Designing highly conductive and stable silver nanocrystal thin films with tunable work functions through solution-based surface engineering with gold coating process

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• 作者：Mingi Seong^a ; Seung-Wook Lee^b ; Hyungmok Joh^a ; Woo Seok Lee^a ; Taejong Paik^c ; Soong Ju Oh^a ; ^{sjoh1982@korea.ac.kr}
• 关键词：Silver nanocrystal ; Flexible electrode ; Work function ; Solution process ; Gold coating ; Galvanic exchange
• 刊名：Journal of Alloys and Compounds
• 出版年：2017
• 出版时间：25 March 2017
• 年：2017
• 卷：698
• 期：Complete
• 页码：400-409
• 全文大小：1510 K
• 卷排序：698

文摘

Ag nanocrystal (NC) thin films were prepared by an all-solution-based process. The work function could be tuned from 3.9 to 4.5eV by ligand exchange and Au coating. A very low resistivity of 3.4 μΩ cm was achieved from the Ag NC thin films. The thermal stability of the thin films in air was significantly enhanced. All-NC- and all-solution-process-based flexible photodetectors were fabricated.