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Fig. 6 | Nano Convergence

Fig. 6

From: Improving oxidation stability of 2D MXenes: synthesis, storage media, and conditions

Fig. 6

a Stability of colloidal d-Ti3C2Tx in different environments. b Time constants of colloidal d-Ti3C2Tx in different environments. c Photograph of Ti3C2Tx MXene dispersion stored statically (left) and by continuous stirring (right) after 20 days. d pH of Ti3C2Tx MXene aqueous dispersion as a function of time. e Atomic percentage of Ti(IV) obtained by X‐ray photoelectron spectroscopy for Ti3C2Tx. f Electrical conductivity of vacuum‐filtered films made from aged Ti3C2Tx MXene dispersions. g Photograph of as‐prepared MXene dispersions and the same dispersions on day 27 (from left to right: 7.7, 1, 0.1, 0.05, 0.005 mg mL−1). h, i Atomic percentage of Ti(IV) and electrical conductivity of Ti3C2Tx dispersions at different storage times, respectively. a, b Reproduced with permissions from ref. [41]. Copyright (2017), American Chemical Society. ci Reproduced with permissions from ref. [42]. Copyright (2020), Wiley–VCH

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