School of Physical Science and Technology, College of Energy, Soochow Institute for Energy and Materials Innovations and Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province , Soochow University , Suzhou 215006 , China.
College of Physics and Engineering , Changshu Institute of Technology and Jiangsu Laboratory of Advanced Functional Materials , Changshu 215500 , China.
ACS Appl Mater Interfaces. 2019 Sep 11;11(36):33102-33108. doi: 10.1021/acsami.9b07410. Epub 2019 Aug 29.
p-Type compounds CuBaSnS (CBTS) are extremely attractive materials for photocathode applications because of their suitable conduction and valence bands, earth-abundant sources, and environmental friendly nature. Herein, an inexpensive and reproducible aqueous solution approach has been developed to synthesize CBTS films with single-crystalline grains as large as micron scale. Because of the large crystalline grains, the as-grown CBTS films show excellent carrier mobility (1.29 cm/V·s). Greater than 4 mA·cm photocurrent density has been obtained in a neutral solution for bare Mo/CBTS film photocathodes under 100 mW·cm illumination at 0 V versus reversible hydrogen electrode.
p 型化合物 CuBaSnS（CBTS）由于其合适的导带和价带、丰富的地球资源和环境友好的性质，是极有吸引力的用于光电阴极应用的材料。在此，开发了一种廉价且可重复的水溶液方法，用于合成具有单晶颗粒可达微米级的 CBTS 薄膜。由于晶粒较大，所生长的 CBTS 薄膜表现出优异的载流子迁移率（1.29 cm/V·s）。在 0 V 相对于可逆氢电极的 100 mW·cm 光照下，在中性溶液中，裸 Mo/CBTS 薄膜光电阴极的光电流密度大于 4 mA·cm。
