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8-(1H-Benzo[d]imidazol-2-yl) quinolin-7-ol (HQB) has structural asymmetry and encloses double hydrogen bonds (HBs), which undergo excited state intramolecular charge transfer and double proton transfer (ESICT/ESIDPT). The HQB exhibits three absorption peaks...

To provide a more sustainable future, development and implementation of green electronics incorporating natural materials has become an essential requirement. In this study, we demonstrated a low-temperature and low-cost fabrication route to develop chitosan/PVP (CHP) substrate for flexible electronics device applications. A combination of natural polymer (chitosan) and synthetic polymer (poly­(vinylpyrrolidone), PVP) has been used to fabricate biodegradable, low-cost, and flexible substrate. The CHP substrate has been prepared by the solution casting method. The CHP flexible substrate demonstrates a high optical transmittance (∼90% in the visible region), high-temperature stability (up to 250 °C), smooth surface, and good mechanical stability along with a high biodegradation rate (within 6 days) into the soil. Radio frequency (RF) sputtering and thermal evaporation techniques have been used to deposit high-quality ZnO thin films and Au/Ti electrodes over the CHP substrate. This fabricated metal–semiconductor–metal (MSM) device gives a clear indication about the accountability of the CHP polymer substrate as a potential option for flexible electronics. The current–voltage characteristic with flat and bending cycles (three flat–bending–flat cycles) shows almost same current conduction. These flexible CHP substrates can find a new way toward environmentally friendly, flexible electronics.

We report the synthesis of probe 2 for the fluorescence “turn-on” detection of Al3+ ions in CH3OH.

Latent fingerprints (LFPs) identification is of paramount importance for national security and criminal investigations. We designed and synthesized fluorescent organic molecule HPBI for rapid fluorescence imaging of latent fingerprints on...

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Paper strips coated with the red-fluorescent probe DMAS-TP display a distinct blue fluorescence with 2,4,6-trinitrophenol and SiO2@DMAS-TP NPs to visualize latent fingerprints up to level 3.