Self-assembly of broadband-emitting SnOx nanodots for efficient Cr(VI) detection

Chromium is a metal commonly used in the manufacturing industry. However, when present in industrial wastewater and refuse, chromium causes serious water pollution. In this study, we synthesized a high-efficiency low-cost SnOx (SnO/SnO2) nanodot (ND) photocatalyst using monobutyltin trichloride (MBT...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Lin, Pei-Ying [verfasserIn] Kirankumar, Rajendranath [verfasserIn] Beck, David E. [verfasserIn] Hsieh, Shuchen [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Chromium Tin oxide Broadband fluorescence emission Photocatalytic activity

Übergeordnetes Werk:	Enthalten in: Sensors and actuators / B - Amsterdam [u.a.] : Elsevier Science, 1990, 355
Übergeordnetes Werk:	volume:355

DOI / URN:	10.1016/j.snb.2021.131299

Katalog-ID:	ELV007254113

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520			\|a Chromium is a metal commonly used in the manufacturing industry. However, when present in industrial wastewater and refuse, chromium causes serious water pollution. In this study, we synthesized a high-efficiency low-cost SnOx (SnO/SnO2) nanodot (ND) photocatalyst using monobutyltin trichloride (MBTC) using a one-step thermal decomposition process. SnOx NDs not only exhibit strong broadband and multicolor fluorescence emission (λem ranging from 450 nm to 585 nm), but also emit white light under ultraviolet irradiation. We also found that, under visible-light irradiation, SnOx NDs exhibited a photocurrent response that improved photocatalytic activity. In addition, we used electrochemical impedance spectroscopy (EIS) to detect Cr(VI) over a concentration range of 5–1000 ppb, with a detection limit of 0.006 ppb under light. This detection limit is lower than the maximum limit of 50 ppb for human water consumption, as stipulated by the European Union.
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650		4	\|a Tin oxide
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allfields	10.1016/j.snb.2021.131299 doi (DE-627)ELV007254113 (ELSEVIER)S0925-4005(21)01867-0 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Lin, Pei-Ying verfasserin aut Self-assembly of broadband-emitting SnOx nanodots for efficient Cr(VI) detection 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Chromium is a metal commonly used in the manufacturing industry. However, when present in industrial wastewater and refuse, chromium causes serious water pollution. In this study, we synthesized a high-efficiency low-cost SnOx (SnO/SnO2) nanodot (ND) photocatalyst using monobutyltin trichloride (MBTC) using a one-step thermal decomposition process. SnOx NDs not only exhibit strong broadband and multicolor fluorescence emission (λem ranging from 450 nm to 585 nm), but also emit white light under ultraviolet irradiation. We also found that, under visible-light irradiation, SnOx NDs exhibited a photocurrent response that improved photocatalytic activity. In addition, we used electrochemical impedance spectroscopy (EIS) to detect Cr(VI) over a concentration range of 5–1000 ppb, with a detection limit of 0.006 ppb under light. This detection limit is lower than the maximum limit of 50 ppb for human water consumption, as stipulated by the European Union. Chromium Tin oxide Broadband fluorescence emission Photocatalytic activity Kirankumar, Rajendranath verfasserin aut Beck, David E. verfasserin aut Hsieh, Shuchen verfasserin aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 355 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:355 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_63 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 355
spelling	10.1016/j.snb.2021.131299 doi (DE-627)ELV007254113 (ELSEVIER)S0925-4005(21)01867-0 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Lin, Pei-Ying verfasserin aut Self-assembly of broadband-emitting SnOx nanodots for efficient Cr(VI) detection 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Chromium is a metal commonly used in the manufacturing industry. However, when present in industrial wastewater and refuse, chromium causes serious water pollution. In this study, we synthesized a high-efficiency low-cost SnOx (SnO/SnO2) nanodot (ND) photocatalyst using monobutyltin trichloride (MBTC) using a one-step thermal decomposition process. SnOx NDs not only exhibit strong broadband and multicolor fluorescence emission (λem ranging from 450 nm to 585 nm), but also emit white light under ultraviolet irradiation. We also found that, under visible-light irradiation, SnOx NDs exhibited a photocurrent response that improved photocatalytic activity. In addition, we used electrochemical impedance spectroscopy (EIS) to detect Cr(VI) over a concentration range of 5–1000 ppb, with a detection limit of 0.006 ppb under light. This detection limit is lower than the maximum limit of 50 ppb for human water consumption, as stipulated by the European Union. Chromium Tin oxide Broadband fluorescence emission Photocatalytic activity Kirankumar, Rajendranath verfasserin aut Beck, David E. verfasserin aut Hsieh, Shuchen verfasserin aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 355 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:355 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_63 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 355
allfields_unstemmed	10.1016/j.snb.2021.131299 doi (DE-627)ELV007254113 (ELSEVIER)S0925-4005(21)01867-0 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Lin, Pei-Ying verfasserin aut Self-assembly of broadband-emitting SnOx nanodots for efficient Cr(VI) detection 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Chromium is a metal commonly used in the manufacturing industry. However, when present in industrial wastewater and refuse, chromium causes serious water pollution. In this study, we synthesized a high-efficiency low-cost SnOx (SnO/SnO2) nanodot (ND) photocatalyst using monobutyltin trichloride (MBTC) using a one-step thermal decomposition process. SnOx NDs not only exhibit strong broadband and multicolor fluorescence emission (λem ranging from 450 nm to 585 nm), but also emit white light under ultraviolet irradiation. We also found that, under visible-light irradiation, SnOx NDs exhibited a photocurrent response that improved photocatalytic activity. In addition, we used electrochemical impedance spectroscopy (EIS) to detect Cr(VI) over a concentration range of 5–1000 ppb, with a detection limit of 0.006 ppb under light. This detection limit is lower than the maximum limit of 50 ppb for human water consumption, as stipulated by the European Union. Chromium Tin oxide Broadband fluorescence emission Photocatalytic activity Kirankumar, Rajendranath verfasserin aut Beck, David E. verfasserin aut Hsieh, Shuchen verfasserin aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 355 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:355 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_63 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 355
allfieldsGer	10.1016/j.snb.2021.131299 doi (DE-627)ELV007254113 (ELSEVIER)S0925-4005(21)01867-0 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Lin, Pei-Ying verfasserin aut Self-assembly of broadband-emitting SnOx nanodots for efficient Cr(VI) detection 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Chromium is a metal commonly used in the manufacturing industry. However, when present in industrial wastewater and refuse, chromium causes serious water pollution. In this study, we synthesized a high-efficiency low-cost SnOx (SnO/SnO2) nanodot (ND) photocatalyst using monobutyltin trichloride (MBTC) using a one-step thermal decomposition process. SnOx NDs not only exhibit strong broadband and multicolor fluorescence emission (λem ranging from 450 nm to 585 nm), but also emit white light under ultraviolet irradiation. We also found that, under visible-light irradiation, SnOx NDs exhibited a photocurrent response that improved photocatalytic activity. In addition, we used electrochemical impedance spectroscopy (EIS) to detect Cr(VI) over a concentration range of 5–1000 ppb, with a detection limit of 0.006 ppb under light. This detection limit is lower than the maximum limit of 50 ppb for human water consumption, as stipulated by the European Union. Chromium Tin oxide Broadband fluorescence emission Photocatalytic activity Kirankumar, Rajendranath verfasserin aut Beck, David E. verfasserin aut Hsieh, Shuchen verfasserin aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 355 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:355 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_63 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 355
allfieldsSound	10.1016/j.snb.2021.131299 doi (DE-627)ELV007254113 (ELSEVIER)S0925-4005(21)01867-0 DE-627 ger DE-627 rda eng 530 620 DE-600 50.22 bkl 35.07 bkl Lin, Pei-Ying verfasserin aut Self-assembly of broadband-emitting SnOx nanodots for efficient Cr(VI) detection 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Chromium is a metal commonly used in the manufacturing industry. However, when present in industrial wastewater and refuse, chromium causes serious water pollution. In this study, we synthesized a high-efficiency low-cost SnOx (SnO/SnO2) nanodot (ND) photocatalyst using monobutyltin trichloride (MBTC) using a one-step thermal decomposition process. SnOx NDs not only exhibit strong broadband and multicolor fluorescence emission (λem ranging from 450 nm to 585 nm), but also emit white light under ultraviolet irradiation. We also found that, under visible-light irradiation, SnOx NDs exhibited a photocurrent response that improved photocatalytic activity. In addition, we used electrochemical impedance spectroscopy (EIS) to detect Cr(VI) over a concentration range of 5–1000 ppb, with a detection limit of 0.006 ppb under light. This detection limit is lower than the maximum limit of 50 ppb for human water consumption, as stipulated by the European Union. Chromium Tin oxide Broadband fluorescence emission Photocatalytic activity Kirankumar, Rajendranath verfasserin aut Beck, David E. verfasserin aut Hsieh, Shuchen verfasserin aut Enthalten in Sensors and actuators <Lausanne> / B Amsterdam [u.a.] : Elsevier Science, 1990 355 Online-Ressource (DE-627)306710358 (DE-600)1500731-5 (DE-576)082435855 0925-4005 nnns volume:355 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_63 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_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.22 Sensorik 35.07 Chemisches Labor chemische Methoden AR 355
language	English
source	Enthalten in Sensors and actuators <Lausanne> / B 355 volume:355
sourceStr	Enthalten in Sensors and actuators <Lausanne> / B 355 volume:355
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authorswithroles_txt_mv	Lin, Pei-Ying @@aut@@ Kirankumar, Rajendranath @@aut@@ Beck, David E. @@aut@@ Hsieh, Shuchen @@aut@@
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author	Lin, Pei-Ying
spellingShingle	Lin, Pei-Ying ddc 530 bkl 50.22 bkl 35.07 misc Chromium misc Tin oxide misc Broadband fluorescence emission misc Photocatalytic activity Self-assembly of broadband-emitting SnOx nanodots for efficient Cr(VI) detection
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topic_title	530 620 DE-600 50.22 bkl 35.07 bkl Self-assembly of broadband-emitting SnOx nanodots for efficient Cr(VI) detection Chromium Tin oxide Broadband fluorescence emission Photocatalytic activity
topic	ddc 530 bkl 50.22 bkl 35.07 misc Chromium misc Tin oxide misc Broadband fluorescence emission misc Photocatalytic activity
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title	Self-assembly of broadband-emitting SnOx nanodots for efficient Cr(VI) detection
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title_full	Self-assembly of broadband-emitting SnOx nanodots for efficient Cr(VI) detection
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title_sort	self-assembly of broadband-emitting snox nanodots for efficient cr(vi) detection
title_auth	Self-assembly of broadband-emitting SnOx nanodots for efficient Cr(VI) detection
abstract	Chromium is a metal commonly used in the manufacturing industry. However, when present in industrial wastewater and refuse, chromium causes serious water pollution. In this study, we synthesized a high-efficiency low-cost SnOx (SnO/SnO2) nanodot (ND) photocatalyst using monobutyltin trichloride (MBTC) using a one-step thermal decomposition process. SnOx NDs not only exhibit strong broadband and multicolor fluorescence emission (λem ranging from 450 nm to 585 nm), but also emit white light under ultraviolet irradiation. We also found that, under visible-light irradiation, SnOx NDs exhibited a photocurrent response that improved photocatalytic activity. In addition, we used electrochemical impedance spectroscopy (EIS) to detect Cr(VI) over a concentration range of 5–1000 ppb, with a detection limit of 0.006 ppb under light. This detection limit is lower than the maximum limit of 50 ppb for human water consumption, as stipulated by the European Union.
abstractGer	Chromium is a metal commonly used in the manufacturing industry. However, when present in industrial wastewater and refuse, chromium causes serious water pollution. In this study, we synthesized a high-efficiency low-cost SnOx (SnO/SnO2) nanodot (ND) photocatalyst using monobutyltin trichloride (MBTC) using a one-step thermal decomposition process. SnOx NDs not only exhibit strong broadband and multicolor fluorescence emission (λem ranging from 450 nm to 585 nm), but also emit white light under ultraviolet irradiation. We also found that, under visible-light irradiation, SnOx NDs exhibited a photocurrent response that improved photocatalytic activity. In addition, we used electrochemical impedance spectroscopy (EIS) to detect Cr(VI) over a concentration range of 5–1000 ppb, with a detection limit of 0.006 ppb under light. This detection limit is lower than the maximum limit of 50 ppb for human water consumption, as stipulated by the European Union.
abstract_unstemmed	Chromium is a metal commonly used in the manufacturing industry. However, when present in industrial wastewater and refuse, chromium causes serious water pollution. In this study, we synthesized a high-efficiency low-cost SnOx (SnO/SnO2) nanodot (ND) photocatalyst using monobutyltin trichloride (MBTC) using a one-step thermal decomposition process. SnOx NDs not only exhibit strong broadband and multicolor fluorescence emission (λem ranging from 450 nm to 585 nm), but also emit white light under ultraviolet irradiation. We also found that, under visible-light irradiation, SnOx NDs exhibited a photocurrent response that improved photocatalytic activity. In addition, we used electrochemical impedance spectroscopy (EIS) to detect Cr(VI) over a concentration range of 5–1000 ppb, with a detection limit of 0.006 ppb under light. This detection limit is lower than the maximum limit of 50 ppb for human water consumption, as stipulated by the European Union.
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title_short	Self-assembly of broadband-emitting SnOx nanodots for efficient Cr(VI) detection
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up_date	2024-07-07T00:07:49.726Z
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Self-assembly of broadband-emitting SnOx nanodots for efficient Cr(VI) detection

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