»Û´ÏË®¹¤ÒµÍø ʯīϩÑõ»¯ÎïÓÉÓڽܳöµÄË®ÉøÍ¸ÐԺͷÖ×ÓɸѡÐÔÄÜÊܵ½¹ã·ºµÄ¹Ø×¢£¬Æä¹¤Òµ¹æÄ£µÄÉú²úÒ²¾ßÓнϺõÄÏÖʵǰ¾°£¬µ«ÊÇÑõ»¯Ê¯Ä«Ï©Ä¤£¨Grapheneoxidemembranes£©µÄÀë×Óɸ·Ö£¨ionsieving£©ºÍÍÑÑμ¼Êõ·½ÃæµÄÓ¦ÓÃÊÜÏÞÓÚÆä9°£Ã×µÄÉøÍ¸ÁÙ½çÖµ£¨permeationcutoff£©£¬ÒòΪ±È´«Í³Ë®ºÏÑÎÀë×ӵijߴçÒª´ó£¬¶øÆäÁÙ½çÖµÓÉ13.5°£Ã׵IJã¼ä¾à£¨interlayerspacing£©Ëù¾ö¶¨¡£±ê×¼µÄʯīϩÑõ»¯±¡Æ¬ÔÚË®ÖлáÅòÕÍ£¬ÔÚ½þË®µÄ±¡Æ¬ÉÏ»ñµÃ½ÏСµÄ²ã¼ä¾àÊÇÒ»¸öÌôÕ½¡£Âü³¹Ë¹ÌØ´óѧ¹úÁ¢Ê¯Ä«Ï©Ñо¿ËùµÄÑо¿ÈËԱͨ¹ýÎïÀí¾ÖÏÞ£¨physicalconfinement£©µÄ·½·¨³É¹¦ÊµÏÖ¾«È·¿Éµ÷µÄÀë×Óɸ·Ö£¬ÖƱ¸³öÁ˲ã¼ä¾àΪ9.8µ½6.4°£Ã׵ı¡Æ¬£¬±ÜÃâÁËĤÔÚË®ÖеÄÈÜÕÍ£¬ÒÖÖÆÀë×ÓµÄ͸¹ý¶ø²»Ó°ÏìË®µÄͨ¹ý£¬¶ÔNaClÓÐ97%µÄ½ØÁôÂÊ£¬¾ßÓдó¹æÄ£º£Ë®µ»¯µÄDZÁ¦¡£Ïà¹Ø³É¹û¡¶Tunable sieving ofions using graphene oxide membranes¡··¢±íÓÚNature Nanot echnology£¬µÚÒ»×÷ÕßJijo Abraham£¬DOI:10.1038/NNANO.2017.21
¾ßÓÐÑÇÄÉÃ׿׾¶µÄÑ¡ÔñÐÔÉøÍ¸Ä¤ÓÉÓÚÆäºÍÉúÎïĤÏàËÆµÄ¹¦ÄÜ¡¢ÒÔ¼°ÆäÔÚË®¹ýÂË¡¢·Ö×Ó·ÖÀë¡¢ÍÑÑεȵÄÓ¦Óã¬ÎüÒýÁ˹㷺µÄ¹Ø×¢¡£ÄÉÃ׿׾¶µÄ³ß´ç±ÈË®ºÏÀë×ÓµÄÖ±¾¶ÒªÐ¡»áÌá¸ßÀë×ÓÑ¡ÔñÐÔ£¬ÒòΪÀë×ÓÔÚÉøÍ¸¹ýÕâЩÔ×ӳߴçɸʱÐèÒªÍÑË®¡£Àë×ÓÍÑˮЧӦ£¨iondehydrationeffects£©ÒѾ±»¹ã·ºÑо¿£¬µ«ÊÇÒòΪ¹¹Ôì³ö¾ßÓÐÆëÕûµÄÃ÷È·µÄÑÇÄÉÃ×¼¶¿×½ÏΪÀ§ÄÑ£¬ËùÒÔÓÉÍÑË®Ëù¿ØÖƵÄÀë×Óɸ·ÖºÜÓÐÏÞ¡£ÖƱ¸³öÍÑË®¸¨ÖúÑ¡ÔñÐÔµÄĤ½«ÊÇÏòǰÂõ³öµÄÖØÒªÒ»²½¡£Ä¿Ç°´ó¶àÊýµÄÐÂĤÑо¿¶¼¼¯ÖÐÔÚÌá¸ßˮͨÁ¿¶ø²»ÊÇÀë×ÓÑ¡ÔñÐÔ£¬ÓÉʵ¼ÊÏà¹Ø¹ýÂ˹ý³ÌµÄ½¨Ä£ÏÔʾ¸ßÓÚĿǰ¿ÉµÃµÄË®ÉøÍ¸ÂʶÔÓÚÕûÌåµÄÍÑÑÎЧÂʲ¢Ã»Óжà´óµÄ¹±Ïס£
»ùÓÚ¸ßË®-Àë×ÓÑ¡ÔñÐÔµÄÌæ´ú·½·¨¿ÉÄÜΪÌá¸ß¹ýÂ˼¼Êõ¿ª±ÙеĿÉÄÜ£¬Ä¿Ç°¸ßˮƽµÄĤÓÉÓÚÈÜÒºÀ©É¢»úÀíËùÏÞÖÆ£¬ÒòΪˮ·Ö×ÓÈܽâÓÚĤ²ÄÁÏÖУ¬²¢À©É¢Í¨¹ýĤ¡£Ì¼ÄÉÃײÄÁÏ¡¢Ì¼ÄÉÃ׹ܺÍʯīϩÊǿɿ¿µÄĤ²ÄÁÏ¡£µ«ÊÇ£¬ÕâЩĤ¹¤Òµ¹æÄ£µÄÉú²ú½ÏÄÑ£¬ÌرðÊǵ¥²ãʯīϩҲÊÇÒ»ÖÖ×÷ÎªÖÆ±¸ÑÇÄÉÃ׿׵ÄÀë×ÓÅųâĤµÄºÃ²ÄÁÏ£¬µ«ÊÇÔÚ¹¤Òµ¹æÄ£½ÏÄÑÖÆ±¸³ö¸ßÃÜ¶ÈºÍÆëÕûµÄ¿×¾¶£¬ÒòÎªÉæ¼°¹ý³ÌÖеÄËæ»úÌØÐÔ¡£
ʯīϩÑõ»¯Îgrapheneoxide£¬GO£©ÊÇʯīϩµÄ»¯Ñ§ÑÜÉúÎÓÉÓÚÆä½Ü³öµÄË®ÉøÍ¸ÐԺͷÖ×ÓɸѡÐÔÄÜÊܵ½¹ã·ºµÄ¹Ø×¢£¬Æä¹¤Òµ¹æÄ£µÄÉú²úÒ²¾ßÓнϺõÄÏÖʵǰ¾°¡£Í¨¹ýGOĤµÄ·Ö×ÓÉøÍ¸ÊÇ˳×ÅʯīϩÔʼͨµÀµÄÍø¸ñµÄ£¬ÆäÖл¹ÓÐ40-60%ûÓб»¹¦ÄÜ»¯¡£ËüÃǵÄɸ·ÖÐÔÄÜÓɲã¼ä¾àËù¾ö¶¨£¬È¡¾öÓÚ»·¾³µÄʪ¶È¡£½«Æä½øÈëË®ÖÐʱ£¬»áÔÚGOƬ֮¼ä²åÈë2-3²ãµÄË®·Ö×Ó£¬Óɴ˵¼ÖÂÅòÕÍÏÖÏ󣬲ã¼ä¾àΪ13.5°£Ãס£
¸Ã¿ÎÌâ×éչʾÁËÔõÑùͨ¹ýÎïÀí¾ÖÏ޵ķ½·¨À´Íê³É¾«È·¿Éµ÷µÄÀë×Óɸ·Ö£¬Í»ÆÆÆä13.5°£Ã׵IJã¼ä¾à£¬ÖƱ¸³öÁ˲ã¼ä¾àΪ9.8µ½6.4°£Ã׵ı¡Æ¬£¬É¸·ÖµÄ³ß´ç±ÈË®ºÏÀë×ÓÖ±¾¶ÒªÐ¡¡£ÔÚÕâÖÖÇéÐÎÏ£¬Àë×ÓÉøÍ¸ÓÉÈȼ¤»î£¬ÄÜÀÝ£¨energybarriers£©¸ù¾Ý²ã¼ä¾àµÄ²»Í¬£¬ÔÚ10-100KJmol-1Ö®¼ä¡£ÖØÒªµÄÊÇ£¬Ëæ×Åɸ·Ö³ß´çµÄ½µµÍ£¬ÉøÍ¸Ö¸Êý³É±¶µÄ½µµÍ£¬¶ø¶ÔË®µÄתÔËÓ°Ïì½ÏС£¨ÒòËØ<2£©¡£ºóÕßÊÇÒòΪˮ·Ö×Ó½øÈëµÄµÍÆÁÕϺÍʯīϩëϸ¹ÜÄÚ²¿µÄ½Ï´óµÄ»¬ÒƳ¤¶È£¨sliplengths£©¡£»ùÓÚÕâЩ·¢ÏÖ£¬Õ¹Ê¾ÁËÒ»ÖÖ¼òµ¥µÄ¿É¹¤Òµ»¯µÄµÄ»ùÓÚʯīϩµÄÓÐÏÞÅòÕÍĤ£¬¶ÔÓÚNaClÓÐ97%µÄ½ØÁôÂÊ¡£
ÔðÈα༣ºÒóÓ¨Ó¨
ÃâÔðÉùÃ÷:·²×¢Ã÷À´Ô´±¾ÍøµÄËùÓÐ×÷Æ·£¬¾ùΪ±¾ÍøºÏ·¨ÓµÓаæÈ¨»òÓÐȨʹÓõÄ×÷Æ·£¬»¶Ó×ªÔØ£¬×¢Ã÷³ö´¦¡£·Ç±¾Íø×÷Æ·¾ùÀ´×Ô»¥ÁªÍø£¬×ªÔØÄ¿µÄÔÚÓÚ´«µÝ¸ü¶àÐÅÏ¢£¬²¢²»´ú±í±¾ÍøÔÞͬÆä¹ÛµãºÍ¶ÔÆäÕæÊµÐÔ¸ºÔð¡£
> Äú¿ÉÄÜ»¹»á¹Ø×¢µÄ
»Û´ÏÊг¡
A »Û´ÏË®¹¤ÒµÍø¹Ù·½ÍøÕ¾£ºhttp://www.water.hc360.com/
B »Û´ÏË®¹¤ÒµÍø¹Ù·½ÐÂÀË΢²©£ºhttp://weibo.com/waterhc360?refer_flag=1001030201_&is_all=1
C »Û´ÏË®¹¤ÒµÍø¹Ù·½Î¢Ðźţºwater-hc360