Dataset for DIAMOND AND 2D MATERIAL HETEROSTRUCTURES AS A PLATFORM FOR ROOM TEMPERATURE DETECTION OF GASES

Abstract Heterostructure composite sensors utilize different parameters, resulting in improved response, selectivity, and reproducibility compared to pure materials. Ensuring clean air is fundamental for upholding a favorable quality of life on Earth. Supporting that knowledge, we present here an advanced material platform for room temperature conductivity gas sensors based on H‑terminated nanocrystalline diamond (H‑NCD) films combined with a second gas-sensitive material, such as molybdenum disulfide (MoS2), reduced graphene oxide (rGO), thiol‑functionalized graphene oxide (SH-GO), or gold nanoparticles (Au NPs). This platform supports the knowledge of gas sensing technology. Most of these diamond-based heterostructures based on diamonds exhibited improved gas sensing parameters and demonstrated a significant electrical response to gases at room temperature. In particular, the combination of SH‑GO / H-NCD (two p-type materials) showed up to 630 % response for ethanol vapor. The synthesis of individual layers and measurement of sensor parameters are presented, and comparison and critical evaluation of responses.摘要：异质结构复合传感器通过采用差异化参数设计，相较于单一纯材料传感器，其响应性能、选择性与重现性均得到显著提升。保障空气洁净是维持地球优质生活品质的核心基础。基于上述认知，本文提出一种面向室温电导型气体传感器的先进材料平台：该平台以氢终端纳米晶金刚石（H‑terminated nanocrystalline diamond, H‑NCD）薄膜为基底，复合第二类气敏材料制备而成，所选用的第二类气敏材料包括二硫化钼（molybdenum disulfide, MoS₂）、还原氧化石墨烯（reduced graphene oxide, rGO）、巯基功能化氧化石墨烯（thiol‑functionalized graphene oxide, SH-GO）以及金纳米颗粒（gold nanoparticles, Au NPs）。该平台可为气体传感技术的研究提供有力支撑。绝大多数此类金刚石基异质结构均展现出更优异的气体传感性能参数，并在室温环境下对多种气体呈现出显著的电响应。其中，由两种p型半导体材料构成的SH-GO / H-NCD复合结构，对乙醇蒸气的传感响应最高可达630%。本文详细介绍了各单层材料的合成工艺与传感器参数的测试方法，并对各类传感响应进行了对比分析与批判性评估。