Room-Temperature Synthesis of a COFs Membrane Via LBL Self-Assembly Strategy for Energy Harvesting,Small

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Room-Temperature Synthesis of a COFs Membrane Via LBL Self-Assembly Strategy for Energy Harvesting
Small ( IF 13.0 ) Pub Date : 2023-05-08 , DOI: 10.1002/smll.202301512
Caili Zhang ₁ , Tianliang Xiao ₂ , Jianwei He ₁ , Bingxin Lu ₁ , Xuejiang Li ₁ , Jin Zhai ₁ , Xia Fan ₁

Affiliation

The covalent organic frameworks (COFs) membrane with ordered and confined one-dimensional channel has been considered as a promising material to harvest the salinity gradient energy from the seawater and river water. However, the application of the COFs in the field of energy conversion still faces the challenges in membrane preparation. Herein, energy harvesting is achieved by taking advantage of a COFs membrane where TpDB-HPAN is synthesized via layer-by-layer self-assembly strategy at room temperature. The carboxy-rich TpDB COFs can be expediently assembled onto the substrate with an environmental-friendly method. The increased open-circuit voltage (V_oc) endows TpDB-HPAN membrane with a remarkable energy harvesting performance. More importantly, the application perspective is also illuminated by the cascade system. With the advantages of green synthesis, the TpDB-HPAN membrane can be considered as a low-cost and promising candidate for energy conversion.

中文翻译：

通过用于能量收集的 LBL 自组装策略室温合成 COF 膜

具有有序且受限的一维通道的共价有机框架（COF）膜被认为是从海水和河水中获取盐度梯度能量的有前途的材料。然而，COFs在能量转换领域的应用仍然面临膜制备的挑战。在这里，能量收集是通过利用COFs膜来实现的，其中TpDB-HPAN是在室温下通过层层自组装策略合成的。富含羧基的TpDB COF可以通过环保的方法方便地组装到基板上。增加的开路电压（V _oc）赋予TpDB-HPAN膜卓越的能量收集性能。更重要的是，级联系统也照亮了应用前景。凭借绿色合成的优势，TpDB-HPAN膜可以被认为是一种低成本且有前景的能量转换候选材料。

更新日期：2023-05-08

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