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25th Anniversary Article: Galvanic Replacement: A Simple and Versatile Route to Hollow Nanostructures with Tunable and Well Controlled Properties
ÕâÆª×ÛÊöÊÇÏÄÓ×ÄÏ×é·¢±íÔÚAdv. Mater.25ÖÜÄêµÄһƪÎÄÕ£¬Ö÷ÒªÌÖÂÛÁËÙ¤¶ûÍßÄỹԭ·´Ó¦Ôںϳɸ´ÔӵĿÕÐÄÄÉÃ׽ṹ·½ÃæµÄÓ¦Óü°½øÕ¹¡£ÎÄÕÂÊ×ÏÈ˵Ã÷ÁËÙ¤¶ûÍßÄỹԭ·´Ó¦µÄ»úÀí£¬Ç¿µ÷ÁËËüÔÚ¿ØÖƽðÊôÄÉÃ׽ṹµÄ³ß´ç¡¢³É·Ö¡¢½á¹¹¡¢ÐÎ×´¡¢ÐÎòµÈ·½ÃæµÄÄÜÁ¦£¬È»ºóÌÖÂÛÁËÙ¤¶ûÍßÄỹԭ·´Ó¦¹ý³ÌÖеÄһЩ¸ÅÄÀýÈçÃæÑ¡ÔñÐÔ£¬ºÏ½ð»¯µÄÓ°ÏìµÈ¡£Í¬Ê±Ò²ËµÃ÷ÁËÈçºÎ½«Ù¤¶ûÍßÄỹԭ·´Ó¦Óë¹²»¹Ô­¡¢¿Â¿ÏÌØ¶ûЧӦ½áºÏÆðÀ´ºÏ³É¸´ÔÓµÄÄÉÃ׽ṹ£¬×îºóÇ¿µ÷ÁËÙ¤¶ûÍßÄỹԭ·´Ó¦ÔÚ´ß»¯¡¢µÈÀë×ÓÌå¡¢ÉúÎïÒ½Ò©·½ÃæµÄÓ¦ÓÃÒÔ¼°·¢Õ¹Ç°¾°¡£Ï£Íû¶Ô´ó¼ÒÓÐËù°ïÖú¡£
This article provides a progress report on the use of galvanic replacement for generating complex hollow nanostructures with tunable and well controlled properties. We begin with a brief account of the mechanistic understanding of galvanic replacement, specifically focused on its ability to engineer the properties of metal nanostructures in terms of size, composition, structure, shape, and morphology. We then discuss a number of important concepts involved in galvanic replacement, including the facet selectivity involved in the dissolution and deposition of metals, the impacts of alloying and dealloying on the structure and morphology of the final products, and methods for promoting or preventing a galvanic replacement reaction. We also illustrate how the capability of galvanic replacement can be enhanced to fabricate nanomaterials with complex structures and/or compositions by coupling with other processes such as coreduction and the Kirkendall effect. Finally, we highlight the use of such novel metal nanostructures fabricated via galvanic replacement for applications ranging from catalysis to plasmonics and biomedical research, and conclude with remarks on prospective future directions.Adv. Mater.25ÖÜÄêר¿¯×ÛÊö£ºÙ¤¶ûÍßÄỹԭ·´Ó¦ÔںϳɿÕÐÄÄÉÃ׽ṹ·½ÃæµÄÓ¦ÓÃ
Adv. Mater.25ÖÜÄêר¿¯×ÛÊö£ºÙ¤¶ûÍßÄỹԭ·´Ó¦ÔںϳɿÕÐÄÄÉÃ׽ṹ·½ÃæµÄÓ¦ÓÃ-1
Adv. Mater.25ÖÜÄêר¿¯×ÛÊö£ºÙ¤¶ûÍßÄỹԭ·´Ó¦ÔںϳɿÕÐÄÄÉÃ׽ṹ·½ÃæµÄÓ¦ÓÃ-2
Adv. Mater.25ÖÜÄêר¿¯×ÛÊö£ºÙ¤¶ûÍßÄỹԭ·´Ó¦ÔںϳɿÕÐÄÄÉÃ׽ṹ·½ÃæµÄÓ¦ÓÃ-3

[ Last edited by Jeaweal on 2013-11-28 at 13:22 ]
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