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.

引用

页数：7

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