Nanopore/Nanosphere-Induced Optical Enhancement of Monolayer MoS2

被引：2
|
作者：
Li, Yueqi [1 ,2 ]
Chen, Zhexue [1 ,2 ]
Zhou, Xuanping [1 ,2 ]
Wu, Xianxin [2 ,3 ]
Zhou, Zhican [1 ,2 ]
Li, Zhangqiang [1 ,2 ]
Xiao, Liuyang [1 ,2 ]
Liu, Qian [1 ,2 ]
Liu, Xinfeng [2 ,3 ]
Zhang, Yong [1 ,2 ]
机构：
[1] Natl Ctr Nanosci & Technol, CAS Ctr Excellence Nanosci, CAS Key Lab Nanosyst & Hierarch Fabricat, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Natl Ctr Nanosci & Technol, CAS Ctr Excellence Nanosci, CAS Key Lab Standardizat & Measurement Nanotechnol, Beijing 100190, Peoples R China
来源：
ADVANCED OPTICAL MATERIALS | 2023年 / 11卷 / 16期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
molybdenum disulfide (MoS2); photoluminescence (PL); porous anodic alumina (PAA); Raman; second-harmonic generation (SHG); LARGE-AREA; HOT-ELECTRON; GRAPHENE; NANOPARTICLES; NANOMESH; NANORODS; GROWTH; ARRAYS; LAYERS;
D O I：
10.1002/adom.202300120
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Heterostructured transition metal dichalcogenides (TMDs) have received much attention due to their tunable optical and electronic properties. Here, a strategy for facile fabrication of porous anodic alumina (PAA) membrane-supported monolayer molybdenum disulfide (MoS2) is described. PAA is either empty or filled with gold nanoparticles (AuNPs). Such nanopore/nanosphere-supported MoS2 (i.e., PAA-MoS2 and PAA-Au-MoS2) exhibits greatly enhanced optical performances compared with those of silicon wafer-supported MoS2 (i.e., Si/SiO2-MoS2). Notably, 11-fold Raman enhancement, 13-fold photoluminescence enhancement, and 419-fold second-harmonic generation enhancement are achieved in PAA-Au-MoS2. Moreover, the optical enhancement mechanism of this unique structure is proposed. This work provides a platform for the construction of curved/heterostructured TMDs and exploration of their strong light-matter interactions.
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收藏
页数：7
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