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2D Photoconductivity
Light–matter interaction under different oxygen pressures can reversibly manipulate photoconductivity from surface oxygen vacancies of perovskite stannate semiconductors. In article number 2107650, utilizing a surface‐selective photochemical reaction, Junwoo Son and co‐workers report that ultraviolet‐excited electron–hole pairs of a perovskite compound under low oxygen pressure...
Programmable optoelectronic devices call for the reversible control of the photocarrier recombination process by in‐gap states in oxide semiconductors. However, previous approaches to produce oxygen vacancies as a source of in‐gap states in oxide semiconductors have hampered the reversible formation of oxygen vacancies and their related phenomena. Here, a new strategy to manipulate the 2D photoconductivity...
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