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PLR-QY1000 Quantum yield measurement system


PLR-QY1000 photocatalytic reaction quantum yield measurement system adopts a blackbody spherical reactor with an auxiliary U-shaped light window to prevent photon leakage and ensure complete absorption by the solution. It utilizes a laser light source wit
  • Introduction
  • Application
  • Literature
  • Maintenance

Key Features

● Utilizes a blackbody spherical reactor with an auxiliary U-shaped light window to prevent photon leakage and ensure complete absorption by the solution.

● Employs a laser light source with excellent monochromaticity, allowing accurate calculation of photon numbers based on light power.

● The reactor features temperature and humidity monitoring, enabling tracking of changes in the reaction system's temperature and humidity.

● Includes an external circulating water function in the reactor for precise temperature control during reactions.

● Equipped with an integrated vacuum pump and pressure regulator for gas exchange within the reactor and pressure regulation.

● Offers a data export function to a USB drive, facilitating user data analysis.


Application Areas

▲ Particularly applicable   ● Relatively applicable  ○ Can be used

▲ Photocatalytic Hydrogen Production: Quantum yield testing and hydrogen production rate testing


Technical Parameters

Reaction Gas: Nitrogen is used as the replacement gas, at 0.4~0.45 MPa.

Reaction Pressure: 20~130 kPa.

Laser Light Source: A 405 nm laser generator (standard), other wavelengths are available.

Reaction Volume: The residual reaction volume is approximately 150 mL (see calibration values for specifics).

Reaction Solution: 100 mL, with the option to configure different solution volumes.

Replacement Cycles: 0~255.

Replacement Efficiency: 100 ppm.

Stirring Speed: 250~1250 rpm.

Reaction Temperature: 0~60 °C.

Quantum Yield: 0.05%~100%.

  • Photocatalytic Hydrogen Production
  • [1]Qureshi Muhammad, Takanabe Kazuhiro *, Insights on measuring and reporting heterogeneous photocatalysis: efficiency definitions and setup examples[J]. Chemistry of Materials, 2017, 29, 158.
  • [2]Kisch Horst*, Bahnemann Detlef*, Best practice in photocatalysis: comparing rates or apparent quantum yields? [J]. The Journal of Physical Chemistry Letters, 2015, 6, 1907.
  • [3]Wang Zheng, Li Can, Domen Kazunari *, Recent developments in heterogeneous photocatalysts for solar-driven overall water splitting[J]. Chemical. Society. Reviews, 2019, 48, 2109.
  • [4]Lin Huiwen, Chang Kun*, Ye Jinhua* et. al., Ultrafine nano 1T-MoS2 monolayers with NiOx as dual co-catalysts over TiO2 photoharvester for efficient photocatalytic hydrogen evolution[J]. Applied Catalysis B: Environmental, 2020, 279, 119387.
  • [5]Cheng Lei, Yue Xiaoyang, Xiang quanjun* et. al., Dual-single-atom tailoring with bifunctional integration for high-performance CO2 photoreduction[J]. Advanced. Materials. 2021, 33, 2105135.
  • [6]Zhao zhanfeng, Yang Dong, Jiang zhongyi* et. al., Nitrogenase-inspired mixed-valence MIL-53(FeII/FeIII) for photocatalytic nitrogen fixation[J]. Chemical Engineering Journal, 2020, 400, 125929.
  • [7]Shen Yuke, Li Dekang, Ma Baojun* et. al., A ternary calabash model photocatalyst (Pd/MoP)/CdS for enhancing H2 evolution under visible light irradiation[J]. Applied Surface Science, 2021, 564, 150432.
  • [8]Hu Lijun, Jiang Shujuan*,Song Shaoqing* et. al., Spontaneous polarization electric field briskly boosting charge separation and transfer for sustainable photocatalytic H2 bubble evolution[J]. Applied Catalysis B: Environmental, 2021, 283, 119631.
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