A wide solar spectrum light harvesting Ag2Se quantum dot-sensitized porous TiO2 nanofibers as photoanode for high-performance QDSC
被引:0
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作者:
Nisha Singh
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机构:Pondicherry University,Electro
Nisha Singh
Vignesh Murugadoss
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h-index: 0
机构:Pondicherry University,Electro
Vignesh Murugadoss
Jeniffa Rajavedhanayagam
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机构:Pondicherry University,Electro
Jeniffa Rajavedhanayagam
Subramania Angaiah
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机构:Pondicherry University,Electro
Subramania Angaiah
机构:
[1] Pondicherry University,Electro
来源:
Journal of Nanoparticle Research
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2019年
/
21卷
关键词:
Electrospinning;
Ag;
Se quantum dots;
TiO;
nanofibers;
Quantum dot-sensitized solar cell;
D O I:
暂无
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摘要:
A wide spectrum of light harvesting silver selenide (Ag2Se) quantum dots (QDs) with an average size of ~ 5 nm has been synthesized by a low-temperature one-pot hot injection method. To finely control the size of Ag2Se QDs, oleylamine was used as the solvent, and dodecanethiol was used as the capping agent as well as a stabilizer. The prepared Ag2Se QDs were ex situ sensitized on the porous TiO2 nanofiber (NF) substrate via a direct adsorption method to use as efficient photoanode for quantum dot-sensitized solar cell (QDSC). The UV-Vis-NIR absorption and photoluminescence studies revealed that Ag2Se QD-sensitized porous TiO2 NF photoanode (Ag2Se/P-TiO2) exhibited near-infrared (NIR) absorption and fast electron kinetics. Further, the QDSC fabricated using Ag2Se/P-TiO2 NFs as the photoanode, Cu2S as the counter electrode, and liquid polysulfide (S2−/Sx2− redox couple) as the electrolyte exhibited a photoconversion efficiency of 2.50% with an improved photocurrent density of 11.12 mA/cm2.
机构:
Natl Inst Fundamental Studies, Kandy, Sri Lanka
Univ Peradeniya, Postgrad Inst Sci, Peradeniya, Sri LankaNatl Inst Fundamental Studies, Kandy, Sri Lanka
Dissanayake, M. A. K. L.
Jaseetharan, T.
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机构:
Natl Inst Fundamental Studies, Kandy, Sri Lanka
Univ Peradeniya, Postgrad Inst Sci, Peradeniya, Sri LankaNatl Inst Fundamental Studies, Kandy, Sri Lanka
Jaseetharan, T.
Senadeera, G. K. R.
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机构:
Natl Inst Fundamental Studies, Kandy, Sri Lanka
Open Univ Sri Lanka, Dept Phys, Nugegoda, Sri LankaNatl Inst Fundamental Studies, Kandy, Sri Lanka
Senadeera, G. K. R.
Thotawatthage, C. A.
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机构:
Natl Inst Fundamental Studies, Kandy, Sri Lanka
Univ Peradeniya, Postgrad Inst Sci, Peradeniya, Sri LankaNatl Inst Fundamental Studies, Kandy, Sri Lanka
机构:
Natl Inst Fundamental Studies, Hantana Rd, Kandy, Sri Lanka
Univ Peradeniya, Postgrad Inst Sci, Peradeniya, Sri LankaNatl Inst Fundamental Studies, Hantana Rd, Kandy, Sri Lanka
Dissanayake, M. A. K. L.
Jaseetharan, T.
论文数: 0引用数: 0
h-index: 0
机构:
Natl Inst Fundamental Studies, Hantana Rd, Kandy, Sri Lanka
Univ Peradeniya, Postgrad Inst Sci, Peradeniya, Sri Lanka
South Eastern Univ Sri Lanka, Dept Phys Sci, Sammanthurai, Sri LankaNatl Inst Fundamental Studies, Hantana Rd, Kandy, Sri Lanka
Jaseetharan, T.
Senadeera, G. K. R.
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机构:
Natl Inst Fundamental Studies, Hantana Rd, Kandy, Sri Lanka
Open Univ Sri Lanka, Dept Phys, Nugegoda, Sri LankaNatl Inst Fundamental Studies, Hantana Rd, Kandy, Sri Lanka
Senadeera, G. K. R.
Kumari, M. K. W.
论文数: 0引用数: 0
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机构:
Natl Inst Fundamental Studies, Hantana Rd, Kandy, Sri LankaNatl Inst Fundamental Studies, Hantana Rd, Kandy, Sri Lanka
Kumari, M. K. W.
Thotawatthage, C. A.
论文数: 0引用数: 0
h-index: 0
机构:
Natl Inst Fundamental Studies, Hantana Rd, Kandy, Sri Lanka
Univ Peradeniya, Postgrad Inst Sci, Peradeniya, Sri LankaNatl Inst Fundamental Studies, Hantana Rd, Kandy, Sri Lanka
Thotawatthage, C. A.
Mellander, B-E
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机构:
Chalmers Univ Technol, Dept Appl Phys, Gothenburg, SwedenNatl Inst Fundamental Studies, Hantana Rd, Kandy, Sri Lanka
Mellander, B-E
Albinson, I
论文数: 0引用数: 0
h-index: 0
机构:
Univ Gothenburg, Dept Phys, Gothenburg, SwedenNatl Inst Fundamental Studies, Hantana Rd, Kandy, Sri Lanka
Albinson, I
Furlani, M.
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h-index: 0
机构:
Chalmers Univ Technol, Dept Appl Phys, Gothenburg, SwedenNatl Inst Fundamental Studies, Hantana Rd, Kandy, Sri Lanka
机构:
Hanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South KoreaHanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South Korea
Jung, Eun Sun
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机构:
Basit, Muhammad Abdul
Abbas, Muhammad Awais
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机构:
Hanyang Univ, Nanosensor Res Inst, Ansan 15588, South KoreaHanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South Korea
Abbas, Muhammad Awais
Ali, Ijaz
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机构:
Hanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South KoreaHanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South Korea
Ali, Ijaz
Kim, Dae Woong
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机构:
Hanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South KoreaHanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South Korea
Kim, Dae Woong
Park, Young Min
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机构:
Korea Inst Ind Technol KITECH, Adv Funct Technol R&D Grp, Incheon 21999, South KoreaHanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South Korea
Park, Young Min
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机构:
Bang, Jin Ho
Park, Tae Joo
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South Korea
Hanyang Univ, Nanosensor Res Inst, Ansan 15588, South KoreaHanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South Korea
机构:
Hanyang Univ, Dept Adv Mat Engn, Ansan 15588, South KoreaHanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South Korea
Abbas, Muhammad Awais
Jung, Eun Sun
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South KoreaHanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South Korea
Jung, Eun Sun
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机构:
Bang, Jin Ho
Park, Tae Joo
论文数: 0引用数: 0
h-index: 0
机构:
Hanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South Korea
Hanyang Univ, Dept Adv Mat Engn, Ansan 15588, South KoreaHanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South Korea