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Spring 2024


Solar Energy Research Group members Jonathan Turnley and Prof. Rakesh Agrawal’s Feature Article “Solution processed metal chalcogenide semiconductors for inorganic thin film photovoltaics” was published in RSC Chemical Communications.

Solar Energy Research Group member Shriya Khandelwal was awarded the Undergraduate Research Award. Congratulations, Shriya.

Solar Energy Research Group member Jonathan Turnley was awarded College of Engineering Outstanding Research Award. Congratulations Jonathan!

In collaboration with Prof. Edgardo Saucedo’s group at UPC Spain, Solar Energy Research Group members Jonathan W. Turnley, and Prof. Rakesh Agrawal’s manuscript “Novel synthesis of semiconductor chalcohalide anti-perovskites by low-temperature molecular precursor ink deposition methodologies” was published in Journal of Materials Chemistry C.

Solar Energy Research Group members Daniel C. Hayes, Samantha A. Langdon, Robert M. Spilker, and Prof. Rakesh Agrawal’s manuscript “Carbon Impurity Minimization of Solution-Processed, Thin-Film Photovoltaics via Ligand Engineering of CuInS2 Nanoparticles” was published in ACS Applied Energy Materials.

Fall 2023


In collaboration with Prof. Lydia Wong’s group at NTU Singapore, Solar Energy Research Group members Ryan Swope, and Prof. Rakesh Agrawal’s manuscript “Efficiency enhancement and doping type inversion in Cu2CdSnS4 solar cells by Ag substitution” was published in Journal of Materials Chemistry A.

Solar Energy Research Group members Shubhanshu Agarwal, Kyle Weideman, David Rokke, Kiruba Catherine Vincent, and Prof. Rakesh Agrawal’s manuscript “Enhancing the optoelectronic properties of solution-processed AgInSe2 thin films for application in photovoltaics” was published in Journal of Materials Chemistry C.

Solar Energy Research Group members Jonathan Turnley, Swapnil Deshmukh, Ryan Ellis, and Prof. Rakesh Agrawal’s manuscript “Molecular Precursor Approach to Sulfur-Free CuInSe2: Replacing Thiol Coordination in Soluble Metal Complexes” was published in ACS Omega.

Solar Energy Research Group member Jonathan Turnley was awarded 2nd place for his presentation at the AICHE Electronic and Photonic Materials: Graduate Student Awards session. Congratulations Jonathan!

Solar Energy Research Group members Apurva Pradhan, Scott McClary, Kyle Weideman, Shriya Khandelwal, Joseph Andler, David Rokke, and Prof. Rakesh Agrawal’s manuscript “Tuning the optoelectronic properties of enargite (Cu3AsS4) solar cells by Ag alloying: A DFT-informed synthesis” was published in Applied Physics Letters.

Solar Energy Research Group members Jonathan Turnley, Swapnil Deshmukh, Robert Spilker, and Prof. Rakesh Agrawal’s manuscript “A selenium-based “alkahest”: reactive dissolutions of metals and metal compounds with n-alkylammonium polyselenide solutions” was published in Inorganic Chemistry Frontiers.

Solar Energy Research Group members Shubhanshu Agarwal, Jonathan Turnley, Apurva Pradhan, and Prof. Rakesh Agrawal’s manuscript “Moderate Temperature Sulfurization and Selenization of Highly Stable Metal Oxides: An Opportunity for Chalcogenide Perovskite” was published in Journal of Materials Chemistry C.

Spring 2023


Separations Research Group Members Tony Mathew, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Relaxing the constant molar overflow assumption in distillation optimization” was published in AIChE Journal.

Solar Energy Research Group member Isabel Panicker was awarded 1st place in the Purdue AICHE undergraduate poster competition. Congratulations, Isabel!

After graduation, Solar Energy Research Group undergraduate Isabel Panicker will be going to Georgia Tech to get a PhD in chemical engineering. Congrats, Isabel!

After graduation, Solar Energy Research Group undergraduate Kevin Ng will be joining Parker Hannifin in their Engineering Leadership Development Program. Congrats, Kevin!

Solar Energy Research Group undergraduate Lily Whitmoyer has accepted a summer internship position with Washington River Protection Solutions. Congrats, Lily!

Solar Energy Research Group members Apurva Pradhan and Kiruba Catherine Vincent presented at the 2023 MRS Spring Meeting and Exhibit in San Francisco, California.

Solar Energy Research Group member Jonathan Turnley presented at the ACS Spring 2023 meeting in Indianapolis, Indiana.

Solar Energy Research Group member Jonathan Turnley presented at the 2023 Gordon Research Conference on Nanomaterials for Applications in Energy Technology in Ventura, California.

The Purdue OTC announced in their March update that Prof. Rakesh Agrawal, Zewei Chen, and Peter Oladipupo received a patent titled “Electrically Heated Dehydrogenation Process“.

Solar Energy Research Group members Apurva Pradhan, Shubhanshu Agarwal, Jonathan Turnley, Shriya Khandelwal, Ryan Swope, and Prof. Rakesh Agrawal’s manuscript “Synthesis of BaZrS3 and BaHfS3 Chalcogenide Perovskite Films Using Single-Phase Molecular Precursors at Moderate Temperatures” was published in Angewandte Chemie International Edition.

Solar Energy Research Group members Kiruba Catherine Vincent, Shubhanshu Agarwal, Jonathan Turnley, and Prof. Rakesh Agrawal’s manuscript “Liquid Flux-Assisted Mechanism for Modest Temperature Synthesis of Large-Grain BaZrS3 and BaHfS3 Chalcogenide Perovskites” was published in Advanced Energy & Sustainability Research.

Fall 2022


In collaboration with ExxonMobil’s Research Group, Separations Research Group Members Tony Mathew, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Advances in distillation: Significant reductions in energy consumption and carbon dioxide emissions for crude oil separation” was published in Joule.

Separations Research Group Members Zheyu Jiang, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Minimum reflux calculation for multicomponent distillation in multi-feed, multi-product columns: Mathematical model” was published in AIChE Journal.

Solar Energy Research Group member Jonathan Turnley presented at the 2022 MRS Fall Meeting and Exhibit in Boston, Massachusetts.

Solar Energy Research Group members Jonathan Turnley, Apurva Pradhan, Daniel Hayes, and Shubhanshu Agarwal presented at the 2022 AIChE Annual Meeting in Phoenix, Arizona.

Solar Energy Research Group members Jonathan Turnley, Kiruba Catherine Vincent, Apurva Pradhan, Isabel Panicker, Ryan Swope, and Prof. Rakesh Agrawal’s manuscript “Solution Deposition for Chalcogenide Perovskites: A Low-Temperature Route to BaMS3 Materials (M = Ti, Zr, Hf)” was published in Journal of the American Chemical Society.

Separations Research Group Members Akash Sanjay Nogaja, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Identifying Heat-Integrated Energy-Efficient Multicomponent Distillation Configurations” was published in I&EC Research Journal.

Separations Research Group Members Radhakrishna Tumbalam Gooty, Prof. Rakesh Agrawal, and Prof. Mohit Tawarmalani’s manuscript “Advances in MINLP to Identify Energy-Efficient Distillation Configurations” was published in Operations Research Journal.

Summer 2022


Separations Research Group Members Jose Adrian Chavez Velasco, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Which separation scenarios are advantageous for membranes or distillations?” was published in AIChE Journal.

Solar Energy Research Group member Kevin Ng was awarded the Best Presentation Award at the Purdue Summer Undergraduate Research Symposium. Congratulations Kevin!

Separations Research Group member Tony Mathew won the 2022 Graduate Student Research Award of the Distillation and Absorption Area of AIChE Separations Division. Congratulations Tony!

Spring 2022


Solar Energy Research Group member Apurva Pradhan was awarded the 2022 ChE Excellence in Safety award. Congratulations Apurva!

Solar Energy Research Group member Isabel Panicker’s poster received 2nd place in the College of Engineering at Purdue’s 2022 Spring Undergraduate Research Conference. Congratulations Isabel!

Solar Energy Research Group member David Rokke successfully defended his thesis and has accepted a position at Applied Materials. Congratulations David!

Solar Energy Research Group members David Rokke, Essam Alruqobah, and Prof. Rakesh Agrawal’s review article “Extrinsic Doping of Ink-Based Cu(In,Ga)(S,Se)2-Absorbers for Photovoltaic Applications” was published in Advanced Energy Materials.

Solar Energy Research Group members Swapnil Deshmukh, Caleb Miskin, Apurva Pradhan, and Prof. Rakesh Agrawal’s manuscript “Solution Processed Fabrication of Se-Te Alloy Thin Films for Application in PV Devices” was published in ACS Applied Energy Materials.

Solar Energy Research Group members Swapnil Deshmukh, Kyle Weideman, Ryan Ellis, and Prof. Rakesh Agrawal’s manuscript “Enabling fine-grain free 2-micron thick CISe/CIGSe film fabrication via a non-hydrazine based solution processing route” was published in Materials Advances.

Solar Energy Research Group members Joseph Andler, Xianyi Hu, Scott McClary, and Prof. Rakesh Agrawal’s manuscript “Analysis of enargite thin films synthesized from carbon-containing and novel carbon-free processing methods” was published in Materials Science in Semiconductor Processing.

Fall 2021


Solar Energy Research Group members Ryan Ellis, Swapnil Deshmukh, Jonathan Turnley, Dwi Sutandar, Jacob Fields, and Prof. Rakesh Agrawal’s manuscript “Direct Synthesis of Sulfide-Capped Nanoparticles for Carbon-Free Solution-Processed Photovoltaics” was published in ACS Applied Nano Materials.

Energy System Group Members Zewei Chen, Yiru Li, Wasiu Peter Oladipupo, Edwin Rodriguez, Gary Sawyer, and Prof. Rakesh Agrawal’s manuscript “Alternative ordering of process hierarchy for more efficient and cost-effective valorization of shale resources” was published in Cell Reports Physical Science.

Energy System Group Undergraduate Researcher Arsh Bhatia received OUR scholarship for 2021-2022 academic year. Congratulations Arsh!


Summer 2021


Separations Research Group Members Jose Adrian Chavez Velasco, Zewei Chen, Radhakrishna Tumbalam Gooty, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Energy-efficient membrane cascades for industrial separations” was published in Computer Aided Chemical Engineering.

Separations Research Group Members Tony Joseph Mathew, Radhakrishna Tumbalam Gooty, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “A Simple Criterion for Feasibility of Heat Integration between Distillation Streams Based on Relative Volatilities” was published in Industrial & Engineering Chemistry Research.

Separations Research Group Members Jose Adrian Chavez Velasco, Radhakrishna Tumbalam Gooty, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Optimal design of membrane cascades for gaseous and liquid mixtures via MINLP” was published in Journal of Membrane Science.

Separations Research Group member Tony Joseph Mathew successfully defended his thesis. Congratulations Tony!

Separations Research Group Members Radhakrishna Tumbalam Gooty, Jose Adrian Chavez Velasco, and Prof. Rakesh Agrawal’s manuscript “Methods to Assess Numerous Distillation Schemes for Binary Mixtures” was published in Chemical Engineering Research and Design.


Spring 2021


Tony Joseph Mathew and Zewei Chen both gave oral presentations at the 2021 AIChE Spring Meeting

Solar Energy Research Group member Swapnil Dattatray Deshmukh received the Outstanding Research Award 2021 from the College of Engineering. Congratulations, Swapnil!

Separations Research Group Member Jose Adrian Chavez Velasco, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Systematic Analysis Reveals Thermal Separations Are Not Necessarily Most Energy Intensive” was published in Joule.


Fall 2020


Energy Systems Research Group member Zewei Chen received the Bill Murray Fellowship for 2020-21 academic year. Congratulations Zewei!


Separations Research Group members Tony Joseph Mathew, Radhakrishna Tumbalam Gooty, Prof. Mohit Tawarmalani, and Prof. Rakesh Agrawal’s manuscript “Quickly Assess Distillation Columns” was published in Chemical Engineering Progress.


Solar Energy Research Group member Swapnil Deshmukh won the Second Place Award in the 2020 AIChE Graduate Student Award Competition in the Inorganic Chemistry Area. Congratulations Swapnil!


Separations Research Group member Radhakrishna Tumbalam Gooty successfully defended his thesis. Congratulations Radhakrishna!


Summer 2020


Tony Joseph Mathew received first place for his Oral Presentation in the Energy and Process Intensification & Biotechnology category, and won the Best Overall award, at the 29th Annual Symposium organized by Chemical Engineering Graduate Student Organization. Congratulations, Tony!


David Rokke received first place for his Oral Presentation in the Material Science category at the 29th Annual Symposium organized by Chemical Engineering Graduate Student Organization. Congratulations, David!


Solar Energy Research Group members David Rokke and Swapnil Deshmukh’s submissions to the 2020 Annual AIChE conference are accepted for an oral presentation and two Graduate Student Award Oral Presentations respectively.



 

Separations

Graduate Students

Alumni


Graduate Students

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Akash Sanjay Nogaja

Research Interests

Modelling the search space and finding the minimum energy consuming configurations for separation of multi-component multi-feed systems, thermally integrated systems and hybrid systems (containing membrane and distillation units).

Educational Background

2016 – 2020, B.Tech in Chemical Engineering, Institute of Chemical Technology, Mumbai, India.

Contact Information

anogaja(at)purdue(dot)edu

 

 

Priyanshu Singh

Research Interests

Exploring the electrification of separation processes, specific emphasis on finding different ways to implement heat pump on distillation system to minimize the energy consumption.

Educational Background

2019 – 2023, B.Tech. in Chemical Engineering, Institute of Chemical Technology, Mumbai, India.

Contact Information

sing1212(at)purdue(dot)edu

Top

Alumni

 

 

Dr. Tony Joseph Mathew

Dr. Mathew joined the group as a graduate student in Fall 2016. He developed novel methods to account for varying relative volatilities and unequal latent heats during modelling, and a computationally cheaper manner of checking feasibility of heat integrations during optimization, in order to identify heat-integrated energy-efficient configurations for multicomponent separation by distillation. He also developed tighter recovery relations in distillation. He successfully defended his Ph.D. thesis in Summer 2021.

Thesis Title: Advances in Modelling and Optimization of Multicomponent Distillation Configurations

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Krishna 

 

Dr. Radhakrishna Tumbalam Gooty

Dr. Tumbalam Gooty joined the group as a graduate student in Fall 2015. He formulated novel Mixed Integer Nonlinear Programs (MINLPs) for identifying energetically and exergetically efficient distillation configurations. Several instances of the MINLP remain beyond the scope of the state-of-the-art global solvers, so he developed novel reformulation and discretization based solution procedure to solve the MINLP to the desired optimality gap. He successfully defended his Ph.D. thesis in Fall 2020.

Thesis Title: Advances in MINLP for Optimal Distillation Column Sequencing

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Dr. Jose Adrian Chavez Velasco

Dr. Chavez Velasco joined the group as a graduate student in Fall 2016. He worked on the comparison of different separation technologies such as distillation and membranes, developing a framework for general application. He also worked on the comparison of different modes of distillation, such as heat-supplied, heat-pumped, and usages of intermediate reboiler/condenser. He developed an optimization model for determining the minimum work required by a membrane cascade for the separation of binary liquid and gas mixtures. He successfully defended his Ph.D. thesis in Summer 2020.

Thesis Title: Comprehensive Study of the Energy Consumption of Membranes and Distillation

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Dr. Zheyu Jiang

Dr. Jiang joined the group as a graduate student in Spring 2015. He developed new methods and algorithms to synthesize and optimize multi-component distillation systems. In particular, he developed nonlinear programming based global optimization algorithms for multi-component distillation configurations to minimize their total costs and to maximize their thermodynamic efficiency. He also developed the first shortcut based method to accurately calculate the minimum reflux ratio required for multifeed multiproduct columns. He successfully defended his Ph.D. thesis in Fall 2018.

Thesis Title: Multicomponent Distillation – Mathematical Modeling, Global Optimization, And Process Intensification

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Dr. Parham Mobed

Dr. Parham Mobed joined the group as a post doctoral research associate in Fall 2016. His work focused on developing methods and algorithms for optimizing multicomponent distillation configurations by formulating nonlinear programming problems and solving them to global optimum. The developed programs have been consolidated into a user-friendly interface that can be used by industrial practitioners. He also worked on the control of Dividing Wall Column configurations. He graduated from the group in Spring 2018. Currently, he is working at AspenTech

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Gautham Madenoor Ramapriya

Dr. Gautham Madenoor Ramapriya

Dr. Gautham Madenoor Ramapriya joined the group as a graduate student in Fall 2011. He successfully defended his Ph.D. thesis in Fall 2016. He is currently a post doctoral research associate at University of Wisconsin, Madison.

Thesis Title: Low-Cost and Energy-Efficient Solutions for Multicomponent Distillation

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Josh

Dr. Joshua Huff

Dr. Joshua Huff joined the group as a graduate student in Spring 2010. His research focused on applying principles of membrane design and optimization to determine the optimal membrane cascade arrangement for multicomponent separations, as well as using principles of exergy and cost analysis to identify attractive distillation configurations. He successfully defended his Ph.D. thesis in Fall 2014.

Thesis Title: Tools for Efficient Design of Multicomponent Separation Processes

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Haibo

Dr. Haibo Zhang

Dr. Haibo Zhang joined the group as a post doctoral research associate in Spring 2012. His research area focused on capital cost modeling and a mixed-integer formulation for optimizing distillation configurations.

Anirudh

Dr. Anirudh Shenvi

Dr. Anirudh Shenvi joined the group as a graduate student in Fall 2007. Focusing on identifying useful heat integration approaches in distillation and synthesizing energy efficient multicomponent distillation sequences, he successfully defended his Ph.D. thesis in Spring 2012.

Thesis Title: Synthesis of Energy Efficient Distillation Configurations

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Nathan

Dr. Ulaganathan Nallasivam

Dr. Ulaganathan Nallasivam joined the group as a post doctoral research associate in Spring 2010. His research area focused on globally optimal configuration for multicomponent distillation sequences and energy network problems. He graduated from the group in 2011.

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Vishesh

Dr. Vishesh Shah

Dr. Vishesh Shah joined the group as a graduate student in Fall 2006. He developed a systematic mathematical framework to identify energy efficient multicomponent distillation sequences with a focus on thermally coupled distillation sequences. He successfully defended his Ph.D. thesis in Fall 2010.

Thesis Title: Energy Savings in Distillation Via Identification of Useful Configurations

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Rugved

Dr. Rugved Pathare

Dr. Rugved Pathare joined the group as a graduate student in Fall 2005. His research area focused on developing a framework for the design and optimization of membrane separation schemes. He successfully defended his Ph.D. thesis in Summer 2010.

Thesis Title: Design and Optimization of Binary Membrane-Based Separations

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Arun Giridhar

Dr. Arun Giridhar

Dr. Arun Giridhar joined the group as a graduate student in Fall 2005. He developed a method to solve the long-standing problem of synthesizing multicomponent distillation configurations with a focus on reducing the heat duty requirement. He successfully defended his Ph.D. thesis in Fall 2008 and is currently a post-doctoral researcher with the Engineering Research Center for Structured Organic Particulate Systems (ERC-SOPS) at Purdue University. He is working on real-time process control and informatics in particulate and pharmaceutical systems.

Thesis Title: Synthesis of Multicomponent Distillation Configurations

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