It is found that the bandgaps generally show a decreasing trend as the width increases, which is similar to phenomena that have occurred in other lateral heterostructures. 47,48 The bandgaps of heterostructures with m ( n ) = 4–8 are also calculated by HSE as shown in Fig.
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Type-II lateral SnSe/GeTe heterostructures for solar photovoltaic applications with high efficiency.
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