Nanosphere and titanate nanotube (TNT) amalgamated with different graphene oxide (GO) ratios synthesized by one pot microwave irradiation route have presented excellent potential towards hydrogen production photoelectrochemically under solar irradiation. The hybrid nanospherical array of the 50TNT-50GO photocatalyst showed a current density equal 9.2 mA cm⁻² at a bias of 0.20 V vs. RHE exceeding those of the nanotubes 30TNT-70GO (4.0 mA cm⁻² at 0.38 V) and 10TNT-90GO (3.7 mA cm⁻² at 0.4 V). The former electrode also exhibits small Tafel slope value (40 mV dec⁻¹), decreased particle diameter (7 nm), decreased band gap (2.6 eV) and high rate of charges transfer. The hybrid structure elucidation carried out using TEM-SAED, XRD, N₂ adsorption, UV–Vis, FTIR and PL techniques approved the interfacial interaction between TNT and GO(RGO) networks that was responsible for the high quantum yield, delay of charges recombination beside the increase in the pore volume.

通过一锅微波辐照途径合成的纳米球和钛酸盐纳米管（TNT）与不同氧化石墨烯（GO）比例混合，具有在太阳辐照下光电化学制氢的优异潜力。50TNT-50GO 光催化剂的混合纳米球阵列在 0.20 V 与 RHE 的偏压下显示出等于 9.2 mA cm ^-2的电流密度，超过了纳米管 30TNT-70GO（4.0 mA cm ^-2在 0.38 V）和 10TNT- 90GO（0.4 V 时为3.7 mA cm ^-2）。前一个电极还表现出小的 Tafel 斜率值 (40 mV dec ^-1 )、减小的粒径 (7 nm)、减小的带隙 (2.6 eV) 和高电荷转移速率。使用 TEM-SAED、XRD、N 进行杂化结构解析₂吸附、UV-Vis、FTIR 和 PL 技术证实了 TNT 和 GO(RGO) 网络之间的界面相互作用，除了孔体积的增加外，这种相互作用导致了高量子产率、电荷重组延迟。