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用于金属卤化物钙钛矿二维纳米共轭物的激光辅助制备：对纳米晶体密度和形态的控制

Laser-Assisted Fabrication for Metal Halide Perovskite-2D Nanoconjugates: Control on the Nanocrystal Density and Morphology.

作者信息

Kostopoulou Athanasia, Brintakis Konstantinos, Serpetzoglou Efthymis, Stratakis Emmanuel

机构信息

Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, 71110 Heraklion, Crete, Greece.

Department of Physics, University of Crete, 71003 Heraklion, Crete, Greece.

出版信息

Nanomaterials (Basel). 2020 Apr 14;10(4):747. doi: 10.3390/nano10040747.

DOI:10.3390/nano10040747
PMID:32295209
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7221537/
Abstract

We report on a facile and rapid photo-induced process to conjugate graphene-based materials with metal-halide perovskite nanocrystals. We show that a small number of laser pulses is sufficient to decorate the 2-dimensional (2D) flakes with metal-halide nanocrystals without affecting their primary morphology. At the same time, the density of anchored nanocrystals could be finely tuned by the number of irradiation pulses. This facile and rapid room temperature method provides unique opportunities for the design and development of perovskite-2D nanoconjugates, exhibiting synergetic functionality by combining nanocrystals of different morphologies and chemical phases with various 2D materials.

摘要

我们报道了一种简便快速的光诱导方法，用于将基于石墨烯的材料与金属卤化物钙钛矿纳米晶体共轭。我们表明，少量的激光脉冲就足以用金属卤化物纳米晶体修饰二维（2D）薄片，而不会影响其原始形态。同时，通过照射脉冲的数量可以精细调节锚定纳米晶体的密度。这种简便快速的室温方法为钙钛矿-二维纳米共轭物的设计和开发提供了独特的机会，通过将不同形态和化学相的纳米晶体与各种二维材料结合，展现出协同功能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d3f8/7221537/54c86eda0bb4/nanomaterials-10-00747-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d3f8/7221537/eb34be2ea3b0/nanomaterials-10-00747-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d3f8/7221537/2d6425dabea4/nanomaterials-10-00747-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d3f8/7221537/5603644d9547/nanomaterials-10-00747-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d3f8/7221537/54c86f3d2ad9/nanomaterials-10-00747-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d3f8/7221537/54c86eda0bb4/nanomaterials-10-00747-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d3f8/7221537/eb34be2ea3b0/nanomaterials-10-00747-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d3f8/7221537/2d6425dabea4/nanomaterials-10-00747-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d3f8/7221537/5603644d9547/nanomaterials-10-00747-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d3f8/7221537/54c86f3d2ad9/nanomaterials-10-00747-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d3f8/7221537/54c86eda0bb4/nanomaterials-10-00747-g005.jpg

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Special Issue: Perovskite Nanostructures: From Material Design to Applications.

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