Details:

Alternative Title:
Nano Lett
Publisher's site:
http://dx.doi.org/10.1021/nl401860f
Personal Author:
Sun, Liaoxin ; Kim, Do Hyun ; Oh, Kyu Hwan ; Agarwal, Ritesh
Sun, Liaoxin ; Kim, Do Hyun ; Oh, Kyu Hwan ; Agarwal, Ritesh Less -
Description:
Strain engineering can be utilized to tune the fundamental properties of semiconductor materials for applications in advanced electronic and photonic devices. Recently, the effects of large strain on the properties of nanostructures are being intensely investigated to further expand our insights into the physics and applications of such materials. In this Letter, we present results on controllable buckled cadmium-sulfide (CdS) optical nanowires (NWs), which show extremely large energy bandgap tuning by >250 meV with applied strains within the elastic deformation limit. Polarization and spatially resolved optical measurements reveal characteristics related to both compressive and tensile regimes, while microreflectance spectroscopy clearly demonstrates the effect of strain on the different types of excitons in CdS. Our results may enable strained NWs-based optoelectronic devices with tunable optical responses.
Subject:
[+]
Article
Cadmium Compounds
CdS
Luminescent Measurements
Nanowire
Nanowires
Optical Processes
Photoluminescence
Reflectance
Strain
Sulfides

Source:
Nano Lett. 13(8):3836-3842.
Document Type:
Journal Article
Funding:
1-DP2-7251-01/DP/NCCDPHP CDC HHS/United States ; DP2 OD007251/OD/NIH HHS/United States
1-DP2-7251-01/DP/NCCDPHP CDC HHS/United States ; DP2 OD007251/OD/NIH HHS/United States Less -
Collection(s):
CDC Public Access
Main Document Checksum:
[+]
urn:sha256:88d6d11a7e467097c6cb0fe52aeb96d35e8fe35729181bba087118ad666d7d6f
File Type:

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