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A Beehive Inspired Hydrogen Photocatalytic Device Integrating a Carbo‐Benzene Triptych Material for Efficient Solar Photo‐Reduction of Seawater
Advanced Sustainable Systems ( IF 6.5 ) Pub Date : 2020-06-28 , DOI: 10.1002/adsu.202000121 Jérémy Cure 1 , Kévin Cocq 2 , Andréa Nicollet 1 , Kui Tan 3 , Teresa Hungria 4 , Sandrine Assie‐Souleille 1 , Séverine Vivies 1 , Ludovic Salvagnac 1 , Manuel Quevedo‐Lopez 3 , Valérie Maraval 5 , Remi Chauvin 5 , Alain Estève 1 , Carole Rossi 1
Advanced Sustainable Systems ( IF 6.5 ) Pub Date : 2020-06-28 , DOI: 10.1002/adsu.202000121 Jérémy Cure 1 , Kévin Cocq 2 , Andréa Nicollet 1 , Kui Tan 3 , Teresa Hungria 4 , Sandrine Assie‐Souleille 1 , Séverine Vivies 1 , Ludovic Salvagnac 1 , Manuel Quevedo‐Lopez 3 , Valérie Maraval 5 , Remi Chauvin 5 , Alain Estève 1 , Carole Rossi 1
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The dream to produce green, clean, and sustainable hydrogen from earth‐abundant and free resources such as seawater and sunlight is highly motivating because of the interest for desirable economical and societal applications in energy. However, it remains challenging to develop an efficient and unassisted photocatalytic device to split seawater molecules with just sunlight without any external bias. For the first time, a such novel hierarchical material has been developed, based on thin film technology that integrates TiO2 semiconductor layers, embedded gold nanoparticles, and a photosensitive carbo‐benzene layer. The design of the triptych device placing the photocatalyst in be‐to‐be increases the photoactive surface area by a factor 2. Its stability (>120 successive hours of hydrogen production and >5 days in a day/night representative alternation) and efficiency (Soler‐to‐Hydrogen 0.06%) are measured in NaCl‐salted water. The chloride ions act as hole scavengers and induce an increase of pH increasing in turn the sun‐driven hydrogen production rate.
中文翻译：
集成碳-苯三联材料的蜂巢启发式氢光催化装置，可有效地对海水进行太阳能光还原
从地球上丰富的自由资源（如海水和阳光）中生产绿色，清洁和可持续的氢的梦想非常受人们的欢迎，因为人们对能源的经济和社会应用抱有浓厚的兴趣。然而，开发一种高效且无辅助的光催化装置以仅在阳光下分离海水分子而没有任何外部偏压仍然具有挑战性。首次基于集成了TiO 2的薄膜技术开发了这种新颖的分层材料半导体层，嵌入的金纳米颗粒和感光碳苯层。三联装置的设计将光催化剂放置在将来，使光活性表面积增加了2倍。它的稳定性（连续产生氢气的小时数> 120，白天/晚上交替产生的天数> 5天）和效率（在NaCl盐水中测量Soler-to-Hydrogen（0.06％）。氯离子起到空穴清除剂的作用，并引起pH值的增加，从而增加了太阳驱动的氢气的产生速率。
更新日期：2020-06-28
中文翻译：
集成碳-苯三联材料的蜂巢启发式氢光催化装置，可有效地对海水进行太阳能光还原
从地球上丰富的自由资源（如海水和阳光）中生产绿色，清洁和可持续的氢的梦想非常受人们的欢迎，因为人们对能源的经济和社会应用抱有浓厚的兴趣。然而，开发一种高效且无辅助的光催化装置以仅在阳光下分离海水分子而没有任何外部偏压仍然具有挑战性。首次基于集成了TiO 2的薄膜技术开发了这种新颖的分层材料半导体层，嵌入的金纳米颗粒和感光碳苯层。三联装置的设计将光催化剂放置在将来，使光活性表面积增加了2倍。它的稳定性（连续产生氢气的小时数> 120，白天/晚上交替产生的天数> 5天）和效率（在NaCl盐水中测量Soler-to-Hydrogen（0.06％）。氯离子起到空穴清除剂的作用，并引起pH值的增加，从而增加了太阳驱动的氢气的产生速率。
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