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Heterojunctions are a promising class of materials for high‐efficiency bifunctional oxygen electrocatalysts in both oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). However, the conventional theories fail to explain why many catalysts behave differently in ORR and OER, despite a reversible path (*O2⇋*OOH⇋*O⇋*OH). This study proposes the electron‐/hole‐rich catalytic center theory...
Among all typical transition‐metal dichalcogenides (TMDs), the bandgap of α‐MoTe2 is smallest and is close to that of conventional 3D Si. The properties of α‐MoTe2 make it a favorable candidate for future electronic devices. Even though there are a few reports regarding fabrication of complementary metal–oxide‐semiconductor (CMOS) inverters or p–n junction by controlling the charge‐carrier polarity...
Highly active and durable bifunctional oxygen electrocatalysts are of pivotal importance for clean and renewable energy conversion devices, but the lack of earth‐abundant electrocatalysts to improve the intrinsic sluggish kinetic process of oxygen reduction/evolution reactions (ORR/OER) is still a challenge. Fe‐N‐C catalysts with abundant natural merits are considered as promising alternatives to...
2D transition metal dichalcogenides (TMDs) based photodetectors have shown great potential for the next generation optoelectronics. However, most of the reported MoS2 photodetectors function under the photogating effect originated from the charge‐trap mechanism, which is difficult for quantitative control. Such devices generally suffer from a poor compromise between response speed and responsivity...
Herein, a unique ganoderma‐like MoS2/NiS2 hetero‐nanostructure with isolated Pt atoms anchored is reported. This novel ganoderma‐like heterostructure can not only efficiently disperse and confine the few‐layer MoS2 nanosheets to fully expose the edge sites of MoS2, and provide more opportunity to capture the Pt atoms, but also tune the electronic structure to modify the catalytic activity. Because...
In article number 1800697, Yu Wang and co‐workers report a unique ganoderma‐like MoS2/NiS2 hetero‐nanostructure with isolated Pt atoms anchored. The ganoderma‐like heterostructure can not only change the electronic state, but also evenly disperse and anchor the few‐layer MoS2. Single Pt atoms, just as spores anchored on ganoderma, can greatly activate the in‐plane S atoms. The synergy of the ganoderma‐like...
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