Studies on solution-processed tungsten oxide nanostructures for efficient hole transport in the inverted polymer solar cells
Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorgani...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Remya, R. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020transfer abstract |
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| Übergeordnetes Werk: |
Enthalten in: Road traffic crash characteristics of drivers who take prescription medicines that carry a risk to driving - Lu, Li ELSEVIER, 2020, including materials science communications : an international, interdisciplinary journal on science characterization and processing of advanced materials : the international journal of the Chinese Society for Materials Science, New York, NY [u.a.] |
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| Übergeordnetes Werk: |
volume:255 ; year:2020 ; day:15 ; month:11 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.matchemphys.2020.123584 |
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ELV05150328X |
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| 520 | |a Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. | ||
| 520 | |a Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. | ||
| 650 | 7 | |a Hole transporting layer (HTL) |2 Elsevier | |
| 650 | 7 | |a Polymer solar cell |2 Elsevier | |
| 650 | 7 | |a Hydrated tungsten trioxide |2 Elsevier | |
| 700 | 1 | |a Gayathri, P.T.G. |4 oth | |
| 700 | 1 | |a Deb, Biswapriya |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Lu, Li ELSEVIER |t Road traffic crash characteristics of drivers who take prescription medicines that carry a risk to driving |d 2020 |d including materials science communications : an international, interdisciplinary journal on science characterization and processing of advanced materials : the international journal of the Chinese Society for Materials Science |g New York, NY [u.a.] |w (DE-627)ELV005250781 |
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10.1016/j.matchemphys.2020.123584 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001155.pica (DE-627)ELV05150328X (ELSEVIER)S0254-0584(20)30948-2 DE-627 ger DE-627 rakwb eng 610 VZ 44.38 bkl 44.91 bkl Remya, R. verfasserin aut Studies on solution-processed tungsten oxide nanostructures for efficient hole transport in the inverted polymer solar cells 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. Hole transporting layer (HTL) Elsevier Polymer solar cell Elsevier Hydrated tungsten trioxide Elsevier Gayathri, P.T.G. oth Deb, Biswapriya oth Enthalten in Elsevier Lu, Li ELSEVIER Road traffic crash characteristics of drivers who take prescription medicines that carry a risk to driving 2020 including materials science communications : an international, interdisciplinary journal on science characterization and processing of advanced materials : the international journal of the Chinese Society for Materials Science New York, NY [u.a.] (DE-627)ELV005250781 volume:255 year:2020 day:15 month:11 pages:0 https://doi.org/10.1016/j.matchemphys.2020.123584 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.38 Pharmakologie VZ 44.91 Psychiatrie Psychopathologie VZ AR 255 2020 15 1115 0 |
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10.1016/j.matchemphys.2020.123584 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001155.pica (DE-627)ELV05150328X (ELSEVIER)S0254-0584(20)30948-2 DE-627 ger DE-627 rakwb eng 610 VZ 44.38 bkl 44.91 bkl Remya, R. verfasserin aut Studies on solution-processed tungsten oxide nanostructures for efficient hole transport in the inverted polymer solar cells 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. Hole transporting layer (HTL) Elsevier Polymer solar cell Elsevier Hydrated tungsten trioxide Elsevier Gayathri, P.T.G. oth Deb, Biswapriya oth Enthalten in Elsevier Lu, Li ELSEVIER Road traffic crash characteristics of drivers who take prescription medicines that carry a risk to driving 2020 including materials science communications : an international, interdisciplinary journal on science characterization and processing of advanced materials : the international journal of the Chinese Society for Materials Science New York, NY [u.a.] (DE-627)ELV005250781 volume:255 year:2020 day:15 month:11 pages:0 https://doi.org/10.1016/j.matchemphys.2020.123584 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.38 Pharmakologie VZ 44.91 Psychiatrie Psychopathologie VZ AR 255 2020 15 1115 0 |
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10.1016/j.matchemphys.2020.123584 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001155.pica (DE-627)ELV05150328X (ELSEVIER)S0254-0584(20)30948-2 DE-627 ger DE-627 rakwb eng 610 VZ 44.38 bkl 44.91 bkl Remya, R. verfasserin aut Studies on solution-processed tungsten oxide nanostructures for efficient hole transport in the inverted polymer solar cells 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. Hole transporting layer (HTL) Elsevier Polymer solar cell Elsevier Hydrated tungsten trioxide Elsevier Gayathri, P.T.G. oth Deb, Biswapriya oth Enthalten in Elsevier Lu, Li ELSEVIER Road traffic crash characteristics of drivers who take prescription medicines that carry a risk to driving 2020 including materials science communications : an international, interdisciplinary journal on science characterization and processing of advanced materials : the international journal of the Chinese Society for Materials Science New York, NY [u.a.] (DE-627)ELV005250781 volume:255 year:2020 day:15 month:11 pages:0 https://doi.org/10.1016/j.matchemphys.2020.123584 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.38 Pharmakologie VZ 44.91 Psychiatrie Psychopathologie VZ AR 255 2020 15 1115 0 |
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10.1016/j.matchemphys.2020.123584 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001155.pica (DE-627)ELV05150328X (ELSEVIER)S0254-0584(20)30948-2 DE-627 ger DE-627 rakwb eng 610 VZ 44.38 bkl 44.91 bkl Remya, R. verfasserin aut Studies on solution-processed tungsten oxide nanostructures for efficient hole transport in the inverted polymer solar cells 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. Hole transporting layer (HTL) Elsevier Polymer solar cell Elsevier Hydrated tungsten trioxide Elsevier Gayathri, P.T.G. oth Deb, Biswapriya oth Enthalten in Elsevier Lu, Li ELSEVIER Road traffic crash characteristics of drivers who take prescription medicines that carry a risk to driving 2020 including materials science communications : an international, interdisciplinary journal on science characterization and processing of advanced materials : the international journal of the Chinese Society for Materials Science New York, NY [u.a.] (DE-627)ELV005250781 volume:255 year:2020 day:15 month:11 pages:0 https://doi.org/10.1016/j.matchemphys.2020.123584 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.38 Pharmakologie VZ 44.91 Psychiatrie Psychopathologie VZ AR 255 2020 15 1115 0 |
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10.1016/j.matchemphys.2020.123584 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001155.pica (DE-627)ELV05150328X (ELSEVIER)S0254-0584(20)30948-2 DE-627 ger DE-627 rakwb eng 610 VZ 44.38 bkl 44.91 bkl Remya, R. verfasserin aut Studies on solution-processed tungsten oxide nanostructures for efficient hole transport in the inverted polymer solar cells 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. Hole transporting layer (HTL) Elsevier Polymer solar cell Elsevier Hydrated tungsten trioxide Elsevier Gayathri, P.T.G. oth Deb, Biswapriya oth Enthalten in Elsevier Lu, Li ELSEVIER Road traffic crash characteristics of drivers who take prescription medicines that carry a risk to driving 2020 including materials science communications : an international, interdisciplinary journal on science characterization and processing of advanced materials : the international journal of the Chinese Society for Materials Science New York, NY [u.a.] (DE-627)ELV005250781 volume:255 year:2020 day:15 month:11 pages:0 https://doi.org/10.1016/j.matchemphys.2020.123584 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.38 Pharmakologie VZ 44.91 Psychiatrie Psychopathologie VZ AR 255 2020 15 1115 0 |
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studies on solution-processed tungsten oxide nanostructures for efficient hole transport in the inverted polymer solar cells |
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Studies on solution-processed tungsten oxide nanostructures for efficient hole transport in the inverted polymer solar cells |
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Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. |
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Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. |
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Electron/hole transporting interlayer films are vital to photovoltaic devices for enhancing both efficiency and stability. The acidic nature of the standard anode buffer layer (or hole transport layer; HTL) PEDOT:PSS limits the stability of inverted polymer solar cells (IPSCs). High-quality inorganic substitutes for PEDOT:PSS usually needs vacuum deposition and therefore are not preferred choice for the large-scale and low-cost production of IPSCs. Here, we fabricated highly efficient and stable IPSCs with solution-processed tungsten oxide (WO3) anode buffer layer as an alternative. The effect of acidity over device stability was compared with WO3 nanostructures in different solvents. We fabricated IPSCs without encapsulation using both standard P3HT:PC61BM and low-bandgap polymer PTB7:PC71BM bulk heterojunction (BHJ) with acidic (WO3 nanoparticle; WNP) and neutral (WO3 nanosheets; WNS) anodic buffer layers. Cells fabricated with WNS layer exhibit ~11% (η = 5.1%) and ~15% (η = 7.8%) enhancements in the PCE for P3HT:PC61BM and PTB7:PC71BM bulk heterojunction (BHJ) respectively, compared to the standard cells made with PEDOT:PSS. Also, this is the first report where a WNS and P3HT:PC61BM blend is used as the anode buffer layer that yields the highest efficiency of ~5.1% with excellent air stability of ~240 h without encapsulation. |
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