Attapulgite/bismuth yellow hybrid pigments were successfully fabricated by sol-gel method followed by a calcining process. The color of the hybrid pigments was superior to BiVO₄ samples after incorporating of the “magic wand” of attapulgite, and this strategy was also in favor of controlling the growth of bismuth yellow nanoparticles on the surface of attapulgite without the free agglomeration. This color improvement of hybrid pigments was mainly related to the change of band gap energy due to the doping of the compositions of attapulgite. The hybrid pigments prepared exhibited the optimal color properties (L^* = 79.39, a^* = 4.69, b^* = 86.19, C^* = 86.32, and h° = 86.89) after introducing of 40% attapulgite. The as-prepared hybrid pigments could be served as an eco-friendly yellow colorant to replace the traditional and toxic ones for applications in both of hydrophobic polystyrene plastic and hydrophilic polyurethane resin, as well as facilely sprayed on various substrates. Therefore, this study will provide a feasible route to prepare the low-cost and high-grade bismuth yellow pigments with excellent color properties and thermal stability.

凹凸棒石/铋黄杂化颜料通过溶胶-凝胶法成功地制备，然后进行煅烧。掺入凹凸棒石的“魔棒”后，杂化颜料的颜色优于BiVO ₄样品，该策略还有利于控制凹凸棒表面上铋黄纳米粒子的生长而没有自由团聚。杂化颜料的这种颜色改善主要与由于凹凸棒石组成的掺杂引起的带隙能量的变化有关。制备的杂化颜料表现出最佳的颜色性能（L ^*  = 79.39，a ^*  = 4.69，b ^*  = 86.19，C ^* 引入40％凹凸棒石后 ，α= 86.32，h° = 86.89）。所制备的杂化颜料可以用作环保的黄色着色剂，以替代传统的和有毒的着色剂，用于疏水性聚苯乙烯塑料和亲水性聚氨酯树脂中，以及方便地喷涂在各种基材上。因此，本研究将为制备低成本，高品位的铋黄颜料提供了一条可行的途径，该颜料具有优异的色彩性能和热稳定性。