In-situ growth behavior of FAPbBr3 on two-dimensional materials for photocatalytic reaction to controllable products

Surfactant effects on electrochemically durable lead halide perovskite electro-catalysts

“…It was interesting to find that the optimal THAI 0.5 Br 0.5 -passivated electrode exhibited a lot of hexagonal sheet-like particles on the surface, which may correlate with the formation of FAPbBr 3 crystals. [62][63][64][65] Meanwhile, these hexagonal sheet-like particles would provide extra electro-active sites than the others and have a good intra-particle charge transfer between the outer FAPbBr 3 crystals and the inner FA(Pb 1−x Ge x )I 3 films. On the other hand, the electrodes passivated by THA-Br 0.5 Cl 0.5 (Fig.…”

Structural Modification Strategies, Interfacial Charge‐Carrier Dynamics, and Solar Energy Conversion Applications of Organic–Inorganic Halide Perovskite Photocatalysts

“…manufactured FAPbBr 3 @MoS 2 samples and took advantage of them in photocatalytic oxidation of benzyl alcohol into benzaldehyde. [ 60 ] In Figure 12g, they confirmed the proposed active radicals, such as ·O 2 − by using electron paramagnetic resonance (EPR) with 5,5‐dimethyl‐pyrroline N ‐oxide (DMPO) as trapping agent. The EPR signals of symbol # and symbol * were, respectively assigned to DMPO‐·O 2 − and the ring opening of DMPO itself.…”

CsPbBr3 perovskite quantum dots as a visible light photocatalyst for cyclisation of diamines and amino alcohols: an efficient approach to synthesize imidazolidines, fused-imidazolidines and oxazolidines

“…Literature reports show that the halide-rich surface of metal halide CsPbX 3 NCs is exceptionally stable compared to those prepared under stoichiometric conditions. 43,44,50,53,54 In the presence of oleylamine (OLAM) at high temperature, DBI generates HBr which in turn reacts with Pb(II) and Cs(I) ions in situ to form the QDs. 45 The emission maxima of the QDs can be tuned by changing the reaction temperature (Fig.…”

“…The conventional transition metal 23 and organic dye 24 based visible light-induced photo-redox catalysis suffers from major pitfalls such as: the use of expensive metals, narrow absorption windows, fixed bandgaps, inferior charge separation capacity, mediocre product selectivity, poor airtolerance, non-reusability, etc. In contrast, CsPbBr 3 QDs exhibit superior photophysical properties such as excellent photon absorption/emission ability, [31][32][33] tunable band-edge alignment, 34 broad absorption window, 35 long lifetime of photoexcited states, 36 and robust separation/transfer of electron-hole pairs 37,38 which have been widely exploited in solar cells, 39,40 light-emitting diodes (LEDs), 41 detectors, 42 lasers, 32 photocatalysts, [43][44][45][46][47][48][49] etc. In this work, we report facile sp 3 C-H bond functionalisation of N-Me (alkyl) groups using a CsPbBr 3 QD based visible light photocatalyst (Fig.…”