The paper-based sensing devices have drawn a broad interest in analytical chemistry for colorimetric and fluorescent-based analysis of biological, environmental, clinical, and food samples. It is due to the simple, rapid, biodegradable, user-friendly, less expensive, and low waste generation into the environment. Here, the recent development of paper-based sensors fabricated with different noble metal nanoparticles (NPs) and semiconductor and carbon quantum dots (QDs) is demonstrated to analyze several chemical substances from various samples. User-friendly and portable recording devices such as digital cameras, smartphones, scanners, etc. along with color detecting softwares are employed to measure the color intensity of nanomaterials fabricated paper devices after the deposition of a sample solution containing various chemical substances. The advantages and disadvantages of incorporating nanomaterials in the paper substrate (direct deposition, inkjet printing, screen printing and wax printing) are illustrated. The mechanism for colorimetric, fluorescence, phosphorescence, and chemiluminescence sensing using noble metal NPs (Ag, Cu, and Au), semiconductors, and carbon QDs for the determination of metal ions, anions, pesticides, biomolecules, and other toxic chemical substances are discussed. Thus, this review article would be highly useful for scientists and researchers to design colorimetric sensors to monitor chemical toxicants in clinical, environment, foods, and many other related samples.

基于纸张的传感设备引起了对生物、环境、临床和食品样品的比色和荧光分析的分析化学的广泛兴趣。这是由于其简单、快速、可生物降解、用户友好、成本较低以及向环境中产生的废物少。在这里，展示了用不同贵金属纳米粒子 (NP) 和半导体和碳量子点 (QD) 制造的纸基传感器的最新发展，用于分析来自各种样品的几种化学物质。使用用户友好的便携式记录设备，如数码相机、智能手机、扫描仪等，以及颜色检测软件，在沉积含有各种化学物质的样品溶液后，测量纳米材料制造的纸器件的颜色强度。说明了在纸基材中加入纳米材料（直接沉积、喷墨印刷、丝网印刷和蜡印刷）的优缺点。讨论了使用贵金属纳米粒子（Ag、Cu 和 Au）、半导体和碳量子点测定金属离子、阴离子、农药、生物分子和其他有毒化学物质的比色、荧光、磷光和化学发光传感机制. 因此，这篇综述文章对于科学家和研究人员设计比色传感器来监测临床、环境、食品和许多其他相关样品中的化学毒物非常有用。讨论了使用贵金属纳米粒子（Ag、Cu 和 Au）、半导体和碳量子点测定金属离子、阴离子、农药、生物分子和其他有毒化学物质的比色、荧光、磷光和化学发光传感机制. 因此，这篇综述文章对于科学家和研究人员设计比色传感器来监测临床、环境、食品和许多其他相关样品中的化学毒物非常有用。讨论了使用贵金属纳米粒子（Ag、Cu 和 Au）、半导体和碳量子点测定金属离子、阴离子、农药、生物分子和其他有毒化学物质的比色、荧光、磷光和化学发光传感机制. 因此，这篇综述文章对于科学家和研究人员设计比色传感器来监测临床、环境、食品和许多其他相关样品中的化学毒物非常有用。