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Yang, Yang: Mass Transport Through Freestanding Carbon Nanomembranes. 2019
Inhalt
1.1 Membrane Separation
1.2 Molecular Transport Mechanisms
1.2.1 Solution-Diffusion Model
1.2.2 Molecular Sieving
1.2.3 Knudsen Diffusion
1.2.4 Poiseuille Flow
1.3 Transport Characteristics: Permeance and Selectivity
1.4. Recent Developments on Membrane Materials
1.4.1 Conventional Polymeric Membranes
1.4.2 Next-Generation Molecularly Selective Membranes
1.4.3 Carbon Nanomembranes (CNMs)
1.5 Motivation and Organization of the Thesis
Chapter 2
2.1 Fabrication of CNMs from SAMs
2.1.1 SAM Formation
2.1.2 Crosslinking of SAMs
2.2 Characterization of SAMs and CNMs
2.2.1 X-ray Photoelectron Spectroscopy (XPS)
2.2.2 Scanning Tunneling Microscopy (STM)
2.2.3 Atomic Force Microscopy (AFM)
2.2.4 Helium Ion Microscopy (HIM)
2.2.5 Electrochemical Impedance Spectroscopy (EIS)
Chapter 3
3.1 Fabrication of CNMs on Au(111)/Mica
3.1.1 CNMs from a New “Bulky” Precursor HPB Derivative 1
3.1.2 CNMs from an Established “Linear” Precursor TPT
3.2 Micrometer-Scale Freestanding CNMs on Si3N4/Si Chips
3.3 Summary
Chapter 4
4.1 Introduction
4.2 Mass Loss Methods
4.2.1 Basics and Setup
4.2.2 Control Measurements
4.2.3 Vapor Permeation Through TPT CNMs
4.3 Measurements in Vacuum System
4.3.1 Basics and Setup
4.3.2 Gas Permeation Through TPT CNMs
4.4 Understanding the Permeation Behavior
4.4.1 Structure of TPT SAMs and CNMs
4.4.2 Molecular Transport Mechanism Through TPT CNMs
4.5 Summary
Chapter 5
5.1 Introduction
5.2 Basics and Setup
5.3 Ion Conductance Measurements
5.3.1 Measurements Using DC Method
5.3.2 Measurements Using AC Method
5.4 Summary
Chapter 6
List of Figures
List of Tables
References
Acknowledgement