All Outputs (47)

Opto-electrochemical variation with gel polymer electrolytes in transparent electrochemical capacitors for ionotronics (2024)
Journal Article
Kumar, C., Sebastian, A. K., Markapudi, P. R., Beg, M., Sundaram, S., Hussain, A., & Manjakkal, L. (2024). Opto-electrochemical variation with gel polymer electrolytes in transparent electrochemical capacitors for ionotronics. Applied Physics Letters, 124(11), Article 111603. https://doi.org/10.1063/5.0190801

Advanced flexible ionotronic devices have found excellent applications in the next generation of electronic skin (e-skin) development for smart wearables, robotics, and prosthesis. In this work, we developed transparent ionotronic-based flexible elec... Read More about Opto-electrochemical variation with gel polymer electrolytes in transparent electrochemical capacitors for ionotronics.

Multifunctional flexible and stretchable electrochromic energy storage devices (2024)
Journal Article
Manjakkal, L., Pereira, L., Kumi Barimah, E., Grey, P., Franco, F. F., Lin, Z., …Hogg, R. A. (2024). Multifunctional flexible and stretchable electrochromic energy storage devices. Progress in Materials Science, 142, Article 101244. https://doi.org/10.1016/j.pmatsci.2024.101244

Electrochromic energy storage devices (EESDs) including electrochromic supercapacitors (ESC) and electrochromic batteries (ECB) have received significant recent attention in wearables, smart windows, and colour-changing sunglasses due to their multi-... Read More about Multifunctional flexible and stretchable electrochromic energy storage devices.

Paper Supercapacitor Developed Using a Manganese Dioxide/Carbon Black Composite and a Water Hyacinth Cellulose Nanofiber-Based Bilayer Separator (2023)
Journal Article
Beg, M., Alcock, K. M., Titus Mavelil, A., O’Rourke, D., Sun, D., Goh, K., …Yu, H. (2023). Paper Supercapacitor Developed Using a Manganese Dioxide/Carbon Black Composite and a Water Hyacinth Cellulose Nanofiber-Based Bilayer Separator. ACS applied materials & interfaces, 15(44), 51100-51109. https://doi.org/10.1021/acsami.3c11005

Flexible and green energy storage devices have a wide range of applications in prospective electronics and connected devices. In this study, a new eco-friendly bilayer separator and primary and secondary paper supercapacitors based on manganese dioxi... Read More about Paper Supercapacitor Developed Using a Manganese Dioxide/Carbon Black Composite and a Water Hyacinth Cellulose Nanofiber-Based Bilayer Separator.

A high-performance pH-sensitive electrode integrated with a multi-sensing probe for online water quality monitoring (2023)
Journal Article
Uppuluri, K., Szwagierczak, D., Fernandes, L., Zaraska, K., Lange, I., Synkiewicz-Musialska, B., & Manjakkal, L. (2023). A high-performance pH-sensitive electrode integrated with a multi-sensing probe for online water quality monitoring. Journal of Materials Chemistry C, 44, 15512-15520. https://doi.org/10.1039/d3tc02646a

Water quality monitoring is an essential tool in effective environmental and public health protection. This study presents a new screen-printed Co2O3–RuO2-based electrode for electrochemical pH sensing and its comprehensive morphological, composition... Read More about A high-performance pH-sensitive electrode integrated with a multi-sensing probe for online water quality monitoring.

Chemical synthesis of polyaniline and polythiophene electrodes with excellent performance in supercapacitors (2023)
Journal Article
Ramesh Peringath, A., Bayan, M. A., Beg, M., Jain, A., Pierini, F., Gadegaard, N., …Manjakkal, L. (2023). Chemical synthesis of polyaniline and polythiophene electrodes with excellent performance in supercapacitors. Journal of Energy Storage, 74(Part A), Article 108811. https://doi.org/10.1016/j.est.2023.108811

The emergence of portable electronics in miniaturized and intelligent devices demands high-performance supercapacitors (SC) and batteries as power sources. For the fabrication of such energy storage devices, conducting polymers (CPs) have significant... Read More about Chemical synthesis of polyaniline and polythiophene electrodes with excellent performance in supercapacitors.

Sensor system for precision agriculture smart watering can (2023)
Journal Article
Rabak, A., Uppuluri, K., Franco, F. F., Kumar, N., Georgiev, V. P., Gauchotte-Lindsay, C., …Manjakkal, L. (2023). Sensor system for precision agriculture smart watering can. Results in Engineering, 19, Article 101297. https://doi.org/10.1016/j.rineng.2023.101297

The expansion of precision agriculture technology from commercial agriculture to home gardening is highly important due to its economic and health benefits, delivered through a new way of crop production. Additionally, it offers physiological and psy... Read More about Sensor system for precision agriculture smart watering can.

Sustainable electrochemical energy storage devices using natural bast fibres (2023)
Journal Article
Manjakkal, L., Jain, A., Nandy, S., Goswami, S., Pereira, L., See, C. H., …Hogg, R. A. (2023). Sustainable electrochemical energy storage devices using natural bast fibres. Chemical Engineering Journal, 465, Article 142845. https://doi.org/10.1016/j.cej.2023.142845

Naturally abundant materials play a crucial role in the development of sustainable electrochemical energy storage (EES) devices including batteries and supercapacitors (SCs). This is due to limited available resources with regard to energy storage ma... Read More about Sustainable electrochemical energy storage devices using natural bast fibres.

Electrochemical and physicochemical degradability evaluation of printed flexible carbon electrodes in seawater (2022)
Journal Article
Franco, F. F., Dervin, S., & Manjakkal, L. (2022). Electrochemical and physicochemical degradability evaluation of printed flexible carbon electrodes in seawater. Journal of Electroanalytical Chemistry, 920, Article 116592. https://doi.org/10.1016/j.jelechem.2022.116592

The environmental impact of metals and non-degradable plastics in printed electrodes has highlighted the need of employing sustainable materials in environmental monitoring. In this work, we developed a new sustainable graphite-based paste (G-PE) pri... Read More about Electrochemical and physicochemical degradability evaluation of printed flexible carbon electrodes in seawater.

Cu2O-Based Electrochemical Biosensor for Non-Invasive and Portable Glucose Detection (2022)
Journal Article
Franco, F. F., Hogg, R. A., & Manjakkal, L. (2022). Cu2O-Based Electrochemical Biosensor for Non-Invasive and Portable Glucose Detection. Biosensors, 12(3), Article 174. https://doi.org/10.3390/bios12030174

Electrochemical voltammetric sensors are some of the most promising types of sensors for monitoring various physiological analytes due to their implementation as non-invasive and portable devices. Advantages in reduced analysis time, cost-effectivene... Read More about Cu2O-Based Electrochemical Biosensor for Non-Invasive and Portable Glucose Detection.

MnOx-Electrodeposited Fabric-Based Stretchable Supercapacitors with Intrinsic Strain Sensing (2021)
Journal Article
Pullanchiyodan, A., Manjakkal, L., Ntagios, M., & Dahiya, R. (2021). MnOx-Electrodeposited Fabric-Based Stretchable Supercapacitors with Intrinsic Strain Sensing. ACS applied materials & interfaces, 13(40), 47581-47592. https://doi.org/10.1021/acsami.1c12526

The increasing number of devices needed by wearable systems to bring radical advances in healthcare, robotics, and human–machine interfaces is a threat to their growth if the integration and energy-related challenges are not managed. A natural soluti... Read More about MnOx-Electrodeposited Fabric-Based Stretchable Supercapacitors with Intrinsic Strain Sensing.

Energy Autonomous Sweat‐Based Wearable Systems (2021)
Journal Article
Manjakkal, L., Yin, L., Nathan, A., Wang, J., & Dahiya, R. (2021). Energy Autonomous Sweat‐Based Wearable Systems. Advanced materials, 33(35), Article 2100899. https://doi.org/10.1002/adma.202100899

The continuous operation of wearable electronics demands reliable sources of energy, currently met through Li-ion batteries and various energy harvesters. These solutions are being used out of necessity despite potential safety issues and unsustainab... Read More about Energy Autonomous Sweat‐Based Wearable Systems.

Connected Sensors, Innovative Sensor Deployment, and Intelligent Data Analysis for Online Water Quality Monitoring (2021)
Journal Article
Manjakkal, L., Mitra, S., Petillot, Y. R., Shutler, J., Scott, E. M., Willander, M., & Dahiya, R. (2021). Connected Sensors, Innovative Sensor Deployment, and Intelligent Data Analysis for Online Water Quality Monitoring. IEEE Internet of Things, 8(18), 13805-13824. https://doi.org/10.1109/jiot.2021.3081772

The sensor technology for water quality monitoring (WQM) has improved during recent years. The cost-effective sensorised tools that can autonomously measure the essential physical-chemical-biological (PCB) variables are now readily available and are... Read More about Connected Sensors, Innovative Sensor Deployment, and Intelligent Data Analysis for Online Water Quality Monitoring.

Metal Coated Fabric Based Asymmetric Supercapacitor for Wearable Applications (2021)
Journal Article
Pullanchiyodan, A., Manjakkal, L., & Dahiya, R. (2021). Metal Coated Fabric Based Asymmetric Supercapacitor for Wearable Applications. IEEE Sensors Journal, 21(23), 26208-26214. https://doi.org/10.1109/jsen.2021.3058894

This paper presents a fabric based asymmetric supercapacitor (ASC) with metal coated cloths as the electrode and the current collector. Graphite paste printed on silver coated textile (Berlin) is used as the negative electrode and nickel/copper/silve... Read More about Metal Coated Fabric Based Asymmetric Supercapacitor for Wearable Applications.

Natural Jute Fibre‐Based Supercapacitors and Sensors for Eco‐Friendly Energy Autonomous Systems (2021)
Journal Article
Manjakkal, L., Franco, F. F., Pullanchiyodan, A., González‐Jiménez, M., & Dahiya, R. (2021). Natural Jute Fibre‐Based Supercapacitors and Sensors for Eco‐Friendly Energy Autonomous Systems. Advanced Sustainable Systems, 5(3), Article 2000286. https://doi.org/10.1002/adsu.202000286

Environmentally friendly energy devices and systems are of increasing interest for the circular economy and sustainable information and communications technology. To this end, an energy-autonomous system comprised of natural jute fiber-based supercap... Read More about Natural Jute Fibre‐Based Supercapacitors and Sensors for Eco‐Friendly Energy Autonomous Systems.

Ultrathin Ion-Sensitive Field-Effect Transistor Chips with Bending-Induced Performance Enhancement (2020)
Journal Article
Vilouras, A., Christou, A., Manjakkal, L., & Dahiya, R. (2020). Ultrathin Ion-Sensitive Field-Effect Transistor Chips with Bending-Induced Performance Enhancement. ACS Applied Electronic Materials, 2(8), 2601-2610. https://doi.org/10.1021/acsaelm.0c00489

Flexible multifunctional sensors on skin or wearables are considered highly suitable for next-generation noninvasive health care devices. In this regard, the field-effect transistor (FET)-based chemical sensors such as ion-sensitive FETs (ISFETs) are... Read More about Ultrathin Ion-Sensitive Field-Effect Transistor Chips with Bending-Induced Performance Enhancement.

A Wearable Supercapacitor Based on Conductive PEDOT:PSS‐Coated Cloth and a Sweat Electrolyte (2020)
Journal Article
Manjakkal, L., Pullanchiyodan, A., Yogeswaran, N., Hosseini, E. S., & Dahiya, R. (2020). A Wearable Supercapacitor Based on Conductive PEDOT:PSS‐Coated Cloth and a Sweat Electrolyte. Advanced materials, 32(24), Article 1907254. https://doi.org/10.1002/adma.201907254

A sweat-based flexible supercapacitor (SC) for self-powered smart textiles and wearable systems is presented. The developed SC uses sweat as the electrolyte and poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) as the active electro... Read More about A Wearable Supercapacitor Based on Conductive PEDOT:PSS‐Coated Cloth and a Sweat Electrolyte.

Metal Coated Conductive Fabrics with Graphite Electrodes and Biocompatible Gel Electrolyte for Wearable Supercapacitors (2020)
Journal Article
Pullanchiyodan, A., Manjakkal, L., Dervin, S., Shakthivel, D., & Dahiya, R. (2020). Metal Coated Conductive Fabrics with Graphite Electrodes and Biocompatible Gel Electrolyte for Wearable Supercapacitors. Advanced Materials Technologies, 5(5), Article 1901107. https://doi.org/10.1002/admt.201901107

Fabric-based supercapacitors have received considerable interest as energy storage devices for wearable systems. This work demonstrates the use of metal coated fabrics as the active material and current collector with nontoxic polyvinyl alcohol (PVA)... Read More about Metal Coated Conductive Fabrics with Graphite Electrodes and Biocompatible Gel Electrolyte for Wearable Supercapacitors.

Flexible potentiometric pH sensors for wearable systems (2020)
Journal Article
Manjakkal, L., Dervin, S., & Dahiya, R. (2020). Flexible potentiometric pH sensors for wearable systems. RSC Advances, 10(15), 8594-8617. https://doi.org/10.1039/d0ra00016g

There is a growing demand for developing wearable sensors that can non-invasively detect the signs of chronic diseases early on to possibly enable self-health management. Among these the flexible and stretchable electrochemical pH sensors are particu... Read More about Flexible potentiometric pH sensors for wearable systems.

Flexible Iridium Oxide Based pH Sensor Integrated With Inductively Coupled Wireless Transmission System for Wearable Applications (2020)
Journal Article
Marsh, P., Manjakkal, L., Yang, X., Huerta, M., Le, T., Thiel, L., …Dahiya, R. (2020). Flexible Iridium Oxide Based pH Sensor Integrated With Inductively Coupled Wireless Transmission System for Wearable Applications. IEEE Sensors Journal, 20(10), 5130-5138. https://doi.org/10.1109/jsen.2020.2970926

This work presents a pH sensor platform combining the high performance of iridium oxide (IrOx) fabricated by cyclic voltammetry with inductively-coupled wireless (ICW) transmission. Data included presents flexible potentiometric pH sensors having IrO... Read More about Flexible Iridium Oxide Based pH Sensor Integrated With Inductively Coupled Wireless Transmission System for Wearable Applications.

Metal oxides based electrochemical pH sensors: Current progress and future perspectives (2019)
Journal Article
Manjakkal, L., Szwagierczak, D., & Dahiya, R. (2020). Metal oxides based electrochemical pH sensors: Current progress and future perspectives. Progress in Materials Science, 109, Article 100635. https://doi.org/10.1016/j.pmatsci.2019.100635

Electrochemical pH sensors are on high demand in numerous applications such as food processing, health monitoring, agriculture and nuclear sectors, and water quality monitoring etc., owing to their fast response (