Publications by authors named "Tinghui Zhuang"
Vacancy-ordered perovskites and derivatives represent an important subclass of hybrid metal halides with promise in applications including light emitting devices and photovoltaics. Understanding the vacancy-property relationship is crucial for designing related task-specific materials, yet research in this field remains sporadic. For the first time, we use the Connolly surface to quantitatively calculate the volume of vacancy (V□, □=vacancy) in vacancy-ordered double perovskite derivatives (VDPDs).
View Article and Find Full Text PDFRNA silencing is an innate immune mechanism of plants against invasion by viral pathogens. Artificial microRNA (amiRNA) can be engineered to specifically induce RNA silencing against viruses in transgenic plants and has great potential for disease control. Here, we describe the development and application of amiRNA-based technology to induce resistance to soybean mosaic virus (SMV), a plant virus with a positive-sense single-stranded RNA genome.
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- Bismuth-halide-based inorganic-organic hybrid materials (Bi-IOHMs) are promising for luminescence applications because they are low in toxicity and chemically stable.
- Two specific Bi-IOHMs, [Bpy][BiCl(Phen)] and [PP14][BiCl(Phen)]·0.25HO, were synthesized and characterized, revealing distinct structural features through single-crystal X-ray diffraction and photoluminescent properties under UV light.
- The differences in their ionic liquid components resulted in varying rigidity and photoluminescence quantum yield, with implications for improved luminescence and temperature sensing capabilities.
Recently zero-dimensional (0-D) inorganic-organic metal halides (IOMHs) have become a promising class of optoelectronic materials. Herein, we report a new photoluminescent (PL) 0-D antimony(III)-based IOMH single crystal, namely [HBPZ][SbCl]·HO (BPZ = benzylpiperazine). Photophysical characterizations indicate that [HBPZ][SbCl]·HO exhibits singlet/triplet dual-band emission.
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- Zero-dimensional organic-inorganic metal halides (OIMHs), particularly hybrid antimony(III) bromides (HABs), have potential for high photoluminescence quantum yields (PLQYs), but current values are lower compared to their chloride counterparts.* -
- Researchers developed a method to enhance PLQYs by synthesizing two structurally similar HABs with different solvent molecules, resulting in notable differences in their emission properties and PLQYs, specifically a nearly twofold increase in PLQY for one compound.* -
- The improvement in PLQY is linked to structural changes influenced by hydrogen bonding between the inorganic components and solvent molecules, underscoring the importance of structural rigidity in optimizing the phot
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- The compound [Cmim][Mim][SbCl] features dual cations and is the first to demonstrate deep-red emission in zero-dimensional organic-inorganic hybrid materials.
- The emission is attributed to significant anion distortion caused by imbalanced supramolecular interactions.
- This results in a remarkably large Stokes shift of 335 nm and a full width at half maximum (FWHM) of 210 nm in the emission spectrum.
Article Synopsis
- Zero-dimensional metal halides, particularly [EtPPh][SbCl], are gaining interest for their ability to switch luminescence, making them useful for sensors and anticounterfeiting.
- Research showed that only solvent molecules with a volume less than 22.3 Å can interact with [EtPPh][SbCl], influencing their photoluminescent properties.
- The study further revealed that solvent functional groups affect the hydrogen bonding strength with [SbCl], leading to changes in luminescent behavior and enhancing overall photoluminescence quantum yield to 95%.
Although luminescent indium(III) based halide perovskites have been widely investigated, the study of emissive indium(III) halide hybrids is limited. Three indium(III) chloride hybrids based on a bpym ligand were synthesized, namely [EPy][InCl(bpym)InCl]·DMF (1), [EPy][InCl(bpym)InCl] (2), and [BPy][InCl(bpym)InCl] (3) (EPy = -ethylpyridinium; BPy = -butylpyridinium; bpym = 2,2'-bipyrimidine). They all exhibit a zero-dimensional structure, in which the ligand bpym interconnects two [InCl] to form a [InCl(bpym)InCl] anion that is further charge-compensated by the corresponding pyridinium cations.
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