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Though Sn‐Pb alloyed perovskite solar cells (PSCs) achieved great progress, there is a dilemma to further increase Sn for less‐Pb requirement. High Sn ratio (>70%) perovskite exhibits nonstoichiometric Sn:Pb:I at film surface to aggravate Sn2+ oxidation and interface energy mismatch. Here, ternary metal alloyed (FASnI3)0.7(MAPb1−xZnxI3)0.3 (x = 0–3%) is constructed for Pb% < 30% perovskite....
Selective conversion of ethane (C2H6) to high‐value‐added chemicals is a very important chemical process, yet it remains challenging owing to the difficulty of ethane activation. Here, a NiTi‐layered double hydroxide (NiTi‐LDH) photocatalyst is reported for oxidative coupling of ethane to n‐butane (n‐C4H10) by using CO2 as an oxidant. Remarkably, the as‐prepared NiTi‐LDH exhibits a high selectivity...
Direct and selective oxidation of benzene to phenol is a long‐term goal in industry. Although great efforts have been made in homogenous catalysis, it still remains a huge challenge to drive this reaction via heterogeneous catalysts under mild conditions. Herein, a single‐atom Au loaded MgAl‐layered double hydroxide (Au1‐MgAl‐LDH) with a well‐defined structure, in which the Au single atoms are located...
Photocatalytic oxygen reduction reaction (ORR) for H2O2 production in the absence of sacrificing agents is a green approach and of great significance, where the design of photocatalysts with high performance is the central task. Herein, a spatial specific S‐scheme heterojunction design by introducing a novel semiconducting pair with a S‐scheme mechanism in a purpose‐designed Janus core–shell‐structured...