴£¬½üËƾ²Ì¬Æ½ºâµÄÆøÌåÌõ¼þ£¬²»½öʹʯīϩµÄ²ãÊýµÃÒÔ¾ùÒ»µÄ¿ØÖÆ£¬¶øÇÒÌá¸ßÁËʯīϩµÄÖÊÁ¿£¨½µµÍÁËȱÏÝ£©¡£Ò»ÑÔÒÔ±ÎÖ®£¬±¾ÎÄÂÛÖ¤ÁËÕôÆûÏÝ»ñ·½·¨£¬ÏÝ»ñÁËÍÕôÆû£¨´Ù½øÁË̼Դ·Ö½â£¬´Ó¶øÌá¸ßÁË̼ԴµÄŨ¶È£©£¬Õâ¶Ô¿ØÖÆʯīϩµÄ²ãÊýºÍÌá¸ßʯīϩµÄÖÊÁ¿ÖÁ¹ØÖØÒª¡£
½áÓ1£©
±¾ÎÄÑо¿Á˾ֲ¿Éú³¤»·¾³£¬£¨Ò༴ͻùµ×µÄʯӢÔؾߺͻ·×´Í»ùµ×µÄÄÚÍâ±íÃ棩£¬¶ÔÍ»ùµ×ÉϽøÐеÍѹ»¯Ñ§ÆøÏà³Á»ý·¨ÖƱ¸µÄʯīϩµÄÓ°Ï졣ͻùµ×µÄʯӢÔؾßÒÔ¼°Í»·µÄÄÚÍâ±íÃ棬¶¼¶ÔʯīϩµÄ²ãÊý¹¹³ÉÓ°Ïì¡£ÔÚÁ½¶Ëµ¼Í¨µÄʯӢµ¼¹ÜÖУ¬£¨Ì¼Ô´ÆøÁ÷ûÓеõ½ÏÞÖÆ»òÒÖÖÆ£©£¬Éú³¤µÄʯīϩ²ãÊý²»¾ùÒ»£¬´Óµ¥²ãµ½Èý²ã¶¼ÓС£¶øÒ»¶Ë·â±ÕÁíÒ»¶Ëµ½´¦µÄʯӢÊÔ¹ÜÖУ¬Ê¯Ä«Ï©²ãÊý¿ÉÒÔ¿ØÖÆΪµ¥²ã£¨Í»·µÄÄڲࣩ£¬»òÕßË«²ã£¨Í»·µÄÍâ²à£©¡£
±¾ÎĵÄÊý¾ÝÏÔʾ£¬¾Ö²¿Éý»ªµÄÍÕôÆûºÍ̼ԴÆøÌåµÄÁ÷ËÙÕâÁ½Õߵķֲ¼±ä»¯£¬»áÓ°ÏìʯīϩµÄ²ãÊýÒÔ¼°ÖÊÁ¿¡£ÕâÊÇÒòΪËüÃǶþÕßÓ°ÏìÁË̼ԴÆøÌåµÄλÖ÷ֲ¼£¬½ø¶øÓ°Ïì»î»¯Ì¼Ô´µÄŨ¶È¡£ÓëÇ°È˹¤×÷Ò»Ö£¬¸ß̼ԴŨ¶È»áµ¼ÖÂË«²ãʯīϩÉú³¤¡£¶ø±¾ÎĽøÒ»²½µÄÖ¸³ö£¬Í¨¹ýÏÞÖÆÆøÁ÷À´½¨Á¢Ò»¸ö½üËÆƽºâµÄÆøÌ幩Ӧ£¬ÈËÃÇ¿ÉÒÔ´ïµ½¸üÓÐЧµÄ¼×Íé̼ԴµÄÁѽ⣬´Ó¶ø£¬µÃµ½¸ü¸ßÖÊÁ¿µÄʯīϩ¡£±¾ÎÄÇ¿µ÷ÁËͲÔؾßÒÔ¼°»·×´Í²µÄ·ÅÖ÷½Ê½£¬¶Ô¿ØÖÆʯīϩ²ãÊý£¬ÒÔ¼°¼×ÍéÓÐЧÁѽâµÄÖØÒªÐÔ¡£
ͼƬ1
Á½ÖÖͲÔؾߵÄʾÒâͼ
£¨ÉÏ£©Ê¯Ó¢ÊԹܣ¬Ò»¶Ëµ¼Í¨£¬Ò»¶Ë·â±Õ£»ÆøÁ÷´Ó·â±Õ¶ËÁ÷Ïò¿ª¿Ú¶Ë£»
£¨Ï£©Ê¯Ó¢µ¼¹Ü£¬Á½¶Ë¾ùµ¼Í¨£»ÆøÁ÷´Óµ¼¹ÜÄÚ²¿Á÷¹ý¡£
Ͳ£¨´ÓÌõ×´£©¾íÇú¶ø³ÉµÄ»·×´£¬·ÅÖÃÓÚÔؾߵĽüÆøÁ÷¶Ë£¬ºÍÔ¶ÆøÁ÷¶Ë¡£
ͼƬ2
ʯīϩ²ãÊýµÄͳ¼Æ£»
»ùÓÚÁ½ÖÖÔؾߣ¬ÒÔ¼°Í²µÄ·ÅÖ÷½Ê½(Í»·µÄÄÚ²àºÍÍ»·µÄÍâ²à)¡£
ͼƬ3
ʯīϩÖÊÁ¿µÄͳ¼Æ£»
λÖÃ1 £¨ÊԹܵĽüÆøÁ÷¶Ë£©±ÈλÖÃ2£¨ÊԹܵÄÔ¶ÆøÁ÷¶Ë£©£¬Ê¯Ä«Ï©ÖÊÁ¿Òª¸ß£¨G/D¸ß£©
ͼƬ4
תÒƵÄʯīϩ£º¹âѧÏÔ΢ÕÕƬ£¬ÒÔ¼°É¨Ãæµç×ÓÏÔ΢¾µÕÕƬ¡£¸ß·Å´ó±¶ÊýµÄSEMÏÔʾµ¥²ã£¬¶þ²ãµ½Èý²ãµÄ±ä»¯£¨¸ü°µµÄ¶Ô±È¶ÈΪ¸ü¸ß²ãÊý£©¡£
ͼƬ5
ÀÂümap 2D FWHMÏÔʾµ¥²ã£¬¶þ²ãÒÔ¼°Èý²ãµÄ²ãÊý±ä»¯¡£
ͼƬ6
¸ß·Ö±æÂʵÄTEMÏÔʾµ¥²ãºÍË«²ã£¨AB bernal ¶Ñ¶âµÄ£©Ê¯Ä«Ï©¡£
ͼƬ7
¸ß·Ö±æÂʵÄTEMÏÔʾ˫²ã£¨AB bernal¶Ñ¶âµÄºÍÓнǶÈÐýת¶Ñ¶âµÄ£©Ê¯Ä«Ï©¡£
ͼƬ8
̼ԴŨ¶ÈÑØ×ůÌ峤¶È·½ÏòÉϵģ¨Ïà¶ÔͲÔؾߵģ©Ìݶȷֲ¼µÄ¹À¼Æ¡£
£¨ÎÄÕÂ2£©
Oxidation as a Means to Remove Surface Contaminants on Cu Foil Prior to Graphene Growth by Chemical Vapor Deposition
×÷Õß
Jinbo Pang, Alicja Bachmatiuk, Lei Fu, Chenglin Yan, Mengqi Zeng, Jiao Wang, Barbara Trzebicka, Thomas Gemming, J¨¹rgen Eckert, Mark H R¨¹mmeli
·¢±íÈÕÆÚ
2015/5/20
ÆÚ¿¯
The Journal of Physical Chemistry C
³ö°æÉÌ
American Chemical Society
¼ò½é
One of the more common routes to fabricate graphene is by chemical vapor deposition
(CVD). This is primarily because of its potential to scale up the process and produce large
area graphene. For the synthesis of large area monolayer Cu is probably the most popular
substrate since it has a low carbon solubility enabling homogenous single-layer sheets of
graphene to form. This process requires a very clean substrate. In this work we look at the
efficiency of common pre-treatments such as etching or wiping with solvents and compare
»¯Ñ§ÆøÏà³Á»ý·¨ÊÇÖƱ¸Ê¯Ä«Ï©×î³£Óõķ½·¨Ö®Ò»¡£Ê×ÒªÔÒòÔÚÓÚCVD·¨¿ÉÒÔºÜÈÝÒ×µÄÉý¼¶Îª´ó¹æÄ£ÖƱ¸£¬¶ø»ñÈ¡´óÃæ»ýµÄʯīϩ¡£ÔÚ´óÃæ»ýµ¥²ãʯīϩµÄºÏ³ÉÉÏ£¬Í²ÊÇ×î³£ÓõĻùµ×¡£ÒòΪÍÔÚ¸ßÎÂÏ£¬Óнϵ͵Ä̼Èܽâ¶È£¬´Ó¶øÄÜÈ·±£¾ùÒ»µÄµ¥²ãʯīϩ±¡Ä¤µÄÐγɡ£Õâ¸ö¹¤ÒÕÐèÒªÒ»¸öÌرð¸É¾»µÄÍ»ùµ×¡£±¾ÎÄÑо¿ÁËͨÓõÄÇå½à¼¼Êõ£¬ÀýÈçÓÃÈܼÁµÄ²ÁÊûòÕß¿ÌÊ´£»²¢ÓëÒ»ÖÖÐÂÐ͵ÄÏÈÑõ»¯ºó»¹ÔµÄÇå½à¼¼Êõ×ö¶Ô±È¡£±¾ÎÄÏÔʾ£¬ÏÈÑõ»¯ºó»¹ÔµÄ¹ý³Ì£¬ÊÇÌرðÓÐЧµÄÇå½à·½·¨¡£ÕâÖÖ·½·¨£¬ÒÖÖÆÁ˶þ²ãµº×´Ê¯Ä«Ï©µÄ²úÉú; ÕâÖÖ²»´¿µÄ¶þ²ãµº×´Ê¯Ä«Ï©£¬Æä̼ԴÀ´×ÔÓÚͲ±íÃæÉϵÄÓлúÎÛȾÎÆäÐγɹý³ÌÊÇÔÚÇâÆø»¹Ô¹ý³Ì£¨ÏÈÓÚ»¯Ñ§ÆøÏà³Á»ý¹ý³Ì£©ÖвúÉúµÄ¡£±¾Çå½à¹ý³Ì£¬¿ÉÒÔÓÐЧµÄÓÃÀ´È·±£´óÃæ»ý¾ùÔȵ¥²ãʯīϩµÄºÏ³É¡£
±¾ÎÄÑо¿ÁË5ÖÖ³£Óõģ¨ÏÈÓÚ»¯Ñ§ÆøÏà³Á»ýµÄ£©Ô¤´¦Àí²½Öè¶ÔÇå½àͱíÃæµÄЧ¹û¡£ÕâЩԤ´¦Àí¹ý³Ì±»ÓÃÀ´ÇåÀíÍ»ùµ×µÄÓлúÎÛȾÎï¡£ÈýÖÖ´¦Àí¹ý³Ì£¨ÎÞÈκδ¦Àí£¬ÓлúÈܼÁÇåÀí£¬ÈýÂÈ»¯Ìú¿ÌÊ´£©£¬¾ùµ¼ÖÂÁ˵¥²ãʯīϩ±¡Ä¤£¨»ìºÏÓжþ²ãʯīϩµºµÄ²»´¿ÎµÄÐγɡ£Êý¾ÝÏÔʾ£¬ÕâЩʯīϩµº×´µÄ²»´¿£¬·¢¶ËÓÚÇâÆøÈÈÍË»ðµÄ²½Ö裨CVD µÄÇ°´¦Àí²½Ö裩£¬Æä̼ԴÀ´Ô´ÓÚͲÉϵÄÓлúÎÛȾÎï»òÕßÎü¸½µÄÈܼÁ·Ö×Ó¡£¶øÔÚ¿ÕÆøÖÐÑõ»¯´¦Àí£¬ÕâЩµº×´Ê¯Ä«Ï©»áÏûʧ£¬½ø¶øÔÚCVD¹ý³ÌÖУ¬´óÃæ»ý¾ùÔȵĵ¥²ãʯīϩ±¡Ä¤±»ºÏ³É³öÀ´¡£Òò´Ë£¬Ñõ»¯´¦ÀíÊÇÒ»Öַdz£ÓÐЧµÄȼÉÕµô£¨Í»ùµ×£©±íÃæÓлúÎÛȾÎïµÄ·½·¨¡£
ͼƬ1
ÀåÃ׳߶ȵÄʯīϩתÒÆ£ºÕÕƬ
ͼƬ2
SEM:
£¨»ùÓÚ5ÖÖÔ¤´¦ÀíÇå½à²½Öèºó£©Éú³¤µÄʯīϩµÄSEMͼƬ¡£
ͼƬ3
RAMAN MAP:
£¨»ùÓÚ5ÖÖÔ¤´¦ÀíÇå½à²½Öèºó£©Éú³¤µÄʯīϩµÄͼƬ¡£
ͼƬ4
afm:
£¨»ùÓÚ5ÖÖÔ¤´¦ÀíÇå½à²½Öèºó£©Éú³¤µÄʯīϩͼƬ¡£
ͼƬ5
£¨5ÖÖÔ¤´¦ÀíÇå½à²½ÖèµÄ´¦ÀíÁ÷³Ì£©ÒÔ¼°Éú³¤µÄʯīϩµÄÀàÐÍ
ͼƬ6
¾¹ý5ÖÖÔ¤´¦Àí¹ý³ÌºóµÄͲ±íÃæSEMͼ¡£
¶þ²ãµº£¬ÔÚCVDÇ°£¬¾ÍÒѾÐγɡ£
ͼƬ7
ÖƱ¸¹¤ÒÕ²ÎÊý¡£
£¨ÆÕͨ£©ÇâÆøÈÈÍË»ð+»¯Ñ§·´Ó¦ÆøÏà³Á»ý
£¨Éý¼¶£©ÇâÆøÈÈÍË»ð+¿ÕÆøÑõ»¯+»¯Ñ§·´Ó¦ÆøÏà³Á»ý£»
£¨×î˧£©ÇâÆøÈÈÍË»ð£¨+¿ÕÆøÑõ»¯+ÇâÆø»¹Ô£©+»¯Ñ§·´Ó¦ÆøÏà³Á»ý¡£
£¨ÎÄÕÂ3£©
Direct synthesis of graphene from adsorbed organic solvent molecules over copper
×÷Õß
Jinbo Pang, Alicja Bachmatiuk, Lei Fu, Rafael G Mendes, Marcin Libera, Daniela Placha, Grazyna Simha Martynkov¨¢, Barbara Trzebicka, Thomas Gemming, Juergen Eckert, Mark H R¨¹mmeli
·¢±íÈÕÆÚ
2015
ÆÚ¿¯
RSC Advances
¾íºÅ
5
ÆÚºÅ
75
Ò³Â뷶Χ
60884-60891
³ö°æÉÌ
Royal Society of Chemistry
¼ò½é
The isolation of graphene by Novoselov et al in 20041 ignited massive interest in this
material. For graphene to succeed fully as a future material its controlled fabrication is
required. While numerous routes have been and are being developed, chemical vapor
deposition (CVD) is by far the most common approa
Novoselov ÔÚ2004ÄêÊ׶ȷÖÀë³öµÄʯīϩ£¬Òý±¬ÁËÈ«Çò¿ÆÑÐÈËÔ±¾Þ´óµÄÐËȤ¡£Ê¯Ä«Ï©×÷ΪδÀ´²ÄÁÏÒªÏë³É¹¦£¬±ØÐëÒª´ïµ½¿É¿ØÖƱ¸¡£Ä¿Ç°£¬¶àÖÖ¹¤ÒÕ·Ïß±»ÈËÃÇ·¢Õ¹ÀûÓ㬻¯Ñ§ÆøÏà³Á»ý·¨ÊǶÀÊ÷Ò»ÖÄ£¬³ÉΪ×î³£¼ûµÄÆÕ±é²ÉÓõķ½·¨¡£ÈËÃÇÒ²ÖÂÁ¦ÓÚÀûÓûùµ×Îü¸½µÄÓлú·Ö×ÓÀ´Ö±½ÓÖƱ¸Ê¯Ä«Ï©¡£ÔÚÕâ·½Ã棬¼«ÉÙÑо¿µÃµ½±¨µÀ£¨»òÕß²½Öè·±¸´»òÕßʯīϩ³ß´ç¼«Ð¡£©¡£±¾¹¤×÷±¨µÀÁËÒ»ÖÖ¼«Æä¼òÒ׵ŤÒÕ¡£Ò༴£¬Í»ùµ×±íÃæÎü¸½Óлú·Ö×Ó£¬È»ºóÔÚÇâÆø·ÕΧÏÂÈÈÍ˻𣬼´Íê³Éʯīϩµº×´½á¹¹µÄÖƱ¸¡£±¾¼òÒ×·½·¨µÃµ½ÁËϵͳµÄÑо¿¡£±¾Ñо¿Ç¿µ÷Á˻Çâ»ùÍŶԷ´Ó¦µÄÖØÒªÐÔ¡£±¾ÎÄÒ²¼ÓÉîÁËÇâÆøÔÚ´«Í³CVD·¨£¨ÀûÓÃ̼Դ½øÁÏÆøÌåÖƱ¸Ê¯Ä«Ï©£©µÄÀí½â¡£
±¾Îı¨µÀÁË΢Ã׳ߴçµÄµº×´Ê¯Ä«Ï©£¬¿ÉÒÔ´ÓÇå½àͱíÃæÉÏÎü¸½µÄÓлú·Ö×Ó£¬¾¹ýÒ»²½ÇâÆøÈÈÍ˻𣨶øÎÞ̼ԴµÄ½øÆø£©ÖƱ¸¡£ÔÚ¼ÓÈȹý³ÌÖУ¬Îü¸½µÄÓлú·Ö×ӵõ½ÈÈÁѽ⣬ΪʯīϩÐγÉÌṩÁ˻̼»ùÍÅ¡£ÇâÆøÆøÁ÷ÊÇÒ»¸ö±ØÒªÌõ¼þ¡£Êý¾ÝÏÔʾ£¬»î»¯Çâ»ùÍÅH*°çÑÝÁËÁ½¸ö½ÇÉ«¡£ÆäÒ»£¬H*»î»¯±íÃæµÄ̼»ùÍÅ£¨»òÕ߸¨Öú̼ԴǰÇýÌåµÄÁѽâ»òÕß¿ÌÊ´Éú³¤¹ý³ÌÖеÄÎÞ¶¨ÐÍ̼£©£»Æä¶þ£¬H*¿ÌÊ´²¢ÒÖÖƵº×´Ê¯Ä«Ï©³ß´çµÄÔö¼Ó¡£ÕâÁ½¸ö½ÇÉ«£¬Ó봫ͳ»¯Ñ§ÆøÏà³Á»ý¹ý³ÌÖеÄÇâÆøµÄ½ÇÉ«ºÜÀàËÆ¡£´Ë¼òÒ×µÄÒ»²½·¨ÖƱ¸Ê¯Ä«Ï©£¬ÓÐDZÁ¦ÖƱ¸¿Õ¼ä¿ØÖƵÄʯīϩÉú³¤£¬ÀýÈçÓÃÑÚĤµ²×¡£¨Óлú·Ö×ÓµÄÎü¸½£©´Ó¶ø×è¶Ï̼Դ¹©¸ø£¬´Ó¶øʵÏÖ¿Õ¼äÑ¡ÔñµÄʯīϩµÄÉú³¤¡£½øÒ»²½ÄØ£¬±¾ÎļÓÉîÁËÈËÃǶÔʯīϩÖƱ¸Òâ¼ûÇâÆø¼ÓÖ®ÓÚ̼Ç⻯ºÏÎïÇ°ÇýÌå×÷ÓõÄÀí½â¡£
ͼƬ1
¹ý³ÌʾÒâͼ£¬ÒÔ¼°Í²µÄÕÕƬ
ͼƬ2
ζȶÔÉú³¤µÄµº×´Ê¯Ä«Ï©³ß´çµÄÓ°Ïì¡££¨sem vs temperature£©
ͼƬ3
»ùÓÚζÈÒÀÀµµÄÉú³¤³ß´ç£¨ËÙÂÊ£©£¬À´ÄâºÏ°¢Â×ÄáÎÚ˹ÇúÏߣ¬½øÐ줻îÄܵÄÌáÈ¡
ͼƬ4
½øÐÐÈÈÁ¦Ñ§Æ½ºâ̬µÄ¼ÆË㣬µÃ³ö²»Í¬Î¶ÈÏ£¬º¬Ì¼£¬º¬Ç⣬º¬ÑõµÈ»î»¯»ùÍŵÄĦ¶û°Ù·Ö±È¡£
ͼƬ5
²»Í¬µÄÇâÆøÆøѹ¶Ôµº×´Ê¯Ä«Ï©ÐγɵÄÓ°Ïì
ͼƬ6
½øÐÐÈÈÁ¦Ñ§Æ½ºâ̬µÄ¼ÆË㣬µÃ³ö²»Í¬ÇâÆøÆøѹÏ£¬º¬Ì¼£¬º¬Ç⣬º¬ÑõµÈ»î»¯»ùÍŵÄĦ¶û°Ù·Ö±È¡£
£¨ÎÄÕÂ4£© review
CVD growth of 1D and 2D sp2 carbon nanomaterials
×÷Õß
Jinbo Pang, Alicja Bachmatiuk, Imad Ibrahim, Lei Fu, Daniela Placha, Grazyna Simha Martynkova, Barbara Trzebicka, Thomas Gemming, Juergen Eckert, Mark H R¨¹mmeli
·¢±íÈÕÆÚ
2015
ÆÚ¿¯
Journal of Materials Science
Ò³Â뷶Χ
1-28
³ö°æÉÌ
Springer US
¼ò½é
Abstract The discovery of graphene and carbon nanotubes (rolled-up graphene) has excited
the world because their extraordinary properties promise tremendous developments in
many areas. Like any materials with application potential, it needs to be fabricated in an
economically viable manner and at the same time provides the necessary quality for
relevant applications. Graphene and carbon nanotubes are no exception to this. In both
cases, chemical vapor deposition (CVD) has emerged as the dominant synthesis route
£¨ÎÄÕÂ5£©ÕôÆûÏÝ»ñÖƱ¸»¨°ê״ʯīϩ
Vapor Trapping Growth of Single-Crystalline Graphene Flowers: Synthesis, Morphology, and Electronic Properties
Yi Zhang†‡, Luyao Zhang†¡ì, Pyojae Kim†, Mingyuan Ge¡ì, Zhen Li†, and Chongwu Zhou*†‡¡ì
Nano Lett., 2012, 12 (6), pp 2810¨C2816
We report a vapor trapping method for the growth of large-grain, single-crystalline graphene flowers with grain size up to 100 ¦Ìm. Controlled growth of graphene flowers with four lobes and six lobes has been achieved by varying the growth pressure and the methane to hydrogen ratio. Surprisingly, electron backscatter diffraction study revealed that the graphene morphology had little correlation with the crystalline orientation of underlying copper substrate. Field effect transistors were fabricated based on graphene flowers and the fitted device mobility could achieve ¡«4200 cm2 V¨C1 s¨C1 on Si/SiO2 and ¡«20 000 cm2 V¨C1 s¨C1 on hexagonal boron nitride (h-BN). Our vapor trapping method provides a viable way for large-grain single-crystalline graphene synthesis for potential high-performance graphene-based electronics.
£¨ÎÄÕÂ6£© £¨ÏÝ»ñ×÷Óõģ©Í¡°¿Ú´ü¡±ÖƱ¸µ¥¾§»¨°ê״ʯīϩ
Large-Area Graphene Single Crystals Grown by Low-Pressure Chemical Vapor Deposition of Methane on Copper
Xuesong Li†, Carl W. Magnuson†, Archana Venugopal‡, Rudolf M. Tromp¡ì, James B. Hannon¡ì, Eric M. Vogel‡, Luigi Colombo*¡Î, and Rodney S. Ruoff*†
J. Am. Chem. Soc., 2011, 133 (9), pp 2816¨C2819
Graphene single crystals with dimensions of up to 0.5 mm on a side were grown by low-pressure chemical vapor deposition in copper-foil enclosures using methane as a precursor. Low-energy electron microscopy analysis showed that the large graphene domains had a single crystallographic orientation, with an occasional domain having two orientations. Raman spectroscopy revealed the graphene single crystals to be uniform monolayers with a low D-band intensity. The electron mobility of graphene films extracted from field-effect transistor measurements was found to be higher than 4000 cm2 V−1 s−1 at room temperature. |
» ±¾Ìû¸½¼þ×ÊÔ´Áбí
-
»¶Ó¼à¶½ºÍ·´À¡£ºÐ¡Ä¾³æ½öÌṩ½»Á÷ƽ̨£¬²»¶Ô¸ÃÄÚÈݸºÔð¡£
±¾ÄÚÈÝÓÉÓû§×ÔÖ÷·¢²¼£¬Èç¹ûÆäÄÚÈÝÉæ¼°µ½ÖªÊ¶²úȨÎÊÌ⣬ÆäÔðÈÎÔÚÓÚÓû§±¾ÈË£¬Èç¶Ô°æȨÓÐÒìÒ飬ÇëÁªÏµÓÊÏ䣺libolin3@tal.com
- ¸½¼þ 1 : 0101._ÂÛÕôÆûÏÝ»ñÔÚÍ»ùµ×Éϵģ¨µÍѹ»¯Ñ§ÆøÏà³Á»ý·¨£©Ê¯Ä«Ï©Éú³¤ÖеĽÇÉ«.pdf
2015-11-13 00:41:38, 1.03 M
- ¸½¼þ 2 : 0102._ÂÛÕôÆûÏÝ»ñÔÚÍ»ùµ×Éϵģ¨µÍѹ»¯Ñ§ÆøÏà³Á»ý·¨£©Ê¯Ä«Ï©Éú³¤ÖеĽÇÉ«_esi.pdf
2015-11-13 00:42:41, 3.5 M
- ¸½¼þ 3 : 0201.»¯Ñ§ÆøÏà³Á»ýÖƱ¸Ê¯Ä«Ï©µÄÔ¤´¦Àí--ÔÚ¿ÕÆøÖÐÑõ»¯À´È¥³ý±íÃæµÄÓлúÎÛ×ÕÀ´ÒÖÖƵڶþ²ãµº×´µÄ²»´¿¶ÈµÄÐγÉ.pdf
2015-11-13 00:43:46, 7.76 M
- ¸½¼þ 4 : 0202.»¯Ñ§ÆøÏà³Á»ýÖƱ¸Ê¯Ä«Ï©µÄÔ¤´¦Àí--ÔÚ¿ÕÆøÖÐÑõ»¯À´È¥³ý±íÃæµÄÓлúÎÛ×ÕÀ´ÒÖÖƵڶþ²ãµº×´µÄ²»´¿¶ÈµÄÐγÉ_ESI.pdf
2015-11-13 00:44:00, 1.44 M
- ¸½¼þ 5 : 0301.ÀûÓÃÔÚͱíÃæÎü¸½µÄÓлú·Ö×ÓÔÚÒ»²½ÇâÆøÍË»ðÖÐÖ±½ÓºÏ³Éʯīϩ.pdf
2015-11-13 00:44:11, 1.01 M
- ¸½¼þ 6 : 0302.ÀûÓÃÔÚͱíÃæÎü¸½µÄÓлú·Ö×ÓÔÚÒ»²½ÇâÆøÍË»ðÖÐÖ±½ÓºÏ³Éʯīϩ_ESI.pdf
2015-11-13 00:44:21, 872.43 K
- ¸½¼þ 7 : 04._review_CVD_growth_of_1D_and_2D_sp2_carbon_nanomaterials.pdf
2015-11-13 00:46:00, 12.97 M
- ¸½¼þ 8 : 0502.ÕôÆûÏÝ»ñÖƱ¸»¨°ê״ʯīϩ_ESI.pdf
2015-11-13 00:46:44, 942.24 K
- ¸½¼þ 9 : 0501.ÕôÆûÏÝ»ñÖƱ¸»¨°ê״ʯīϩ.pdf
2015-11-13 00:49:04, 1.4 M
- ¸½¼þ 10 : 0601._£¨ÏÝ»ñ×÷Óõģ©Í¡°¿Ú´ü¡±ÖƱ¸µ¥¾§»¨°ê״ʯīϩ.pdf
2015-11-13 00:49:31, 2.23 M
» ÊÕ¼±¾ÌûµÄÌÔÌùר¼ÍƼö
» ²ÂÄãϲ»¶
|