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Updated: Nov 7, 2025

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

Published on: January 10, 2017

Highly Efficient All-Polymer Solar Cells Processed from Nonhalogenated Solvents.

Zuojia Li¹, Kui Feng², Jingwei Wang¹

¹Jiangxi Province Key Laboratory of Polymer Micro/Nano Manufacturing and Devices, School of Chemistry, Biology and Materials Science, East China University of Technology, Nanchang, Jiangxi, 330013, P. R. China.

|April 29, 2021

Summary

Eco-friendly all-polymer solar cells (all-PSCs) were developed using novel polymer acceptors and donors processed with safer solvents. This approach achieved high power conversion efficiencies, demonstrating a viable path for sustainable all-PSCs.

Keywords:

all-polymer solar cells nonhalogenated solvents photovoltaics polymer acceptors power conversion efficiency

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Last Updated: Nov 7, 2025

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

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Printing Fabrication of Bulk Heterojunction Solar Cells and In Situ Morphology Characterization

Printing Fabrication of Bulk Heterojunction Solar Cells and In Situ Morphology Characterization

Published on: January 29, 2017

Area of Science:

Materials Science
Organic Electronics
Renewable Energy

Background:

All-polymer solar cells (all-PSCs) have advanced significantly due to polymer acceptor innovations.
High-performance all-PSCs often rely on halogenated solvents, posing environmental and health risks.

Purpose of the Study:

To develop eco-friendly, solvent-processed all-PSCs using novel polymer donor and acceptor materials.
To demonstrate the effectiveness of using a narrow-bandgap polymer acceptor with a compatible polymer donor for sustainable all-PSCs.

Main Methods:

Fabrication of all-PSCs using a wide-bandgap polymer donor (PSTZ) and a narrow-bandgap polymer acceptor (DCNBT-IDT).
Processing the solar cells using eco-friendly solvents like o-xylene and THF.
Characterization of device performance, including power conversion efficiency (PCE) and short-circuit current (Jsc).

Main Results:

The PSTZ:DCNBT-IDT based all-PSCs achieved PCEs of 7.23% and 8.77% when processed with o-xylene and THF, respectively.
High short-circuit currents of 12.94 mA cm⁻² and 14.12 mA cm⁻² were recorded for the respective devices.
The study highlights the successful use of a narrow polymer acceptor and compatible polymer donor in eco-friendly processed all-PSCs.

Conclusions:

Utilizing an all-polymer blend with a narrow polymer acceptor and a compatible polymer donor is an effective strategy for advancing eco-friendly solvent-processed all-PSCs.
The developed eco-friendly solvent-processed all-PSCs show promising performance, paving the way for more sustainable solar cell technologies.