Research Topics
We explore innovative solutions across various fields, including sensors, health diagnostics, and energy technologies. Our research aims to push the boundaries of advanced materials and develop impactful technologies for a sustainable future.
Supercapacitor
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Solar Cell
PSC research focuses on the development and performance improvement of solar cells based on perovskite materials, a class of semiconductors with a unique crystal structure and high efficiency in converting sunlight into electricity.
What is Perovskite?
“Perovskite” refers to a crystal structure with the general formula ABX₃, where:
- A = organic cation (e.g., methylammonium (MA⁺), formamidinium (FA⁺))
- B = metal (e.g., Pb²⁺, Sn²⁺)
- X = halide anion (e.g., I⁻, Br⁻, Cl⁻)
Main Goals of PSC Research
- Improve power conversion efficiency (PCE)
- Enhance long-term stability against moisture, heat, and light
- Reduce toxicity by replacing Pb with non-toxic alternatives
- Lower production costs to compete with silicon
Research Focus in Perovskite Solar Cells
| Focus | Explanation |
|---|---|
| Perovskite Materials | Chemical composition modification for higher stability and efficiency |
| Electron/Hole Transport Layers (ETL/HTL) | Interface optimization for more efficient charge transfer |
| Fabrication Processes | One-step, two-step, spin coating, blade coating, etc. |
| Defect Passivation | Minimizing electron-hole recombination caused by crystal defects |
| Encapsulation | Protection from water and oxygen for longer device lifetime |
Water splitting
Berfokus pada pemecahan molekul air (H₂O) menjadi gas hidrogen (H₂) dan oksigen (O₂) menggunakan energi eksternal, biasanya dari cahaya matahari (fotokatalitik), listrik (elektrokatalitik), atau kombinasi keduanya.
| Jenis | Penjelasan Singkat | Contoh |
|---|---|---|
| Fotokatalitik | Menggunakan cahaya matahari dan semikonduktor untuk mengurai air. | TiO₂, perovskite |
| Elektrokatalitik | Menggunakan arus listrik dan katalis (biasanya logam transisi) | Elektroda Pt, NiFe |
| Fotoelektrokimia (PEC) | Kombinasi antara cahaya matahari dan listrik di dalam sel elektro kimia. | PEC dengan semikonduktor seperti BiVO₄, hematite |
Fokus Penelitian
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Material Katalis: Harus murah, stabil, dan efisien (contoh: Fe₂O₃, MoS₂, perovskite).
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Efisiensi Konversi Energi: Berapa banyak energi cahaya/listrik yang dikonversi menjadi H₂.
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Stabilitas Jangka Panjang: Material tidak boleh rusak atau korosif dalam waktu singkat.
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Biaya Produksi: Menurunkan harga agar bisa diterapkan secara komersial.
Bio Sensor
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