A review of graphdiyne: A new material for synthesizing effective adsorbents for aqueous contaminants

• Graphdiyne (GDY) is a novel 2D carbon allotrope with sp and sp2 hybridized carbon, offering unique electronic properties and chemical stability for water treatment. • GDY exhibits excellent adsorption efficiency for removing oils, organic pollutants, dyes, and heavy metals from aqueous solutions. • The triangular pores and carbon-carbon triple bonds in GDY provide abundant active sites and reaction pathways for enhanced contaminant removal. • This review highlights the synthesis methods and adsorption mechanisms of GDY, addressing the gap in literature and outlining future prospects for its application in water purification.