Hydrides show good performance for hydrogen gas storage/release. However, hydrogen gas release from hydrides via hydrolysis is a slow process and thus requires a catalyst. Herein, terephthalic acid (TPA) is used for the synthesis of a hierarchical porous zeolitic imidazolate framework (HPZIF-8). A mechanistic study of materials synthesis involved an in situ synthesis of zinc hydroxide nitrate nanosheets with an interplanar distance of 0.97 nm. Terephthalic acid modulates the pH value of the synthesis solution leading to the formation of HPZIF-8 with the Brunauer–Emmett–Teller (BET) surface area, Langmuir surface area, and total pore size of 1442 m² g⁻¹, 1900 m² g⁻¹, and 0.69 cm³ g⁻¹, respectively. The formed phases during the synthesis undergo fast conversion to HPZIFs at room temperature. The application of the prepared materials in the hydrolysis of NaBH₄ is reported. Acidity plays an important role in the catalytic performance of the materials. ZIF-8 prepared using terephthalic acid shows high catalytic activity with a hydrogen rate of 2333 mL_H2 min⁻¹ g_cat⁻¹ (8046 mL_H2 min⁻¹ g_Zn⁻¹). The material exhibits high catalytic activity without any deterioration of its performance for several uses during continuous NaBH₄ feeding. There are no changes in the material's structure after catalysis indicating the high recyclability of the materials.

中文翻译：

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分层多孔ZIF-8，用于通过硼氢化钠的水解生产氢

氢化物对氢气的储存/释放表现出良好的性能。然而，氢化物通过水解从氢化物中释放出的氢气是一个缓慢的过程，因此需要催化剂。在本文中，对苯二甲酸（TPA）用于合成分级的多孔沸石咪唑酸酯骨架（HPZIF-8）。材料合成的机理研究涉及面内距离为0.97 nm的硝酸锌氢氧化锌纳米片的原位合成。对苯二甲酸调制合成溶液导致与布鲁诺-埃梅特-特勒（BET）表面积，朗缪尔表面积，和1442米总孔径形成HPZIF-8的pH值²克^-1，1900米² g ^-1和0.69厘米³克^-1，分别。合成过程中形成的相在室温下会快速转化为HPZIF。报道了制备的材料在NaBH ₄水解中的应用。酸度在材料的催化性能中起重要作用。使用对苯二甲酸制备的ZIF-8以2333 mL _{H 2} min ^-1 g _cat ^-1（8046 mL _{H 2} min ^-1 g _Zn ^-1）的氢速率显示出高催化活性。该材料表现出高催化活性，在连续的NaBH ₄多次使用中其性能没有任何下降喂养。催化后材料的结构没有变化，表明材料的可回收性高。