CsPbBr<sub>3</sub>/CMS-Na淀粉钠复合材料的发光性能和稳定性研究

董其铮; 田丙龙; 张文博; 黄欣怡; 黄诚

doi:10.6054/j.jscnun.2023034

CsPbBr₃/CMS-Na淀粉钠复合材料的发光性能和稳定性研究

doi: 10.6054/j.jscnun.2023034

兰州理工大学材料科学与工程学院/有色金属先进加工与回收国家重点实验室，兰州 730050

基金项目:

甘肃省重点研究发展计划项目 17JR7GA014

详细信息

通讯作者:
董其铮，Email: dongqzh@163.com

中图分类号: TP34
计量
- 文章访问数: 10
- HTML全文浏览量: 4
- PDF下载量: 38
- 被引次数: 0
出版历程
- 收稿日期: 2022-05-23
- 网络出版日期: 2023-08-26
- 刊出日期: 2023-06-25

Study on Luminescence Properties and Stability of CsPbBr₃/CMS-Na Starch

School of Materials Science and Engineering, Lanzhou University of Technology/State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou 730050, China

摘要

摘要: 首次采用原位生长法合成了CsPbBr₃/CMS-Na复合材料。采用X射线衍射、透射电子显微镜、X射线光电子能谱和荧光分光光度计等手段对样品的晶体结构、微观形貌、发光性能进行了表征与稳定性能研究。结果表明：CsPbBr₃/CMS-Na复合材料的光致发光光谱出现了518~502 nm的有序蓝移；荧光强度显著提高，当CsPbBr₃与CMS-Na的质量比为1 ∶ 2时，绿光发射最亮；CsPbBr₃/CMS-Na复合材料展现出优异的稳定性，在空气中放置21 d，荧光强度为初始强度的67.6%。研究结果对于CsPbBr₃量子点在照明显示领域具有潜在的应用价值。
- CsPbBr₃量子点 /
- 发光强度 /
- 稳定性 /
- 复合材料
Abstract: CsPbBr₃/CMS-Na composites were synthesized by in-situ growth method for the first time. The crystal structure, morphology and luminescence properties of the samples were characterized by X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy and fluorescence spectrophotometer. The results show that the photoluminescence spectra of CsPbBr₃/CMS-Na composites behave an ordered blue-shift of 518 to 502 nm. The fluorescence intensity is significantly increased, and the green light emission is brightest when the mass ratio of CsPbBr₃ to CMS-Na is 1 ∶ 2. The CsPbBr₃/CMS-Na composites show excellent stability, remaining 67.6% of the initial brightness after 21 d in air. The results have potential application value for CsPbBr₃ quantum dots in the field of lighting and display.
- CsPbBr₃ QDs /
- luminous intensity /
- stability /
- composite materials

HTML全文

图 1 不同复合质量比CsPbBr₃/CMS-Na样品的XRD图谱

Figure 1. The XRD patterns of samples with different composite mass ratios of CsPbBr₃/CMS-Na

下载: 全尺寸图片幻灯片

图 2 不同材料的发光性质

Figure 2. The luminescent properties of different materials

下载: 全尺寸图片幻灯片

图 3 不同材料的XPS谱

Figure 3. The XPS spectra of different materials

下载: 全尺寸图片幻灯片

图 4 CsPbBr₃/CMS-Na复合物的SEM、TEM图及元素映射图

注：复合质量比m(CsPbBr₃) ∶ m(CMS-Na)=1 ∶ 2。图C为Cs、Pb、Br、C、O、Na元素映射分布。

Figure 4. The SEM, TEM images and the elements map of CsPbBr₃/CMS-Na composite

下载: 全尺寸图片幻灯片

图 5 在空气中放置1、8、15、21 d后CsPbBr₃ QDs和CsPbBr₃/CMS-Na复合物的PL光谱

Figure 5. The PL spectra of CsPbBr₃ QDs and CsPbBr₃/CMS-Na composite after 1, 8, 15 and 21 days in air

下载: 全尺寸图片幻灯片

图 6 CsPbBr₃/CMS-Na/PDMS在自然光、UV灯照射下的发光照片、PL光谱、发射强度以及CIE色度图

注：C1、C2、C3、C4的复合质量比分别为1 ∶ 2、1 ∶ 1、2 ∶ 1、3 ∶ 1。

Figure 6. The luminescence photographs, PL spectra and the CIE of CsPbBr₃/CMS-Na/PDMS under natural light and UV lamps

下载: 全尺寸图片幻灯片

参考文献(25)

[1]	ZHANG D, YANG Y, BEKENSTEIN Y, et al. Synthesis of composition tunable and highly luminescent cesium lead halide nanowires through anion-exchange reactions[J]. Journal of the American Chemical Society, 2016, 138(23): 7236-7239. doi: 10.1021/jacs.6b03134
[2]	VELDHUIS S A, BOIX P P, YANTARA N, et al. Perovskite materials for light-emitting diodes and lasers[J]. Advanced Materials, 2016, 28(32): 6804-6834. doi: 10.1002/adma.201600669
[3]	YAKUNIN S, PROTESESCU L, KRIEG F, et al. Low-threshold amplified spontaneous emission and lasing from colloidal nanocrystals of caesium lead halide Perovskites[J]. Nature Communications, 2015, 6(1): 1-9.
[4]	PROTESESCU L, YAKUNIN S, BODNARCHUK M I, et al. Nanocrystals of cesium lead halide Perovskites (CsPb-X₃, X= Cl, Br, and I): novel optoelectronic materials showing bright emission with wide color gamut[J]. Nano Letters, 2015, 15(6): 3692-3696. doi: 10.1021/nl5048779
[5]	WOLF S, HOLOVSKY J, MOON S J, et al. Organometallic halide Perovskites: sharp optical absorption edge and its relation to photovoltaic performance[J]. The Journal of Physical Chemistry Letters, 2014, 5(6): 1035-1039. doi: 10.1021/jz500279b
[6]	GUIJARRO N, YAO L, FORMAL F, et al. Lead halide Perovskite Quantum Dots to enhance the power conversion efficiency of organic solar cells[J]. Angewandte Chemie, 2019, 131(36): 12826-12834. doi: 10.1002/ange.201906803
[7]	YOON H C, KANG H, LEE S, et al. Study of Perovskite QD down-converted LEDs and six-color white LEDs for future displays with excellent color performance[J]. ACS Applied Materials & Interfaces, 2016, 8(28): 18189-18200.
[8]	XUAN T, HUANG J, LIU H, et al. Super-hydrophobic cesium lead halide Perovskite Quantum Dot-polymer composites with high stability and luminescent efficiency for wide color gamut white light-emitting diodes[J]. Chemistry of Materials, 2019, 31(3): 1042-1047. doi: 10.1021/acs.chemmater.8b04596
[9]	徐妍, 曹蒙蒙, 夏超, 等. 全无机铯铅卤钙钛矿稳定性的研究进展[J]. 聊城大学学报(自然科学版), 2019, 32(1): 69-80. https://www.cnki.com.cn/Article/CJFDTOTAL-TALK201901011.htm XU Y, CAO M, XIA C, et al. Research progress on the stability of all-Inorganic CsPbX₃ Perovskites nanocrystals[J]. Liaocheng University, 2019, 32: 69-80. https://www.cnki.com.cn/Article/CJFDTOTAL-TALK201901011.htm
[10]	ZHANG Q, LI Z, LIU M, et al. Bifunctional passivation strategy to achieve stable CsPbBr₃ nanocrystals with drastically reduced thermal-quenching[J]. The Journal of Physical Chemistry Letters, 2020, 11(3): 993-999. doi: 10.1021/acs.jpclett.9b03389
[11]	WEI Y, CHENG Z, LIN J. An overview on enhancing the stability of lead halide Perovskite Quantum Dots and their applications in phosphor-converted LEDs[J]. Chemical Society Reviews, 2019, 48(1): 310-350. doi: 10.1039/C8CS00740C
[12]	BEGUM R, CHIN X Y, DAMODARAN B, et al. Cesium lead halide Perovskite nanocrystals prepared by anion exchange for Light-Emitting Diodes[J]. ACS Applied Nano Materials, 2020, 3(2): 1766-1774. doi: 10.1021/acsanm.9b02450
[13]	JENA A K, KULKARNI A, MIYASAKA T. Halide Perovskite photovoltaics: background, status, and future prospects[J]. Chemical Reviews, 2019, 119(5): 3036-3103. doi: 10.1021/acs.chemrev.8b00539
[14]	HUANG D, BO J, ZHENG R, et al. Luminescence and stability enhancement of CsPbBr₃ Perovskite Quantum Dots through surface sacrificial coating[J]. Advanced Optical Materials, 2021, 9(16): 2100474/1-9.
[15]	WOO J Y, KIM Y, BAE J, et al. Highly stable cesium lead halide perovskite nanocrystals through in situ lead halide inorganic passivation[J]. Chemistry of Materials, 2017, 29(17): 7088-7092. doi: 10.1021/acs.chemmater.7b02669
[16]	LI Y, LV Y, GUO Z, et al. One-step preparation of long-term stable and flexible CsPbBr₃ Perovskite Quantum Dots/ethylene vinyl acetate copolymer composite films for white Light-Emitting Diodes[J]. ACS Applied Materials & Interfaces, 2018, 10(18): 15888-15894.
[17]	WANG Z, FU R, LI F, et al. One-step polymeric melt encapsulation method to prepare CsPbBr₃ Perovskite Quantum Dots/Polymethyl Methacrylate Composite with High Performance[J]. Advanced Functional Materials, 2021, 31(22): 2010009/1-13.
[18]	ALMORA O, MATT G J, THESE A, et al. Surface versus bulk currents and ionic space-charge effects in CsPbBr₃ single crystals[J]. The Journal of Physical Chemistry Letters, 2022, 13: 3824-3830. doi: 10.1021/acs.jpclett.2c00804
[19]	LIU C, LIU Y, DENG H, et al. High Quantum yield and well-dispersed Quantum Dots luminescent composite through sodium carboxymethyl starch[J]. Luminescence, 2019, 34(2): 200-204. doi: 10.1002/bio.3594
[20]	KITTIPONGPATANA O S, SIRITHUNYALUG J, LAENGER R. Preparation and physicochemical properties of sodium carboxymethyl mungbean starches[J]. Carbohydrate Polymers, 2006, 63(1): 105-112. doi: 10.1016/j.carbpol.2005.08.024
[21]	KACZMARSKA K, BOBROWSKI A, YMANKOWSKA-KUMON S, et al. Studies on the gases emission under high temperature condition from moulding sands bonded by modified starch CMS-Na[J]. Archives of Foundry Engineering, 2017, 17: 13-16.
[22]	LI B, ZHANG Y, XU Y, et al. Design optimization of CsPbBr₃ nanocrystals into zeolite Beta composites as ultra-stable green emitters for backlight display applications[J]. Journal of Materials Chemistry C, 2021, 9(36): 12118-12123. doi: 10.1039/D1TC02757C
[23]	GONG Z, ZHENG W, GAO Y, et al. Full-spectrum persistent luminescence tuning using all-inorganic Perovskite Quantum Dots[J]. Angewandte Chemie, 2019, 131(21): 7017-7021.
[24]	LI S, DING H, CAI H, et al. Realizing CsPbBr₃ light-emitting diode arrays based on PDMS template confined solution growth of single-crystalline Perovskite[J]. The Journal of Physical Chemistry Letters, 2020, 11(19): 8275-8282.
[25]	陈长锋, 郑懿, 方朝龙. 微透镜阵列结构膜提高CsPbBr₃量子点薄膜发光效率及其稳定性[J]. 中国激光, 2021, 48(13): 1313001/1-8. https://www.cnki.com.cn/Article/CJFDTOTAL-JJZZ202113023.htm CHEN C F, ZHENG Y, FANG C L. Improvement of luminescence efficiency and stability of CsPbBr₂ Quantum Dot films with microlens array structure[J]. Chinese Journal of Lsaers, 2021, 48(13): 1313001/1-8. https://www.cnki.com.cn/Article/CJFDTOTAL-JJZZ202113023.htm