Self-Standing and Flexible Silk Fibroin-Modified Graphene Oxide Membrane for Selective Hydrogen Permeation

Nur Laila Hamidah; Aynul S. Ahamd Fauzi; Ghina Kifayah Putri; Gregory Hope Soegiantoro; Paundra Rizky Pratama; Adi Darmawan; Camellia Panatarani; Eka C. Prima; Wei Xu; Takuro Niidome; Kazuto Hatakeyama; Armando T. Quitain; Tetsuya Kida

doi:10.1021/acsanm.5c04245

journal article·2025-10-31

Self-Standing and Flexible Silk Fibroin-Modified Graphene Oxide Membrane for Selective Hydrogen Permeation

Nur Laila Hamidah, Aynul S. Ahamd Fauzi, Ghina Kifayah Putri, Gregory Hope Soegiantoro, Paundra Rizky Pratama, Adi Darmawan, Camellia Panatarani, Eka C. Prima, Wei Xu, Takuro Niidome, Kazuto Hatakeyama, Armando T. Quitain, Tetsuya Kida

ACS Applied Nano Materials· Volume 8· Issue 43

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Source abstract

Abstract

Graphene oxide (GO) membranes have attracted considerable interest due to their oxygenated functional groups and their potential in hydrogen (H 2 ) separation applications. This work introduces a flexible and stable lamellar graphene oxide membrane combined with silk fibroin (SF) for hydrogen permeation performance. The intercalating of silk fibroin into GO nanosheet enhanced the interlayer distance of a membrane by 43%, promoting the uptake of a significant amount of water molecules that develop hydrogen bonds between SF and GO. GO-SF has an improved proton conductivity of 1.2 mS cm –1, similar to that of Nafion, and conserves stability up to 100 °C. Concentration cell experiments demonstrated that the SF-modified membrane displays as a pure proton conductor at ambient temperature and up to 60 °C. In addition, the diffusion of electrons occurs between the sp 2 carbon backbone of the GO layer and the hydrophobic site of SF, enabling the mixed proton and electron conductivity. The GO-SF membrane, covered with Pt/C on both the anode and cathode, efficiently allows for the permeation of hydrogen gas while preventing the migration of He and CO 2 . Our research findings demonstrate the significant potential of carbon-based membranes for hydrogen separation applications.

Source: openalex_inverted_index · Quality: baseline

Research context

Energy storage Nanomaterials

OpenAlex topics: MXene and MAX Phase Materials · Nanomaterials for catalytic reactions · Covalent Organic Framework Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Engineering Physics, Faculty of Industrial Technology and System Engineering

Institut Teknologi Sepuluh Nopember

School of Chemical Engineering

Universiti Sains Malaysia

Graduate School of Science and Technology (GSST)

Kumamoto University

Department of Chemistry

Diponegoro University

Department of Physics, Faculty of Mathematics and Natural Sciences

Padjadjaran University

Department of Science Education, Faculty of Mathematics and Science Education

Universitas Pendidikan Indonesia

Faculty of Advanced Science and Technology

Institute of Industrial Nanomaterials (IINa)

Center for International Education

International Research Organization for Advanced Science and Technology (IROAST)

Funding

Asian Development Bank · Kato Foundation for Promotion of Science · ENEOS Hydrogen Trust Fund · Japan Society for the Promotion of Science · Iwatani Naoji Foundation · Institute of Industrial Nanomaterials, Kumamoto University · Atsumaru Holdings inc. · International Research Organization for Advanced Science and Technology, Kumamoto University

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