Copper phthalocyanine growth on hydrogen-terminated Si(1Â 0Â 0) surfaces: Contrasted molecular arrangements revealed by X-ray photoelectron studies

► Copper phthalocyanine growth on hydrogen-terminated Si(1 0 0) surfaces. ► Molecular packing of CuPc onto hydrogen H-Si(1 0 0)-1 × 1 and H-Si(1 0 0)-2 × 1 surfaces. ► Structure of CuPc monolayer determined by X-ray photoelectron diffraction.