期刊
ADVANCED MATERIALS
卷 32, 期 32, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202003146
关键词
2D inorganic molecular crystals; in-plane anisotropy; SbI3 center dot 3S(8); second harmonic generation (SHG)
类别
资金
- National Natural Science Foundation of China [21825103]
- Hubei Provincial Natural Science Foundation of China [2019CFA002]
- Fundamental Research Funds for the Central University [2019kfyXMBZ018]
- Analytical and Testing Center in Huazhong University of Science and Technology
2D inorganic bimolecular crystals, consisting of two different inorganic molecules, are expected to possess novel physical and chemical properties due to the synergistic effect of the individual components. However, 2D inorganic bimolecular crystals remain unexploited because of the difficulties in preparation arising from non-typical layered structures and intricate intermolecular interactions. Here, the synthesis of 2D inorganic bimolecular crystal SbI3 center dot 3S(8)nanobelts via a facile vertical microspacing sublimation strategy is reported. The as-synthesized SbI3 center dot 3S(8)nanobelts exhibit strong in-plane anisotropy of phonon vibrations and intramolecular vibrations as well as show anisotropic light absorption with a high dichroism ratio of 3.9. Furthermore, it is revealed that the second harmonic generation intensity of SbI3 center dot 3S(8)nanobelts is highly dependent on the excitation wavelength and crystallographic orientation. This work can inspire the growth of more 2D inorganic bimolecular crystals and excite potential applications for bimolecular optoelectronic devices.
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