Introducing the general structure and characteristics of layered double hydroxide LDH,which is a member of two-dimensional materials.Its simple synthesis,controllable composition,and low cost have attracted people's attention in the increasingly severe environmental problems.And introducing the com-posite materials formed by LDH and other semiconductor materials.Through synergistic effects,the per-formance of LDH can be effectively improved for treating environmental pollution and energy issues.Therefore,a large number of related studies on LDH and LDH based composite materials have been repor-ted.This article focuses on summarizing the relevant research on LDH based composite materials formed by MOFs,MXenes,CNTs,and polymers in the fields of environment and energy in recent years,and pres-ents challenges and prospects for the future of LDH composite materials.
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