4.8 Review

Micro- and Nanostructured Lead Halide Perovskites: From Materials to Integrations and Devices

Journal

ADVANCED MATERIALS
Volume 33, Issue 6, Pages -

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202000306

Keywords

lead halide perovskites; nanofabrication techniques; nanostructures; optical responses

Funding

  1. National Key Research and Development Program of China [SQ2018YFB220027]
  2. National Natural Science Foundation of China [61605073, 61935017, 91733302, 61975041, 11974092]
  3. Shenzhen Fundamental research projects [JCYJ2018030617204, JCYJ20180507184613841]
  4. Natural Science Foundation of Guangdong Province, China [2019A1515012186]
  5. Macau Science and Technology Development Fund [FDCT-014/2017/AMJ]
  6. University of Macau [MYRG2018-00148-IAPME]

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Lead halide perovskites have been intensively explored for their promising future in photovoltaics and other optoelectronic devices, but face challenges in controlled synthesis and integration due to random shapes and distributions. The development of patterning and integration techniques, as well as the study of optical responses from nanostructured perovskites, are crucial for overcoming these barriers and advancing nanostructured-perovskite devices.
In the past decade, lead halide perovskites have been intensively explored due to their promising future in photovoltaics. Owing to their remarkable material properties such as solution processability, nice defect tolerance, broad bandgap tunability, high quantum yields, large refractive index, and strong nonlinear effects, this family of materials has also shown advantages in many other optoelectronic devices including microlasers, photodetectors, waveguides, and metasurfaces. Very recently, the stability of perovskite devices has been improved with the optimization of synthesis methods and device architectures. It is widely accepted that it is the time to integrate all the perovskite devices into a real system. However, for integrated photonic circuits, the shapes and distributions of chemically synthesized perovskites are quite random and not suitable for integration. Consequently, controlled synthesis and the top-down fabrication process are highly desirable to break the barriers. Herein, the developments of patterning and integration techniques for halide perovskites, as well as the structure/function relationships, are systematically reviewed. The recent progress in the study of optical responses originating from nanostructured perovskites is also presented. Lastly, the challenges and perspective for nanostructured-perovskite devices are discussed.

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