fig7

Figure 7. (A) Synthesis of HOF-TCPB nanosheets and PolyHOF membrane. (B) TEM images of HOF-TCPB nanosheets. (A and B) Ref.^[145] © The Author(s) 2025. Published by Tsinghua University Press; (C) Preparation of HOF@AAO membrane through a solution-casting approach. (D) Top-view SEM of HOF-BTB@AAO membrane. (C and D) Ref.^[143] Copyright © 2024, The Author(s). HOF: Hydrogen-bonded organic framework; BTB: 1,3,5-Tris(4-carboxyphenyl)benzene; TCPB: 1,2,4,5-tetrakis(4-carboxyphenyl)benzene; AAO: anodic aluminum oxide; SEM: scanning electron microscope.