A Novel 1D Organic Lead Halide Hybrid for Blue and White Dual Emission

In recent years, photoelectric performances of many low-dimensional metal halide hybrid materials have been researched and utilized in the domain of phosphors, light emitting diodes (LEDs) and photoelectric detection etc. Nevertheless, unlike two-dimensional (2D) ones, one-dimensional (1D) hybrids received less attention to study their structures and optical properties. Herein, we deal with luminous performance and photoluminescence mechanism for an original 1D organic-inorganic lead chloride hybrid C5H14N3PbCl3 which is abbreviated as TMGPbCl3 (TMG+ = 1, 1, 3, 3-tetramethyguanidine cation). According to photoluminescence spectra, its broadband white-light luminescence are dual emissions from organic component TMG+ peaked at 429 nm and self-trapped excitons (STEs) of inorganic metal halide octahedra peaked at 510 nm, respectively and this property make it to be a promising white-light phosphor.

Reduction of Particulate Matter on Road using Dust Accumulator

Increasing air pollution is always matter of problem for entire world, especially for Asian Countries because of the population and developing industries in the countries. This is the main reason for increase in AQI (Air Quality Index) of various regions of India. AQI reflects, how polluted the air in current situation is? AQI implies amount of pollutants that are present in air. Pollutants are PM10, PM2.5, SO2, O3, NO2, CO where SO2, O3, NO2 & CO are the pollutants which are mostly affected by the chemical activities by industries where as PM10 and PM2.5 are the particulate matters of size 10 micron and 2.5 micron respectively. These two are responsible for respiratory diseases like asthma and lung diseases. Hence it is utmost necessary to reduce these particulate matters from the road, which will help in reducing AQI of the environment. There are many devices available in the market to reduce these pollutants which work to achieve the aim. An attempt is made in this research to reduce the pollutants from the air which is installed on the vehicle with the system, which collects the particulate matter very efficiently. Here in this paper a pilot scale equipment is manufactured which helps individual vehicle to contribute in reducing AQI and also it will be flexible and economical solution to absorb dual emissions.

Ratiometric and selective fluorescent nanosensor for the detection of glucose

Background and Methods: Dual-emission fluorescent nanosensor for the detection of glucose has been developed by simply mixing the blue-emission C-dots (CDs) with red-emission glutathione modified CdTe QDs. Results and Discussion: The ratiometric fluorescence system exhibits dual emissions peak at 442nm and 600 nm under a single excitation wavelength (365 nm). Due to the strong quenching effect of hydrogen peroxide to the quantum dots, the fluorescence of the QDs in the nanocomposite system could be selectively quenched by H2O2, while the fluorescence of the CDs remained constant, resulting in a distinguishable fluorescence color evolution (from red to blue) of the nanosensor which could be observed obviously by the naked eye. When this nanosensor mixed with glucose oxidase, H2O2 can be produced by the enzyme catalysis reaction, which could quench the fluorescent intensity of QDs. So this system can be used to detect glucose. The limit of detection of this present method was as low as 0.1 μM. Conclusion: the result for glucose was satisfying, suggesting its potential application for glucose sensing.

Breach the Kasha’s Rule for Dual emissions: Mechanisms, Materials and Applications

Featuring the atypical photophysical characteristics of dual or multiple radiative decay pathways, anti-Kasha light-emitting materials have drawn increasingly concerns in the fields of organic light-emitting diode, sensing, bioimaging, anti-counterfeiting and...

Correction: Carbon dots with tunable dual emissions: from the mechanism to the specific imaging of endoplasmic reticulum polarity

Correction for ‘Carbon dots with tunable dual emissions: from the mechanism to the specific imaging of endoplasmic reticulum polarity’ by Shuang E et al., Nanoscale, 2020, 12, 6852–6860, DOI: 10.1039/C9NR10982J.

Responsive Organoboranes with Dynamic Conformation of Octacyclophane-Type Scaffolds: Synthesis, AIE and Temperature-Dependent Dual Emissions

In the field of synthetic organic materials, there is still an urgent demand for new smart materials that show great potential in diverse applications. We herein describe a design strategy...