WFRF:(Cheng Jianxin)
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Upconversion Luminescence of Graphene Oxide through Hybrid Waveguide
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- Li, Zongbao (författare)
- South China Normal Univ, South China Acad Adv Optoelect, Ctr Opt & Electromagnet Res, Guangzhou 510006, Guangdong, Peoples R China.;Tongren Univ, Sch Mat & Chem Engn, Tongren 554300, Guizhou, Peoples R China.
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- Yang, Jianxin (författare)
- South China Normal Univ, South China Acad Adv Optoelect, Ctr Opt & Electromagnet Res, Guangzhou 510006, Guangdong, Peoples R China.
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- Shi, Meng (författare)
- Qufu Normal Univ, Sch Prov Key Lab Laser Polarizat & Informat Techn, Jining 273165, Shandong, Peoples R China.
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- South China Normal Univ, South China Acad Adv Optoelect, Ctr Opt & Electromagnet Res, Guangzhou 510006, Guangdong, Peoples R China;Tongren Univ, Sch Mat & Chem Engn, Tongren 554300, Guizhou, Peoples R China. South China Normal Univ, South China Acad Adv Optoelect, Ctr Opt & Electromagnet Res, Guangzhou 510006, Guangdong, Peoples R China. (creator_code:org_t)
- 2018-07-02
- 2018
- Engelska.
- Ingår i: The Journal of Physical Chemistry C. - : AMER CHEMICAL SOC. - 1932-7447 .- 1932-7455. ; 122:29, s. 16866-16871
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- Phonon-assisted upconversion is a promising way to generate short-wavelength emissions under excitation of long wavelength based on unique anti-Stokes luminescence properties. Graphene oxide nanosheets (GONs) exhibit excellent optical properties owing to quantum confinement and edge effects, which have driven research into fundamental principles and potential applications. Here, we experimentally demonstrate upconversion emission by exciting an easily fabricated GON hybrid waveguide (GHVV) with enhanced photothermal effects. The results reveal different origins of short-wavelength range and long-wavelength range in the upconversion spectra, whereas the emissive surface defects of GONs and GHW structure play significant roles in the behavior of photoluminescence. Introducing other upconversion materials to promote emission efficiency, the hybrid waveguide system might readily provide the possibility for the construction of upconversion fiber lasers and remote control of the upconversion luminescence.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
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- Li, Zongbao
- Yang, Jianxin
- Shi, Meng
- Yang, Liu
- Cheng, Yupeng
- Hu, Xiaowen
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- Jiang, Xiaofang
- Xing, Xiaobo
- He, Sailing
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