3D Printed Nanomaterial Sensor Platform for Compact Gas Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current sensor technologies face challenges in scalability, reproducibility, and integration of nanomaterial-based multifunctional sensors, leading to large, power-hungry, and fragile devices that struggle with gas detection due to mass interference and overlapping spectral signatures, making them unsuitable for commercial and space applications.
Innovation Solution
A lightweight, small, and low-power in situ multifunctional sensor platform is created by printing nanomaterial-based sensors and electronics directly on a chip using a 3-D micro- and nano-scale printing technique, integrating gas, temperature, and pressure sensors with on-chip heaters and wireless communication, enabling precise alignment and high-throughput production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate sensors and electronics are printed on different chips and interconnected, then device functionality is achieved, but device size, weight, and fragility increase
Solution Approach 1:
The patent combines multiple separate sensors (gas, temperature, pressure) and electronics onto a single chip substrate using printing techniques. This integration merges previously separate components into one unified device, reducing overall size and weight while maintaining full functionality. The sensors and electronic circuitries are co-printed on the same chip, eliminating the need for separate chips and interconnections.
Solution Approach 2:
The chip is designed as a multifunctional platform that simultaneously performs gas detection, temperature sensing, pressure sensing, and electronic processing. This universal chip replaces multiple specialized components, achieving versatility in a single integrated device that reduces overall system weight and complexity.
2Measurement precision
If nanomaterial-based sensors are used, then sensor sensitivity and miniaturization are improved, but scalability and manufacturing reproducibility deteriorate
Solution Approach 1:
The patent replaces traditional mechanical assembly and manual fabrication processes with printing-based manufacturing techniques. Sensors, electronics, and interconnections are all deposited using printing methods, enabling automated, scalable production while maintaining the sensitivity benefits of nanomaterials. This substitution of mechanical assembly with printing processes resolves the scalability issue.
Solution Approach 2:
The invention changes the manufacturing parameters from manual, low-volume processes to printing-based, high-volume processes. By adjusting printing parameters such as deposition rate, layer thickness, and patterning resolution, the system achieves both high sensor sensitivity through nanomaterials and high manufacturing productivity through scalable printing techniques.
3Adaptability or versatility
If mass spectrometry is used for gas detection, then gas identification capability is achieved, but device size, power consumption, and complexity increase
Solution Approach 1:
The patent extracts the gas detection function from complex mass spectrometry systems and implements it through simpler, printing-based nanomaterial sensors. These sensors directly detect specific gases (H2, H2S, CH4, NH3) without requiring the complex mass analysis infrastructure, thereby reducing device complexity while maintaining gas identification capability.
Solution Approach 2:
The invention employs simple, inexpensive nanomaterial-based gas sensors that can be mass-produced through printing, replacing expensive, complex, and fragile mass spectrometers. These simpler sensors provide sufficient performance for specific gas detection applications while dramatically reducing device complexity and cost.
4Productivity
If traditional printing methods are used, then sensor fabrication is achieved, but manufacturing resolution and alignment precision deteriorate
Solution Approach 1:
The patent replaces traditional mechanical alignment and positioning methods with printing-based patterning techniques. The printing process inherently provides precise spatial control of sensor and electronic features through programmed deposition patterns, achieving high alignment precision without complex mechanical alignment systems while maintaining high manufacturing throughput.
Data Source
AI summary
The present invention relates to a multi-functional platform, including: a printed circuit board (PCB) having a single chip integrated thereon; wherein the single chip includes a substrate having an environmental system disposed thereon, the environmental system including a plurality of three-dimensional (3D) printed, patterned and multi-layered nanostructures disposed on the substrate. The nanostructures include an on-chip heater, a power source, a wireless communication module, and a plurality of sensors, the sensors including at least one of a gas sensor, a pressure sensor, or a temperature sensor, each of which is directly deposited on the substrate and printed with a plurality of nanomaterials. The 3D patterned nanostructures use functionalized nanomaterials, which are patterned by a template using one of directed assembly or nano-offset printing, to deposit the nanostructures directly on the substrate of the single chip.