一种用于环境监测的高熵钙钛矿量子点荧光传感器
By designing a high-entropy perovskite quantum dot fluorescence sensor, integrating a graphene enhancement layer and modular microfluidics, the problems of insufficient sensitivity and complex sample preprocessing in existing equipment for environmental monitoring are solved, enabling efficient operation of multi-parameter detection and on-site detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHENGZHOU UNIV
- Filing Date
- 2025-05-12
- Publication Date
- 2026-07-17
AI Technical Summary
Existing equipment is insufficient in environmental monitoring due to its inadequate sensitivity for multi-parameter monitoring, and its sample preprocessing is complex, making it impossible to perform on-site testing of complex samples.
Design a high-entropy perovskite quantum dot fluorescence sensor comprising a glass substrate, a perovskite quantum dot layer, a graphene reinforcement layer, photoelectric detection and signal processing circuitry, and a PDMS substrate. Integrate a modular microfluidic design, support dual detection modes of FRET and competitive method, and be suitable for on-site detection of complex samples such as blood and saliva.
It enables multi-parameter environmental monitoring, improves detection sensitivity, and reduces manual operation steps through integrated design, making it suitable for on-site detection of complex samples.
Smart Images
Figure CN224518541U_ABST
Abstract
Claims
1. A high-entropy perovskite quantum dot fluorescent sensor for environmental monitoring, characterized in that: Includes a glass substrate, on which a high-entropy perovskite quantum dot layer (4) is provided, and above the high-entropy perovskite quantum dot layer (4) are an LED light source and a filter (2) in sequence, and above the filter is a cover (1). A graphene reinforcement layer (5) is provided below the high-entropy perovskite quantum dot layer (4), and a photoelectric detection and signal processing circuit (6) and a PDMS substrate (7) are provided below the graphene reinforcement layer (5) in sequence. 2.The high-entropy perovskite quantum dot fluorescent sensor for environmental monitoring of claim 1, wherein: The PDMS substrate (7) is made of a flexible transparent polymer, and the surface of the PDMS substrate (7) is provided with amino or carboxyl groups. 3.The high-entropy perovskite quantum dot fluorescent sensor for environmental monitoring of claim 1, wherein: The photoelectric detection and signal processing circuit (6) includes a photoelectric detection unit and a signal processing unit. The photoelectric detection unit detects fluorescence signals and transmits the signals to the signal processing unit. The signal processing unit calculates and sends the results to the display unit. 4.The high-entropy perovskite quantum dot fluorescent sensor for environmental monitoring of claim 1, wherein: The high-entropy perovskite quantum dot layer (4) is provided with a SiO2 protective layer (3). 5.The high-entropy perovskite quantum dot fluorescent sensor for environmental monitoring of claim 4, wherein: The thickness of the SiO2 protective layer (3) is 5 nm. 6.The high-entropy perovskite quantum dot fluorescent sensor for environmental monitoring of claim 1, wherein: The high-entropy perovskite quantum dot layer (4) is composed of lead-free high-entropy perovskite quantum dots, which are uniformly coated on a glass substrate.