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In-situ growth of CdS quantum dots on g-C3N4 nanosheets for highly efficient photocatalytic hydrogen generation under visible light irradiation

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : In-situ growth of CdS quantum dots on g-C3N4 nanosheets for highly efficient photocatalytic hydrogen generation under visible light irradiation
นักวิจัย : Cao, Shao-Wen , Yuan, Yu-Peng , Fang, Jun , Mohammad Mehdi Shahjamali , Boey, Freddy Yin Chiang , Barber, James , Loo, Say Chye Joachim , Xue, Can
คำค้น : DRNTU::Science::Chemistry::Physical chemistry::Quantum chemistry
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2555
อ้างอิง : Cao, S., Yuan, Y., Fang, J., Mohammad, M. S., Boey, F. Y. C., Barber, J., et al. (2012). In-situ growth of CdS quantum dots on g-C3N4 nanosheets for highly efficient photocatalytic hydrogen generation under visible light irradiation. International Journal of Hydrogen Energy, 38(3), 1258-1266. , http://hdl.handle.net/10220/9981 , http://dx.doi.org/10.1016/j.ijhydene.2012.10.116 , 172545
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : International journal of hydrogen energy
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

Well dispersed CdS quantum dots were successfully grown in-situ on g-C3N4 nanosheets through a solvothermal method involving dimethyl sulfoxide. The resultant CdSeC3N4 nanocomposites exhibit remarkably higher efficiency for photocatalytic hydrogen evolution under visible light irradiation as compared to pure g-C3N4. The optimal composite with 12 wt% CdS showed a hydrogen evolution rate of 4.494 mmol h 1 g 1 , which is more than 115 times higher than that of pure g-C3N4. The enhanced photocatalytic activity induced by the in-situ grown CdS quantum dots is attributed to the interfacial transfer of photogenerated electrons and holes between g-C3N4 and CdS, which leads to effective charge separation on both parts.

NRF (Natl Research Foundation, S’pore)

MOE (Min. of Education, S’pore)

บรรณานุกรม :
Cao, Shao-Wen , Yuan, Yu-Peng , Fang, Jun , Mohammad Mehdi Shahjamali , Boey, Freddy Yin Chiang , Barber, James , Loo, Say Chye Joachim , Xue, Can . (2555). In-situ growth of CdS quantum dots on g-C3N4 nanosheets for highly efficient photocatalytic hydrogen generation under visible light irradiation.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Cao, Shao-Wen , Yuan, Yu-Peng , Fang, Jun , Mohammad Mehdi Shahjamali , Boey, Freddy Yin Chiang , Barber, James , Loo, Say Chye Joachim , Xue, Can . 2555. "In-situ growth of CdS quantum dots on g-C3N4 nanosheets for highly efficient photocatalytic hydrogen generation under visible light irradiation".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Cao, Shao-Wen , Yuan, Yu-Peng , Fang, Jun , Mohammad Mehdi Shahjamali , Boey, Freddy Yin Chiang , Barber, James , Loo, Say Chye Joachim , Xue, Can . "In-situ growth of CdS quantum dots on g-C3N4 nanosheets for highly efficient photocatalytic hydrogen generation under visible light irradiation."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2555. Print.
Cao, Shao-Wen , Yuan, Yu-Peng , Fang, Jun , Mohammad Mehdi Shahjamali , Boey, Freddy Yin Chiang , Barber, James , Loo, Say Chye Joachim , Xue, Can . In-situ growth of CdS quantum dots on g-C3N4 nanosheets for highly efficient photocatalytic hydrogen generation under visible light irradiation. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2555.