Perovskite laser and preparation method thereof
By constructing a three-dimensional array structure of perovskite lasers and utilizing a combination of transparent media and luminescent materials, the problems of difficult production and complex integration processes of existing perovskite lasers have been solved, achieving low-cost, high-performance laser preparation.
Patent Information
- Application Number
- CN202510803761.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-16
- Publication Date
- 2025-09-26
AI Technical Summary
Existing perovskite lasers usually have the problem of simple structure and complex integration process, which makes their production difficult.
A perovskite laser with a three-dimensional array structure is prepared by combining transparent dielectric materials and luminescent materials through ultrasonic treatment and heating treatment to simplify the production process and optimize optical performance.
It achieves flexible and adjustable structural parameters and good optical performance, reduces production costs, and improves the compatibility and integration of lasers.
Smart Images
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Abstract
Description
Technical Field
[0001] The present application relates to the field of laser technology, and in particular, to a perovskite laser and a preparation method thereof. Background Art
[0002] Existing perovskite lasers usually have a one-dimensional or two-dimensional structure, and the structure is regulated by chemical growth. However, chemically grown perovskite lasers have the disadvantages of simple structure and complex integration process.
[0003] Therefore, further research is needed on perovskite lasers. Summary of the Invention
[0004] This application aims to address, at least to some extent, at least one of the technical problems existing in the prior art. To this end, this application provides a perovskite laser and a method for its preparation. This perovskite laser has a three-dimensional array structure, flexible and adjustable structural parameters, and excellent optical performance. The method for preparing this perovskite laser is simple and does not require complex chemical growth control and integration processes.
[0005] In a first aspect of the present application, a perovskite laser is proposed. According to an embodiment of the present application, the perovskite laser includes: a first material and a second material, wherein the first material is a substrate of the perovskite laser, and the interior of the first material has a nanochannel structure; the second material is a gain material of the perovskite laser, and the second material is regularly arranged in the form of perovskite nanowires inside the first material to form an array.
[0006] In this way, a three-dimensional array structure of perovskite laser was constructed to simplify the production process, reduce costs, and optimize the laser performance, so that it has flexible and adjustable structural parameters, excellent optical performance, good compatibility and integration, thus to a certain extent solving the technical problems of complex integration process and difficult production of perovskite lasers in existing technologies.
[0007] According to an embodiment of the present application, the first material is a transparent dielectric material; the transparent dielectric material includes: at least one of quartz, glass, PMMA, PVA and PDMS.
[0008] According to an embodiment of the present application, the second material is a luminescent material; the luminescent material includes: at least one of an organic hybrid perovskite material, an inorganic hybrid perovskite material and an inorganic metal perovskite material.
[0009] According to an embodiment of the present application, the lateral spacing, depth and diameter of the nanowires can be adjusted.
[0010] According to an embodiment of the present application, the regularly arranged shape of the nanochannels includes at least one of a square, a circle, and an ellipse.
[0011] In the second aspect of the present application, the present application proposes a method for preparing the perovskite laser described in the first aspect. According to an embodiment of the present application, the method includes: ultrasonically treating the first material in a precursor solution of the second material to obtain a mixture; and heating the mixture to obtain the perovskite laser.
[0012] According to an embodiment of the present application, the temperature of the ultrasonic treatment is 20-30°C.
[0013] According to an embodiment of the present application, the ultrasonic treatment time is 2 to 6 hours.
[0014] According to an embodiment of the present application, the temperature of the heating treatment is 60-100°C.
[0015] According to an embodiment of the present application, the heating treatment time is 2 to 6 hours.
[0016] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become obvious from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0018] Figure 1 A schematic structural diagram of a perovskite laser provided in one embodiment of the present application;
[0019] Figure 2 A schematic diagram of a perovskite laser nanochannel provided in one embodiment of the present application;
[0020] Figure 3 A schematic diagram of the preparation of a perovskite laser nanochannel array structure provided in one embodiment of the present application;
[0021] Explanation of main component symbols: 1-first material; 2-second material. DETAILED DESCRIPTION
[0022] The embodiments of the present application are described in detail below. The embodiments described below are exemplary and are only used to explain the present application, and should not be understood as limiting the present application.
[0023] It should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, features defined as "first" or "second" may explicitly or implicitly include one or more of such features. Furthermore, in the description of this application, unless otherwise specified, "plurality" means two or more.
[0024] The endpoints of the ranges and any values disclosed herein are not limited to the precise ranges or values, and these ranges or values should be understood to include values close to these ranges or values. For numerical ranges, the endpoints of each range, the endpoints of each range and individual point values, and the individual point values can be combined with each other to obtain one or more new numerical ranges, which should be considered to be specifically disclosed herein.
[0025] In this document, the terms "include" or "comprising" are open expressions, that is, including the contents specified in this application, but not excluding other contents.
[0026] As used herein, the terms "optionally," "optional," or "optionally" generally mean that the subsequently described event or circumstance may but need not occur, and that the description includes instances where the event or circumstance occurs and instances where it does not.
[0027] Perovskite lasers
[0028] In the first aspect of the present application, the present application proposes a perovskite laser, referring to Figure 1 The perovskite laser comprises: a first material and a second material, wherein the first material is the substrate of the perovskite laser and has a nanochannel structure inside the first material; the second material is the gain material of the perovskite laser and is regularly arranged in the form of perovskite nanowires inside the first material to form an array. Figure 2 As shown, it includes a first material 1 and a second material 2.
[0029] In this way, a three-dimensional array structure of perovskite laser was constructed to simplify the production process, reduce costs, and optimize the laser performance, so that it has flexible and adjustable structural parameters, excellent optical performance, good compatibility and integration, thus to a certain extent solving the technical problems of complex integration process and difficult production of perovskite lasers in existing technologies.
[0030] According to an embodiment of the present application, the first material is a transparent dielectric material; the transparent dielectric material includes at least one of quartz, glass, PMMA, PVA, and PDMS. Thus, the first material can be selected in a variety of ways, and the most suitable material can be selected based on actual application requirements to meet the different optical, mechanical, and chemical requirements of perovskite lasers.
[0031] According to an embodiment of the present application, the second material is a luminescent material; the luminescent material includes at least one of an organic hybrid perovskite material, an inorganic hybrid perovskite material, and an inorganic metal perovskite material. Thus, the second material is diverse in its selection, and the most suitable material can be selected based on actual application requirements to meet the luminescent performance requirements of different application scenarios.
[0032] According to embodiments of the present application, the lateral spacing, depth, and diameter of the nanowires can be adjusted. Methods for adjustment include directly changing the laser power, changing the laser focus spot size, changing the focusing mirror movement distance, changing the movement state of the mobile platform, changing the movement state of the laser beam, and other methods.
[0033] According to an embodiment of the present application, the regularly arranged shape of the nanochannels includes at least one of a square, a circle, and an ellipse. Thus, the regularly arranged shape of the nanochannels can be achieved by controlling the moving platform, controlling the moving trajectory of the laser beam, and the like.
[0034] method
[0035] In the second aspect of the present application, the present application proposes a method for preparing the perovskite laser described in the first aspect. According to the embodiments of the present application, referring to Figure 3 The method includes: ultrasonically treating the first material 1 in a precursor solution of the second material 2 to obtain a mixture; and heating the mixture to obtain the perovskite laser. Thus, the method for preparing the perovskite laser is simple and does not require complex chemical growth control and integration processes.
[0036] According to an embodiment of the present application, the temperature of the ultrasonic treatment is 20-30° C. For example, it can be 20° C., 21° C., 22° C., 23° C., 24° C., 25° C., 26° C., 27° C., 28° C., 29° C., 30° C., etc.
[0037] According to an embodiment of the present application, the ultrasonic treatment time is 2 to 6 hours, for example, 2 hours, 3 hours, 4 hours, 5 hours, 6 hours, etc.
[0038] According to an embodiment of the present application, the temperature of the heat treatment is 60-100° C. For example, it can be 60° C., 61° C., 62° C., 63° C., 64° C., 65° C., 66° C., 67° C., 68° C., 69° C., 70° C., 80° C., 90° C., 100° C., etc.
[0039] According to an embodiment of the present application, the heating treatment time is 2 to 6 hours, for example, 2 hours, 3 hours, 4 hours, 5 hours, 6 hours, etc.
[0040] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.
[0041] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.
Claims
1. A perovskite laser, characterized in that include: A first material and a second material, wherein the first material is the substrate of the perovskite laser, and the interior of the first material has a nanochannel structure; the second material is the gain material of the perovskite laser, and the second material is regularly arranged in the form of perovskite nanowires inside the first material to form an array.
2. The perovskite laser according to claim 1, wherein The first material is a transparent medium material; The transparent medium material includes at least one of quartz, glass, PMMA, PVA and PDMS.
3. The perovskite laser according to claim 1, characterized in that The second material is a luminescent material; The light-emitting material includes at least one of an organic hybrid perovskite material, an inorganic hybrid perovskite material and an inorganic metal perovskite material.
4. The perovskite laser according to claim 1, characterized in that The lateral spacing, depth and diameter of the nanowires can be adjusted.
5. The perovskite laser according to claim 1, characterized in that The regularly arranged shape of the nanochannels includes at least one of a square, a circle, and an ellipse.
6. A method for preparing the perovskite laser according to any one of claims 1 to 5, characterized in that: include: subjecting the first material to ultrasonic treatment in a precursor solution of the second material to obtain a mixture; The mixture is subjected to a heat treatment to obtain the perovskite laser.
7. The method according to claim 6, characterized in that The temperature of the ultrasonic treatment is 20-30°C.
8. The method according to claim 6, characterized in that The ultrasonic treatment time is 2 to 6 hours.
9. The method according to claim 6, characterized in that The temperature of the heating treatment is 60-100°C.
10. The method according to claim 6, characterized in that The heating treatment time is 2 to 6 hours.