Thermochromic composite film of VO
Vanadium dioxide (VO2) has attracted consideration because of its thermochromic performance in smart windows. However, the practical applications of VO2-based smart windows are seriously hindered by their low luminous transmittance (T lum), poor solar modulation efficiency (ΔT...
Ausführliche Beschreibung
Autor*in: |
Zhao, Xiuxian [verfasserIn] Yao, Wei [verfasserIn] Sun, Junhua [verfasserIn] Yu, Jiayuan [verfasserIn] Ma, Jiachen [verfasserIn] Liu, Tongyao [verfasserIn] Lu, Yizhong [verfasserIn] Hu, Riming [verfasserIn] Jiang, Xuchuan [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2023 |
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Übergeordnetes Werk: |
Enthalten in: The chemical engineering journal - Amsterdam : Elsevier, 1997, 460 |
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Übergeordnetes Werk: |
volume:460 |
DOI / URN: |
10.1016/j.cej.2023.141715 |
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Katalog-ID: |
ELV062644920 |
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520 | |a Vanadium dioxide (VO2) has attracted consideration because of its thermochromic performance in smart windows. However, the practical applications of VO2-based smart windows are seriously hindered by their low luminous transmittance (T lum), poor solar modulation efficiency (ΔT sol), and the monotonous “brown-yellowish” color. This study aims at developing a newly reported metal complex [(C2H5)2NH2]2NiBr4 and its core–shell structure of [(C2H5)2NH2]2NiBr4SiO2, combined with the thermochromic VO2 to enhance optical performance (T lum and ΔT sol). Density Functional Theory (DFT) calculations indicate that the as-obtained metal complex is thermodynamically stable, and the weaker NH…Br hydrogen bond makes the complex possesses a lower phase transition temperature (T C = 57.6 °C) than the reported [(C2H5)2NH2]2NiCl4 (T C = 75.4 °C). In addition, it is found that the SiO2 shell can effectively inhibit the deliquescence of the [(C2H5)2NH2]2NiBr4 complex, and DFT calculations reveal that the oxygen of SiO2 can bond with the hydrogen of ammonium, thus the water molecules in the air cannot continue to react with the complex. Interestingly, the combination of [(C2H5)2NH2]2NiBr4@SiO2/Polystyrene film with VO2/Polyvinylbutyral film demonstrates exemplary solar modulation abilities (T lum,low = 52.9 %, T lum,high = 37.3 %, ΔT sol = 25.7 %, Haze = 26.5 %), 2.1 times better than that of VO2/Polyvinylbutyral film (T lum,low = 55.9 %, T lum,high = 54.2 %, ΔT sol = 12.4 %, Haze = 17.2 %). Moreover, the color of VO2-based film changes from light-brown (at low temperature) to green (at high temperature). | ||
650 | 4 | |a Vanadium dioxide | |
650 | 4 | |a [(C | |
650 | 4 | |a Core–shell structure | |
650 | 4 | |a Thermochromic | |
650 | 4 | |a Smart window | |
700 | 1 | |a Yao, Wei |e verfasserin |4 aut | |
700 | 1 | |a Sun, Junhua |e verfasserin |4 aut | |
700 | 1 | |a Yu, Jiayuan |e verfasserin |4 aut | |
700 | 1 | |a Ma, Jiachen |e verfasserin |4 aut | |
700 | 1 | |a Liu, Tongyao |e verfasserin |4 aut | |
700 | 1 | |a Lu, Yizhong |e verfasserin |0 (orcid)0000-0002-0914-2780 |4 aut | |
700 | 1 | |a Hu, Riming |e verfasserin |4 aut | |
700 | 1 | |a Jiang, Xuchuan |e verfasserin |4 aut | |
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10.1016/j.cej.2023.141715 doi (DE-627)ELV062644920 (ELSEVIER)S1385-8947(23)00446-1 DE-627 ger DE-627 rda eng 660 VZ 660 VZ 58.10 bkl Zhao, Xiuxian verfasserin (orcid)0000-0001-6788-0362 aut Thermochromic composite film of VO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Vanadium dioxide (VO2) has attracted consideration because of its thermochromic performance in smart windows. However, the practical applications of VO2-based smart windows are seriously hindered by their low luminous transmittance (T lum), poor solar modulation efficiency (ΔT sol), and the monotonous “brown-yellowish” color. This study aims at developing a newly reported metal complex [(C2H5)2NH2]2NiBr4 and its core–shell structure of [(C2H5)2NH2]2NiBr4SiO2, combined with the thermochromic VO2 to enhance optical performance (T lum and ΔT sol). Density Functional Theory (DFT) calculations indicate that the as-obtained metal complex is thermodynamically stable, and the weaker NH…Br hydrogen bond makes the complex possesses a lower phase transition temperature (T C = 57.6 °C) than the reported [(C2H5)2NH2]2NiCl4 (T C = 75.4 °C). In addition, it is found that the SiO2 shell can effectively inhibit the deliquescence of the [(C2H5)2NH2]2NiBr4 complex, and DFT calculations reveal that the oxygen of SiO2 can bond with the hydrogen of ammonium, thus the water molecules in the air cannot continue to react with the complex. Interestingly, the combination of [(C2H5)2NH2]2NiBr4@SiO2/Polystyrene film with VO2/Polyvinylbutyral film demonstrates exemplary solar modulation abilities (T lum,low = 52.9 %, T lum,high = 37.3 %, ΔT sol = 25.7 %, Haze = 26.5 %), 2.1 times better than that of VO2/Polyvinylbutyral film (T lum,low = 55.9 %, T lum,high = 54.2 %, ΔT sol = 12.4 %, Haze = 17.2 %). Moreover, the color of VO2-based film changes from light-brown (at low temperature) to green (at high temperature). Vanadium dioxide [(C Core–shell structure Thermochromic Smart window Yao, Wei verfasserin aut Sun, Junhua verfasserin aut Yu, Jiayuan verfasserin aut Ma, Jiachen verfasserin aut Liu, Tongyao verfasserin aut Lu, Yizhong verfasserin (orcid)0000-0002-0914-2780 aut Hu, Riming verfasserin aut Jiang, Xuchuan verfasserin aut Enthalten in The chemical engineering journal Amsterdam : Elsevier, 1997 460 Online-Ressource (DE-627)320500322 (DE-600)2012137-4 (DE-576)098330152 1873-3212 nnns volume:460 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.10 Verfahrenstechnik: Allgemeines VZ AR 460 |
spelling |
10.1016/j.cej.2023.141715 doi (DE-627)ELV062644920 (ELSEVIER)S1385-8947(23)00446-1 DE-627 ger DE-627 rda eng 660 VZ 660 VZ 58.10 bkl Zhao, Xiuxian verfasserin (orcid)0000-0001-6788-0362 aut Thermochromic composite film of VO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Vanadium dioxide (VO2) has attracted consideration because of its thermochromic performance in smart windows. However, the practical applications of VO2-based smart windows are seriously hindered by their low luminous transmittance (T lum), poor solar modulation efficiency (ΔT sol), and the monotonous “brown-yellowish” color. This study aims at developing a newly reported metal complex [(C2H5)2NH2]2NiBr4 and its core–shell structure of [(C2H5)2NH2]2NiBr4SiO2, combined with the thermochromic VO2 to enhance optical performance (T lum and ΔT sol). Density Functional Theory (DFT) calculations indicate that the as-obtained metal complex is thermodynamically stable, and the weaker NH…Br hydrogen bond makes the complex possesses a lower phase transition temperature (T C = 57.6 °C) than the reported [(C2H5)2NH2]2NiCl4 (T C = 75.4 °C). In addition, it is found that the SiO2 shell can effectively inhibit the deliquescence of the [(C2H5)2NH2]2NiBr4 complex, and DFT calculations reveal that the oxygen of SiO2 can bond with the hydrogen of ammonium, thus the water molecules in the air cannot continue to react with the complex. Interestingly, the combination of [(C2H5)2NH2]2NiBr4@SiO2/Polystyrene film with VO2/Polyvinylbutyral film demonstrates exemplary solar modulation abilities (T lum,low = 52.9 %, T lum,high = 37.3 %, ΔT sol = 25.7 %, Haze = 26.5 %), 2.1 times better than that of VO2/Polyvinylbutyral film (T lum,low = 55.9 %, T lum,high = 54.2 %, ΔT sol = 12.4 %, Haze = 17.2 %). Moreover, the color of VO2-based film changes from light-brown (at low temperature) to green (at high temperature). Vanadium dioxide [(C Core–shell structure Thermochromic Smart window Yao, Wei verfasserin aut Sun, Junhua verfasserin aut Yu, Jiayuan verfasserin aut Ma, Jiachen verfasserin aut Liu, Tongyao verfasserin aut Lu, Yizhong verfasserin (orcid)0000-0002-0914-2780 aut Hu, Riming verfasserin aut Jiang, Xuchuan verfasserin aut Enthalten in The chemical engineering journal Amsterdam : Elsevier, 1997 460 Online-Ressource (DE-627)320500322 (DE-600)2012137-4 (DE-576)098330152 1873-3212 nnns volume:460 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.10 Verfahrenstechnik: Allgemeines VZ AR 460 |
allfields_unstemmed |
10.1016/j.cej.2023.141715 doi (DE-627)ELV062644920 (ELSEVIER)S1385-8947(23)00446-1 DE-627 ger DE-627 rda eng 660 VZ 660 VZ 58.10 bkl Zhao, Xiuxian verfasserin (orcid)0000-0001-6788-0362 aut Thermochromic composite film of VO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Vanadium dioxide (VO2) has attracted consideration because of its thermochromic performance in smart windows. However, the practical applications of VO2-based smart windows are seriously hindered by their low luminous transmittance (T lum), poor solar modulation efficiency (ΔT sol), and the monotonous “brown-yellowish” color. This study aims at developing a newly reported metal complex [(C2H5)2NH2]2NiBr4 and its core–shell structure of [(C2H5)2NH2]2NiBr4SiO2, combined with the thermochromic VO2 to enhance optical performance (T lum and ΔT sol). Density Functional Theory (DFT) calculations indicate that the as-obtained metal complex is thermodynamically stable, and the weaker NH…Br hydrogen bond makes the complex possesses a lower phase transition temperature (T C = 57.6 °C) than the reported [(C2H5)2NH2]2NiCl4 (T C = 75.4 °C). In addition, it is found that the SiO2 shell can effectively inhibit the deliquescence of the [(C2H5)2NH2]2NiBr4 complex, and DFT calculations reveal that the oxygen of SiO2 can bond with the hydrogen of ammonium, thus the water molecules in the air cannot continue to react with the complex. Interestingly, the combination of [(C2H5)2NH2]2NiBr4@SiO2/Polystyrene film with VO2/Polyvinylbutyral film demonstrates exemplary solar modulation abilities (T lum,low = 52.9 %, T lum,high = 37.3 %, ΔT sol = 25.7 %, Haze = 26.5 %), 2.1 times better than that of VO2/Polyvinylbutyral film (T lum,low = 55.9 %, T lum,high = 54.2 %, ΔT sol = 12.4 %, Haze = 17.2 %). Moreover, the color of VO2-based film changes from light-brown (at low temperature) to green (at high temperature). Vanadium dioxide [(C Core–shell structure Thermochromic Smart window Yao, Wei verfasserin aut Sun, Junhua verfasserin aut Yu, Jiayuan verfasserin aut Ma, Jiachen verfasserin aut Liu, Tongyao verfasserin aut Lu, Yizhong verfasserin (orcid)0000-0002-0914-2780 aut Hu, Riming verfasserin aut Jiang, Xuchuan verfasserin aut Enthalten in The chemical engineering journal Amsterdam : Elsevier, 1997 460 Online-Ressource (DE-627)320500322 (DE-600)2012137-4 (DE-576)098330152 1873-3212 nnns volume:460 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.10 Verfahrenstechnik: Allgemeines VZ AR 460 |
allfieldsGer |
10.1016/j.cej.2023.141715 doi (DE-627)ELV062644920 (ELSEVIER)S1385-8947(23)00446-1 DE-627 ger DE-627 rda eng 660 VZ 660 VZ 58.10 bkl Zhao, Xiuxian verfasserin (orcid)0000-0001-6788-0362 aut Thermochromic composite film of VO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Vanadium dioxide (VO2) has attracted consideration because of its thermochromic performance in smart windows. However, the practical applications of VO2-based smart windows are seriously hindered by their low luminous transmittance (T lum), poor solar modulation efficiency (ΔT sol), and the monotonous “brown-yellowish” color. This study aims at developing a newly reported metal complex [(C2H5)2NH2]2NiBr4 and its core–shell structure of [(C2H5)2NH2]2NiBr4SiO2, combined with the thermochromic VO2 to enhance optical performance (T lum and ΔT sol). Density Functional Theory (DFT) calculations indicate that the as-obtained metal complex is thermodynamically stable, and the weaker NH…Br hydrogen bond makes the complex possesses a lower phase transition temperature (T C = 57.6 °C) than the reported [(C2H5)2NH2]2NiCl4 (T C = 75.4 °C). In addition, it is found that the SiO2 shell can effectively inhibit the deliquescence of the [(C2H5)2NH2]2NiBr4 complex, and DFT calculations reveal that the oxygen of SiO2 can bond with the hydrogen of ammonium, thus the water molecules in the air cannot continue to react with the complex. Interestingly, the combination of [(C2H5)2NH2]2NiBr4@SiO2/Polystyrene film with VO2/Polyvinylbutyral film demonstrates exemplary solar modulation abilities (T lum,low = 52.9 %, T lum,high = 37.3 %, ΔT sol = 25.7 %, Haze = 26.5 %), 2.1 times better than that of VO2/Polyvinylbutyral film (T lum,low = 55.9 %, T lum,high = 54.2 %, ΔT sol = 12.4 %, Haze = 17.2 %). Moreover, the color of VO2-based film changes from light-brown (at low temperature) to green (at high temperature). Vanadium dioxide [(C Core–shell structure Thermochromic Smart window Yao, Wei verfasserin aut Sun, Junhua verfasserin aut Yu, Jiayuan verfasserin aut Ma, Jiachen verfasserin aut Liu, Tongyao verfasserin aut Lu, Yizhong verfasserin (orcid)0000-0002-0914-2780 aut Hu, Riming verfasserin aut Jiang, Xuchuan verfasserin aut Enthalten in The chemical engineering journal Amsterdam : Elsevier, 1997 460 Online-Ressource (DE-627)320500322 (DE-600)2012137-4 (DE-576)098330152 1873-3212 nnns volume:460 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.10 Verfahrenstechnik: Allgemeines VZ AR 460 |
allfieldsSound |
10.1016/j.cej.2023.141715 doi (DE-627)ELV062644920 (ELSEVIER)S1385-8947(23)00446-1 DE-627 ger DE-627 rda eng 660 VZ 660 VZ 58.10 bkl Zhao, Xiuxian verfasserin (orcid)0000-0001-6788-0362 aut Thermochromic composite film of VO 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Vanadium dioxide (VO2) has attracted consideration because of its thermochromic performance in smart windows. However, the practical applications of VO2-based smart windows are seriously hindered by their low luminous transmittance (T lum), poor solar modulation efficiency (ΔT sol), and the monotonous “brown-yellowish” color. This study aims at developing a newly reported metal complex [(C2H5)2NH2]2NiBr4 and its core–shell structure of [(C2H5)2NH2]2NiBr4SiO2, combined with the thermochromic VO2 to enhance optical performance (T lum and ΔT sol). Density Functional Theory (DFT) calculations indicate that the as-obtained metal complex is thermodynamically stable, and the weaker NH…Br hydrogen bond makes the complex possesses a lower phase transition temperature (T C = 57.6 °C) than the reported [(C2H5)2NH2]2NiCl4 (T C = 75.4 °C). In addition, it is found that the SiO2 shell can effectively inhibit the deliquescence of the [(C2H5)2NH2]2NiBr4 complex, and DFT calculations reveal that the oxygen of SiO2 can bond with the hydrogen of ammonium, thus the water molecules in the air cannot continue to react with the complex. Interestingly, the combination of [(C2H5)2NH2]2NiBr4@SiO2/Polystyrene film with VO2/Polyvinylbutyral film demonstrates exemplary solar modulation abilities (T lum,low = 52.9 %, T lum,high = 37.3 %, ΔT sol = 25.7 %, Haze = 26.5 %), 2.1 times better than that of VO2/Polyvinylbutyral film (T lum,low = 55.9 %, T lum,high = 54.2 %, ΔT sol = 12.4 %, Haze = 17.2 %). Moreover, the color of VO2-based film changes from light-brown (at low temperature) to green (at high temperature). Vanadium dioxide [(C Core–shell structure Thermochromic Smart window Yao, Wei verfasserin aut Sun, Junhua verfasserin aut Yu, Jiayuan verfasserin aut Ma, Jiachen verfasserin aut Liu, Tongyao verfasserin aut Lu, Yizhong verfasserin (orcid)0000-0002-0914-2780 aut Hu, Riming verfasserin aut Jiang, Xuchuan verfasserin aut Enthalten in The chemical engineering journal Amsterdam : Elsevier, 1997 460 Online-Ressource (DE-627)320500322 (DE-600)2012137-4 (DE-576)098330152 1873-3212 nnns volume:460 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.10 Verfahrenstechnik: Allgemeines VZ AR 460 |
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Zhao, Xiuxian @@aut@@ Yao, Wei @@aut@@ Sun, Junhua @@aut@@ Yu, Jiayuan @@aut@@ Ma, Jiachen @@aut@@ Liu, Tongyao @@aut@@ Lu, Yizhong @@aut@@ Hu, Riming @@aut@@ Jiang, Xuchuan @@aut@@ |
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Zhao, Xiuxian |
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Zhao, Xiuxian ddc 660 bkl 58.10 misc Vanadium dioxide misc [(C misc Core–shell structure misc Thermochromic misc Smart window Thermochromic composite film of VO |
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660 VZ 58.10 bkl Thermochromic composite film of VO Vanadium dioxide (C Core–shell structure Thermochromic Smart window |
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thermochromic composite film of vo |
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Thermochromic composite film of VO |
abstract |
Vanadium dioxide (VO2) has attracted consideration because of its thermochromic performance in smart windows. However, the practical applications of VO2-based smart windows are seriously hindered by their low luminous transmittance (T lum), poor solar modulation efficiency (ΔT sol), and the monotonous “brown-yellowish” color. This study aims at developing a newly reported metal complex [(C2H5)2NH2]2NiBr4 and its core–shell structure of [(C2H5)2NH2]2NiBr4SiO2, combined with the thermochromic VO2 to enhance optical performance (T lum and ΔT sol). Density Functional Theory (DFT) calculations indicate that the as-obtained metal complex is thermodynamically stable, and the weaker NH…Br hydrogen bond makes the complex possesses a lower phase transition temperature (T C = 57.6 °C) than the reported [(C2H5)2NH2]2NiCl4 (T C = 75.4 °C). In addition, it is found that the SiO2 shell can effectively inhibit the deliquescence of the [(C2H5)2NH2]2NiBr4 complex, and DFT calculations reveal that the oxygen of SiO2 can bond with the hydrogen of ammonium, thus the water molecules in the air cannot continue to react with the complex. Interestingly, the combination of [(C2H5)2NH2]2NiBr4@SiO2/Polystyrene film with VO2/Polyvinylbutyral film demonstrates exemplary solar modulation abilities (T lum,low = 52.9 %, T lum,high = 37.3 %, ΔT sol = 25.7 %, Haze = 26.5 %), 2.1 times better than that of VO2/Polyvinylbutyral film (T lum,low = 55.9 %, T lum,high = 54.2 %, ΔT sol = 12.4 %, Haze = 17.2 %). Moreover, the color of VO2-based film changes from light-brown (at low temperature) to green (at high temperature). |
abstractGer |
Vanadium dioxide (VO2) has attracted consideration because of its thermochromic performance in smart windows. However, the practical applications of VO2-based smart windows are seriously hindered by their low luminous transmittance (T lum), poor solar modulation efficiency (ΔT sol), and the monotonous “brown-yellowish” color. This study aims at developing a newly reported metal complex [(C2H5)2NH2]2NiBr4 and its core–shell structure of [(C2H5)2NH2]2NiBr4SiO2, combined with the thermochromic VO2 to enhance optical performance (T lum and ΔT sol). Density Functional Theory (DFT) calculations indicate that the as-obtained metal complex is thermodynamically stable, and the weaker NH…Br hydrogen bond makes the complex possesses a lower phase transition temperature (T C = 57.6 °C) than the reported [(C2H5)2NH2]2NiCl4 (T C = 75.4 °C). In addition, it is found that the SiO2 shell can effectively inhibit the deliquescence of the [(C2H5)2NH2]2NiBr4 complex, and DFT calculations reveal that the oxygen of SiO2 can bond with the hydrogen of ammonium, thus the water molecules in the air cannot continue to react with the complex. Interestingly, the combination of [(C2H5)2NH2]2NiBr4@SiO2/Polystyrene film with VO2/Polyvinylbutyral film demonstrates exemplary solar modulation abilities (T lum,low = 52.9 %, T lum,high = 37.3 %, ΔT sol = 25.7 %, Haze = 26.5 %), 2.1 times better than that of VO2/Polyvinylbutyral film (T lum,low = 55.9 %, T lum,high = 54.2 %, ΔT sol = 12.4 %, Haze = 17.2 %). Moreover, the color of VO2-based film changes from light-brown (at low temperature) to green (at high temperature). |
abstract_unstemmed |
Vanadium dioxide (VO2) has attracted consideration because of its thermochromic performance in smart windows. However, the practical applications of VO2-based smart windows are seriously hindered by their low luminous transmittance (T lum), poor solar modulation efficiency (ΔT sol), and the monotonous “brown-yellowish” color. This study aims at developing a newly reported metal complex [(C2H5)2NH2]2NiBr4 and its core–shell structure of [(C2H5)2NH2]2NiBr4SiO2, combined with the thermochromic VO2 to enhance optical performance (T lum and ΔT sol). Density Functional Theory (DFT) calculations indicate that the as-obtained metal complex is thermodynamically stable, and the weaker NH…Br hydrogen bond makes the complex possesses a lower phase transition temperature (T C = 57.6 °C) than the reported [(C2H5)2NH2]2NiCl4 (T C = 75.4 °C). In addition, it is found that the SiO2 shell can effectively inhibit the deliquescence of the [(C2H5)2NH2]2NiBr4 complex, and DFT calculations reveal that the oxygen of SiO2 can bond with the hydrogen of ammonium, thus the water molecules in the air cannot continue to react with the complex. Interestingly, the combination of [(C2H5)2NH2]2NiBr4@SiO2/Polystyrene film with VO2/Polyvinylbutyral film demonstrates exemplary solar modulation abilities (T lum,low = 52.9 %, T lum,high = 37.3 %, ΔT sol = 25.7 %, Haze = 26.5 %), 2.1 times better than that of VO2/Polyvinylbutyral film (T lum,low = 55.9 %, T lum,high = 54.2 %, ΔT sol = 12.4 %, Haze = 17.2 %). Moreover, the color of VO2-based film changes from light-brown (at low temperature) to green (at high temperature). |
collection_details |
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title_short |
Thermochromic composite film of VO |
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Yao, Wei Sun, Junhua Yu, Jiayuan Ma, Jiachen Liu, Tongyao Lu, Yizhong Hu, Riming Jiang, Xuchuan |
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In addition, it is found that the SiO2 shell can effectively inhibit the deliquescence of the [(C2H5)2NH2]2NiBr4 complex, and DFT calculations reveal that the oxygen of SiO2 can bond with the hydrogen of ammonium, thus the water molecules in the air cannot continue to react with the complex. Interestingly, the combination of [(C2H5)2NH2]2NiBr4@SiO2/Polystyrene film with VO2/Polyvinylbutyral film demonstrates exemplary solar modulation abilities (T lum,low = 52.9 %, T lum,high = 37.3 %, ΔT sol = 25.7 %, Haze = 26.5 %), 2.1 times better than that of VO2/Polyvinylbutyral film (T lum,low = 55.9 %, T lum,high = 54.2 %, ΔT sol = 12.4 %, Haze = 17.2 %). 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