Highly Efficient and Stable Hydrogen Production in All pH Range by Two-Dimensional Structured Metal-Doped Tungsten Semicarbides
SEM, TEM, and SAED measurements of W2C and Ni-W2C NSs. (a, c, e) W2C and (b, d, f) 2% Ni-W2C NSs. (a, b) FESEM images. (c, d) Low-magnification TEM images. (e, f) HRTEM images (Insets: corresponding SAED patterns).